{"title":"Countersunk Screws","description":"","products":[{"product_id":"300pcs-black-cross-head-countersunk-screw-set","title":"300Pcs M2\/M2.5\/M3 Cross Head Countersunk Screw Black Set for Computers Notebooks","description":"\u003cdiv class=\"product-description\"\u003e\n\u003cdiv class=\"product-header\"\u003e\n\u003ch1 class=\"product-title\"\u003e🔩 300PCS Cross Head Countersunk Screw Assortment Kit\u003c\/h1\u003e\n\u003cp class=\"subtitle\"\u003eM2 \/ M2.5 \/ M3 Black Carbon Steel Screws | Perfect for Laptops, Electronics, Glasses \u0026amp; DIY Repairs\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Features Section --\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003e✨ Key Features of Cross Head Countersunk Screw Kit\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e✅ \u003cstrong\u003ePremium Black Carbon Steel\u003c\/strong\u003e – Grade 10.9 carbon steel ensures high strength, rust resistance, and long-lasting durability.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eProfessional Countersunk Flat Head\u003c\/strong\u003e – Phillips (cross head) countersunk design allows a flush fit for a clean, professional finish.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eComprehensive Assortment\u003c\/strong\u003e – Includes M2, M2.5, and M3 screws in multiple lengths (3–8mm), covering a wide range of repair needs.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eMulti-Purpose Utility\u003c\/strong\u003e – Perfect for laptops, glasses, watches, mobile phones, small electronics, and DIY projects.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eNeat Organizer Box\u003c\/strong\u003e – Comes with a sturdy transparent storage case, keeping all 300 screws sorted and portable.\u003c\/li\u003e\n\u003cli\u003e✅ \u003cstrong\u003eReliable Performance\u003c\/strong\u003e – Precision-machined threads ensure smooth installation and a secure fit every time.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Specifications --\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003e📋 Cross Head Countersunk Screw Specifications\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eHigh-Quality Carbon Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack Oxide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eCountersunk (Flat) Head\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003ePhillips (Cross Head)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Sizes\u003c\/th\u003e\n\u003ctd\u003eM2 \/ M2.5 \/ M3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLengths\u003c\/th\u003e\n\u003ctd\u003e3mm \/ 4mm \/ 5mm \/ 6mm \/ 8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003ctd\u003e10.9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTotal Quantity\u003c\/th\u003e\n\u003ctd\u003e300 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePackaging Size\u003c\/th\u003e\n\u003ctd\u003e24.3cm × 14.6cm × 2.1cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Package Includes --\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003e📦 Package Includes\u003c\/h2\u003e\n\u003ctable class=\"specs-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003e3mm\u003c\/td\u003e\n\u003ctd\u003e30 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003e4mm\u003c\/td\u003e\n\u003ctd\u003e30 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003ctd\u003e30 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2\u003c\/td\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003ctd\u003e30 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2.5\u003c\/td\u003e\n\u003ctd\u003e4mm\u003c\/td\u003e\n\u003ctd\u003e30 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2.5\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003ctd\u003e30 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2.5\u003c\/td\u003e\n\u003ctd\u003e6mm\u003c\/td\u003e\n\u003ctd\u003e30 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2.5\u003c\/td\u003e\n\u003ctd\u003e8mm\u003c\/td\u003e\n\u003ctd\u003e30 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e3mm\u003c\/td\u003e\n\u003ctd\u003e30 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e5mm\u003c\/td\u003e\n\u003ctd\u003e30 PCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"highlight\"\u003e🎁 Everything comes in a durable organizer box for quick access and convenience!\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ Section --\u003e\n\u003cdiv class=\"section\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What devices can I repair with this Cross Head Countersunk Screw kit?\u003c\/strong\u003e\u003cbr\u003eA1: These screws are perfect for laptops, glasses, watches, mobile phones, cameras, and other small electronics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Are these screws rust-resistant?\u003c\/strong\u003e\u003cbr\u003eA2: Yes! The black oxide finish provides resistance to rust and corrosion, ensuring long-lasting durability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Is the organizer box included?\u003c\/strong\u003e\u003cbr\u003eA3: Yes, the 300 screws are sorted in a durable plastic organizer box for easy storage and access.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n.product-description { font-family: Arial, sans-serif; color:#333; line-height:1.6; }\n.product-header { text-align:center; margin-bottom:20px; }\n.product-title { font-size:1.8rem; margin:0 0 10px; }\n.subtitle { color:#666; font-size:1rem; }\n.section { margin:25px 0; padding:15px; border-radius:8px; background:#fff; box-shadow:0 2px 8px rgba(0,0,0,0.08); }\n.section h2 { font-size:1.3rem; border-bottom:2px solid #ff9900; padding-bottom:6px; margin-bottom:15px; color:#2a6ac5; }\nul { padding-left:20px; }\nul li { margin-bottom:8px; }\n.specs-table { width:100%; border-collapse:collapse; margin:15px 0; }\n.specs-table th, .specs-table td { border:1px solid #ddd; padding:8px 10px; text-align:left; }\n.specs-table th { background:#2a6ac5; color:#fff; }\n.highlight { background:#fff9e6; padding:12px; border-left:4px solid #ff9900; margin-top:15px; }\n\u003c\/style\u003e","brand":"HomeDIYer","offers":[{"title":"Carbon Steel \/ 300PCS","offer_id":50998102196498,"sku":"UKC129","price":10.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/10_5_3c3b0fc9-e660-49bf-ad4f-c620efc691e5.jpg?v=1764927255"},{"product_id":"200pcs-aluminium-alloy-brown-to-black-screw-set","title":"200Pcs Aluminum Hex Socket Countersunk Screws \u0026 Washers Assortment Set – Brownish Orange to Glossy Black","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e200-Piece Aluminum Hex Socket Countersunk Screws \u0026amp; Washers Assortment — Brownish Orange to Glossy Black\u003c\/h2\u003e\n    \u003cp\u003eSourcing individual aluminum countersunk screws and matching washers across multiple sizes and finishes wastes time and leaves you short on the exact combination you need mid-build. This 200-piece aluminum alloy hex socket countersunk flat head screw and washer assortment set covers a range of metric sizes in a coordinated brownish-orange-to-glossy-black anodized finish progression, giving RC model builders, bicycle frame assemblers, computer case modders, and DIY precision build enthusiasts a ready-to-use, bold-finish fastener collection in a single organized kit.\u003c\/p\u003e\n    \u003cp\u003eEvery screw is machined from high-strength aluminum alloy with an anodized surface treatment for excellent corrosion resistance and rust prevention. The countersunk flat head profile sits flush with or below the material surface when installed, providing a clean, low-profile finish on panels, frames, and enclosures. The hex socket (Allen key) drive provides positive torque transfer without cam-out, making installation and removal clean and repeatable. Matching aluminum alloy washers are included to distribute clamping load and protect soft material surfaces. Weight: approximately 84g for the complete set.\u003c\/p\u003e\n    \u003cp\u003eThe full assortment spans a coordinated brownish-orange-to-glossy-black anodized finish range — from warm earthy orange and amber tones through deep brown to a clean, high-contrast glossy black — making it easy to achieve a bold, dark color scheme across your build or to color-code fastener zones for quick visual identification. All 200 pieces are packed in a durable, sturdy see-through storage box with clearly labeled compartments so you can quickly identify the size and finish you need without emptying the box.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e✅\u003c\/span\u003e\n    Aluminum alloy hex socket countersunk flat head screws with matching washers. Anodized finish in a coordinated brownish-orange-to-glossy-black finish range. 200 pieces total, packed in a labeled see-through storage box. Compatible with standard metric hex (Allen) keys. Suitable for RC models, aviation model toys, bicycle frames, computer case mods, and general DIY precision builds.\n  \u003c\/div\u003e\n\n  \u003cdiv\u003e\n    \u003ch2\u003e✅ Key Features of This Aluminum Countersunk Screw \u0026amp; Washer Assortment Set\u003c\/h2\u003e\n    \u003cul class=\"hdiy-features\"\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e200-Piece Assortment — Compact Size Coverage in One Kit:\u003c\/strong\u003e 200 pieces covering a range of metric hex socket countersunk screw sizes with matching washers, providing a focused fastener collection for RC model builds, bicycle frame assembly, computer case modding, and general DIY precision projects. A compact, purpose-built kit for builds that need a bold dark-to-black color scheme without the bulk of a larger assortment.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eCountersunk Flat Head Profile — Flush, Low-Profile Finish:\u003c\/strong\u003e The countersunk flat head profile sits flush with or below the material surface when installed in a countersunk hole, providing a clean, snag-free, low-profile finish on panels, frames, and enclosures. Ideal for applications where a protruding bolt head would interfere with adjacent components or spoil the appearance of the finished build.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eHex Socket (Allen Key) Drive — Positive Torque, No Cam-Out:\u003c\/strong\u003e The internal hex socket drive provides positive torque transfer and resists cam-out during installation and removal, making it easier to achieve consistent tightening torque without damaging the drive recess. Compatible with standard metric hex (Allen) keys.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eHigh-Strength Aluminum Alloy — Lightweight, Non-Magnetic, Corrosion Resistant:\u003c\/strong\u003e Machined from high-strength aluminum alloy with an anodized surface treatment for excellent corrosion resistance and rust prevention. Significantly lighter than steel fasteners and non-magnetic, making this set ideal for weight-sensitive and magnetically sensitive precision builds such as RC models, FPV drones, and computer assemblies.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eBrownish Orange to Glossy Black Finish Range — Bold, Dark Color Scheme:\u003c\/strong\u003e The coordinated brownish-orange-to-glossy-black anodized finish progression — spanning warm earthy orange, amber, deep brown, and a clean high-contrast glossy black — makes it easy to achieve a bold, dark color scheme across your build or to color-code fastener zones for quick visual identification. The anodized finish is integrated into the aluminum surface for a hard, color-fast layer that resists fading and chipping under normal use conditions.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🗃️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eLabeled See-Through Storage Box — Organized, Ready to Use:\u003c\/strong\u003e All 200 pieces are packed in a durable, sturdy see-through storage box with clearly labeled compartments. Quickly identify the size and finish you need without emptying the box. The storage box is designed to bear the weight of the complete set and keep your fastener collection organized between builds.\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-usecases\"\u003e\n    \u003ch2\u003e🎯 Who Is This For?\u003c\/h2\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🚁\u003c\/span\u003e\n      \u003cstrong\u003eRC Model, FPV Drone \u0026amp; Aviation Model Builders\u003c\/strong\u003e\n      \u003cp\u003eIdeal for RC model vehicle and FPV drone frame builds where a focused assortment of lightweight, bold-finish aluminum countersunk screws and washers provides flush-fitting, corrosion-resistant fastening in a dark brownish-orange-to-black color scheme across a range of metric sizes.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🚴\u003c\/span\u003e\n      \u003cstrong\u003eBicycle Frame \u0026amp; Sports Equipment Builders\u003c\/strong\u003e\n      \u003cp\u003eUsed in high-end aluminum alloy bicycle frame assembly and sports equipment builds where lightweight, anodized countersunk screws provide a flush, low-profile finish, with the brownish-orange-to-black finish range complementing dark frame color schemes and matte or gloss black component aesthetics.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🖥️\u003c\/span\u003e\n      \u003cstrong\u003eComputer Case Modders \u0026amp; Electronics Builders\u003c\/strong\u003e\n      \u003cp\u003ePerfect for computer case panel fastening and electronics enclosure assembly where flush-fitting aluminum countersunk screws provide a clean, low-profile finish, with the dark brownish-orange-to-glossy-black finish range complementing black case panels, dark anodized aluminum components, and stealth build aesthetics.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🔧\u003c\/span\u003e\n      \u003cstrong\u003eDIY Makers \u0026amp; Precision Build Enthusiasts\u003c\/strong\u003e\n      \u003cp\u003eSuitable for any DIY modification project, custom enclosure build, or precision assembly where a compact, organized assortment of lightweight, anodized aluminum countersunk screws and washers provides ready-to-use fastener coverage in a bold dark-to-black finish range.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum Alloy (Anodized)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eScrew Type\u003c\/th\u003e\n\u003ctd\u003eHex Socket Countersunk Flat Head (Allen drive, flush-fitting)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTotal Pieces\u003c\/th\u003e\n\u003ctd\u003e200 pieces (screws + washers)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish Range\u003c\/th\u003e\n\u003ctd\u003eBrownish Orange to Glossy Black (coordinated anodized finish progression)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Treatment\u003c\/th\u003e\n\u003ctd\u003eAnodizing (corrosion \u0026amp; oxidation resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003eHex socket (Allen key) — positive torque, no cam-out\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Profile\u003c\/th\u003e\n\u003ctd\u003eCountersunk flat head — flush or below-surface installation\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSet Weight\u003c\/th\u003e\n\u003ctd\u003eApproximately 84g\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eLabeled see-through storage box with compartments\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTypical Applications\u003c\/th\u003e\n\u003ctd\u003eRC models, FPV drones, aviation model toys, bicycle frames, computer case mods, golf club heads, mechanical equipment, DIY precision builds\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eHow many pieces are included and what sizes are in the set?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe set includes 200 pieces total, comprising aluminum alloy hex socket countersunk flat head screws and matching washers across a range of metric sizes. The coordinated brownish-orange-to-glossy-black finish range spans the full assortment. See the product images for the full size and quantity breakdown by compartment.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat Allen key size do I need to install these screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe required Allen key (hex key) size depends on the specific screw size. Standard metric hex socket countersunk screws use a hex key size that corresponds to the screw’s thread diameter — for example, M3 screws typically use a 2mm hex key, M4 screws typically use a 2.5mm hex key, and M5 screws typically use a 3mm hex key. Check the screw size label in the storage box and use the corresponding standard metric hex key.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these screws suitable for use in countersunk holes?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The countersunk flat head profile is designed to seat in a countersunk (chamfered) hole, allowing the screw head to sit flush with or below the material surface. For a flush finish, the countersink angle in the material should match the screw head angle — typically 90° for metric countersunk screws.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these screws lighter than steel countersunk screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Aluminum alloy is significantly lighter than steel — typically about one-third the weight for the same volume. These screws are also non-magnetic, making them suitable for applications where magnetic interference must be avoided, such as near sensitive electronics or sensors in RC models and drones.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWill the anodized finish fade or chip over time?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe anodized finish is integrated into the surface of the aluminum rather than applied as a paint or coating, making it generally more resistant to fading and chipping than painted alternatives under normal use conditions. Hard impacts or heavy abrasion may leave marks, as with any aluminum hardware.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these screws in outdoor applications?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe anodized aluminum alloy construction provides good corrosion resistance and rust prevention, making these screws suitable for many outdoor applications under normal weather conditions. For highly corrosive environments (salt spray, prolonged immersion), stainless steel fasteners are generally recommended instead.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the storage box like?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAll 200 pieces are packed in a durable, sturdy see-through storage box with clearly labeled compartments. The transparent lid allows you to quickly identify the size and finish you need without opening the box. The box is designed to bear the weight of the complete set and keep your fastener collection organized between builds.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e🛒 Add to cart to get all 200 pieces in one organized, labeled storage box.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51091336069394,"sku":"GBTST0084","price":32.59,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/1200psc_2.jpg?v=1762199827"},{"product_id":"200pcs-aluminum-alloy-countersunk-screws-washers-assortment-set-anodized-gold-burgundy","title":"200Pcs Aluminum Alloy Countersunk Screws \u0026 Washers Assortment Set – Allen Flat Head, Anodized Gold to Burgundy","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e200-Piece Aluminum Alloy Countersunk Screws \u0026amp; Washers Assortment Set — Allen Flat Head, Anodized Gold to Burgundy\u003c\/h2\u003e\n    \u003cp\u003eRunning out of the right screw size mid-project — or hunting through multiple bags to find a matching washer — wastes time and breaks workflow. This 200-piece aluminum alloy countersunk screw and washer assortment set gives you a ready-to-use selection of anodized flat head Allen screws and matching washers in a coordinated gold-to-burgundy color range, all organized in a clearly labeled see-through storage box.\u003c\/p\u003e\n    \u003cp\u003eEach screw is machined from high-strength aluminum alloy with an anodized surface treatment for excellent corrosion resistance and rust prevention. The flat countersunk head seats flush with or below the surface of the material for a clean, low-profile finish. The internal Allen (hex socket) drive allows precise torque application with a standard hex key. Washers are included to distribute clamping load and protect surface finishes. The full set spans a gold-to-burgundy anodized color range, making it ideal for color-coordinated precision builds.\u003c\/p\u003e\n    \u003cp\u003eThis countersunk screw and washer assortment is widely used in aerospace industry components, aviation and RC model toy accessories, high-end aluminum alloy bicycle frames, golf club heads, mechanical equipment, mold processing, computer accessories, and general DIY precision builds where a lightweight, corrosion-resistant, flush-mount fastener kit with organized storage is needed.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e✅\u003c\/span\u003e\n    Compatible with standard metric countersunk holes. Allen (hex socket) drive — standard hex key required. Anodized gold-to-burgundy color range. All screws and washers are aluminum alloy. See product label and packaging for exact size and quantity breakdown per size.\n  \u003c\/div\u003e\n\n  \u003cdiv\u003e\n    \u003ch2\u003e✅ Key Features of This 200-Piece Countersunk Screw \u0026amp; Washer Assortment\u003c\/h2\u003e\n    \u003cul class=\"hdiy-features\"\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eHigh-Strength Aluminum Alloy — Lightweight \u0026amp; Corrosion Resistant:\u003c\/strong\u003e All screws and washers are machined from high-strength aluminum alloy with an anodized surface treatment, providing excellent corrosion resistance and rust prevention for long-lasting durability in both indoor and outdoor precision build applications.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eFlat Countersunk Head — Flush-Mount, Low-Profile Finish:\u003c\/strong\u003e The tapered flat head seats into a countersunk hole, pulling the screw head flush with or below the surface of the material for a clean, aerodynamic, snag-free finish — ideal for panels, frames, and any assembly where a protruding head would interfere with adjacent components or surfaces.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e200-Piece Assortment with Matching Washers:\u003c\/strong\u003e The set includes a selection of countersunk screws across multiple sizes, paired with matching washers to distribute clamping load and protect surface finishes. Having a ready-to-use assortment on hand eliminates the need to order individual sizes for every project.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📳\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eConvenient See-Through Labeled Storage Box:\u003c\/strong\u003e All screws and washers are packed in a durable, sturdy see-through storage box with clearly labeled compartments so you can quickly identify the size you need without emptying the box. The organized storage system keeps your fastener collection tidy between projects.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eAnodized Gold-to-Burgundy Color Range:\u003c\/strong\u003e The coordinated gold-to-burgundy anodized color range allows color-matched or color-accented fastening across your build. The anodized finish is integrated into the aluminum surface for a hard, color-fast layer that resists fading and chipping under normal use conditions.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eAllen (Hex Socket) Drive for Precise Torque:\u003c\/strong\u003e The internal hex socket drive allows precise torque application with a standard Allen key, reducing the risk of cam-out and surface damage compared to Phillips or slotted drives — important in precision aluminum builds where thread stripping must be avoided.\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-list\"\u003e\n    \u003ch2\u003e📦 What’s in the Box\u003c\/h2\u003e\n    \u003cul\u003e\n      \u003cli\u003eAluminum alloy countersunk flat head Allen screws × assorted sizes (see label for exact size breakdown)\u003c\/li\u003e\n      \u003cli\u003eAluminum alloy washers × assorted sizes (matched to screw sizes)\u003c\/li\u003e\n      \u003cli\u003eSee-through labeled storage box × 1\u003c\/li\u003e\n      \u003cli\u003eTotal piece count: 200 pcs\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-usecases\"\u003e\n    \u003ch2\u003e🎯 Who Is This For?\u003c\/h2\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e✈️\u003c\/span\u003e\n      \u003cstrong\u003eRC \u0026amp; Aviation Model Builders\u003c\/strong\u003e\n      \u003cp\u003eKeep a ready-to-use assortment of lightweight aluminum countersunk screws and washers on hand for FPV frames, RC airplane builds, and aviation model accessories where multiple screw sizes are needed across a single build.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🚴\u003c\/span\u003e\n      \u003cstrong\u003eBicycle Frame \u0026amp; Sports Equipment Builders\u003c\/strong\u003e\n      \u003cp\u003eIdeal for high-end aluminum alloy bicycle frame assembly and golf club head builds where a selection of flush-mount countersunk screws and washers in a coordinated color range is needed for both structural performance and a clean, professional finish.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🔧\u003c\/span\u003e\n      \u003cstrong\u003eMechanical Equipment \u0026amp; Workshop Users\u003c\/strong\u003e\n      \u003cp\u003eSuitable for mechanical equipment assembly, mold processing, and computer accessories where having an organized assortment of aluminum countersunk screws and washers on hand reduces downtime and eliminates the need to order individual sizes for every job.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🎨\u003c\/span\u003e\n      \u003cstrong\u003eDIY Makers \u0026amp; Custom Builders\u003c\/strong\u003e\n      \u003cp\u003ePerfect for any DIY workshop, maker space, or custom build environment where a well-organized, color-coordinated countersunk screw and washer kit adds both practical utility and a clean, professional aesthetic to finished projects.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum Alloy (Anodized)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eCountersunk (Flat Head — flush-mount)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003eAllen (Hex Socket \/ Internal Hex)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColor Range\u003c\/th\u003e\n\u003ctd\u003eAnodized Gold to Burgundy\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTotal Piece Count\u003c\/th\u003e\n\u003ctd\u003e200 pcs (screws + washers)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSize Breakdown\u003c\/th\u003e\n\u003ctd\u003eSee product label and packaging for exact size and quantity per size\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Treatment\u003c\/th\u003e\n\u003ctd\u003eAnodizing\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eSee-through labeled storage box included\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTypical Applications\u003c\/th\u003e\n\u003ctd\u003eAerospace models, RC toys, bicycle frames, golf club heads, mechanical equipment, mold processing, computer accessories, DIY precision builds\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat sizes are included in this 200-piece assortment?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe exact size and quantity breakdown per size is printed on the product label and packaging. Please refer to the label on the storage box for the complete size breakdown included in this assortment.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre the washers aluminum alloy as well?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Both the countersunk screws and the washers in this set are made from aluminum alloy with an anodized surface treatment, consistent with the gold-to-burgundy color range of the full set.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat drive type do these screws use?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese screws use an Allen (hex socket \/ internal hex) drive. A standard hex key (Allen key) in the appropriate size for each screw is required for installation.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need to pre-drill a countersunk hole?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Countersunk screws require a matching countersunk (chamfered) hole in the material to allow the tapered flat head to seat flush with the surface. A countersink drill bit at the appropriate angle (typically 90°) is used to create the countersunk recess before installing the screw.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eIs the storage box reusable?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The see-through storage box is durable and sturdy, designed to be reused for ongoing storage of the screws and washers between projects. The clearly labeled compartments make it easy to identify and access the size you need without emptying the box.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these screws lighter than steel countersunk screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Aluminum alloy is significantly lighter than steel — typically about one-third the weight for the same volume. This makes these screws well-suited for weight-sensitive applications such as RC models, aviation accessories, and bicycle frames.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWill the anodized color fade or chip over time?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe anodized finish is integrated into the surface of the aluminum rather than applied as a paint or coating, making it generally more resistant to fading and chipping than painted alternatives under normal use conditions.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e🛒 Add to cart to get your 200-piece aluminum countersunk screw \u0026amp; washer assortment with storage box.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51091336102162,"sku":"GBTST0085","price":32.48,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/1200psc_1.jpg?v=1762199828"},{"product_id":"aluminium-countersunk-screw-set","title":"720Pcs Aluminum Hex Socket Countersunk Screws \u0026 Washers Assortment Set – Burgundy to Emerald Green","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e720-Piece Aluminum Hex Socket Countersunk Screws \u0026amp; Washers Assortment — Burgundy to Emerald Green\u003c\/h2\u003e\n    \u003cp\u003eSourcing individual aluminum countersunk screws and matching washers across multiple sizes and colors wastes time and leaves you short on the exact combination you need mid-build. This 720-piece aluminum alloy hex socket countersunk flat head screw and washer assortment set covers a wide range of metric sizes in a coordinated burgundy-to-emerald-green anodized color progression, giving RC model builders, bicycle frame assemblers, computer case modders, and DIY precision build enthusiasts a ready-to-use, color-matched fastener collection in a single organized kit.\u003c\/p\u003e\n    \u003cp\u003eEvery screw is machined from high-strength aluminum alloy with an anodized surface treatment for excellent corrosion resistance and rust prevention. The countersunk flat head profile sits flush with or below the material surface when installed, providing a clean, low-profile finish on panels, frames, and enclosures. The hex socket (Allen key) drive provides positive torque transfer without cam-out, making installation and removal clean and repeatable. Matching aluminum alloy washers are included to distribute clamping load and protect soft material surfaces. Weight: approximately 226g for the complete set.\u003c\/p\u003e\n    \u003cp\u003eThe full assortment spans a coordinated burgundy-to-emerald-green anodized color range, making it easy to color-code fastener zones across your build or achieve a gradient color scheme across a frame or panel. All 720 pieces are packed in a durable, sturdy see-through storage box with clearly labeled compartments so you can quickly identify the size and color you need without emptying the box.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e✅\u003c\/span\u003e\n    Aluminum alloy hex socket countersunk flat head screws with matching washers. Anodized finish in a coordinated burgundy-to-emerald-green color range. 720 pieces total, packed in a labeled see-through storage box. Compatible with standard metric hex (Allen) keys. Suitable for RC models, aviation model toys, bicycle frames, computer case mods, and general DIY precision builds.\n  \u003c\/div\u003e\n\n  \u003cdiv\u003e\n    \u003ch2\u003e✅ Key Features of This Aluminum Countersunk Screw \u0026amp; Washer Assortment Set\u003c\/h2\u003e\n    \u003cul class=\"hdiy-features\"\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e720-Piece Assortment — Wide Size Coverage in One Kit:\u003c\/strong\u003e 720 pieces covering a range of metric hex socket countersunk screw sizes with matching washers, providing a comprehensive fastener collection for RC model builds, bicycle frame assembly, computer case modding, and general DIY precision projects. No need to source individual sizes separately — everything you need is in one organized kit.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eCountersunk Flat Head Profile — Flush, Low-Profile Finish:\u003c\/strong\u003e The countersunk flat head profile sits flush with or below the material surface when installed in a countersunk hole, providing a clean, snag-free, low-profile finish on panels, frames, and enclosures. Ideal for applications where a protruding bolt head would interfere with adjacent components or spoil the appearance of the finished build.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eHex Socket (Allen Key) Drive — Positive Torque, No Cam-Out:\u003c\/strong\u003e The internal hex socket drive provides positive torque transfer and resists cam-out during installation and removal, making it easier to achieve consistent tightening torque without damaging the drive recess. Compatible with standard metric hex (Allen) keys.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eHigh-Strength Aluminum Alloy — Lightweight, Non-Magnetic, Corrosion Resistant:\u003c\/strong\u003e Machined from high-strength aluminum alloy with an anodized surface treatment for excellent corrosion resistance and rust prevention. Significantly lighter than steel fasteners and non-magnetic, making this set ideal for weight-sensitive and magnetically sensitive precision builds such as RC models, FPV drones, and computer assemblies.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eBurgundy to Emerald Green Color Range — Color-Code or Gradient Your Build:\u003c\/strong\u003e The coordinated burgundy-to-emerald-green anodized color progression makes it easy to color-code different fastener zones across your build for quick visual identification, or to achieve a deliberate gradient color scheme across a frame, panel, or enclosure. The anodized finish is integrated into the aluminum surface for a hard, color-fast layer that resists fading and chipping under normal use conditions.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🗃️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eLabeled See-Through Storage Box — Organized, Ready to Use:\u003c\/strong\u003e All 720 pieces are packed in a durable, sturdy see-through storage box with clearly labeled compartments. Quickly identify the size and color you need without emptying the box. The storage box is designed to bear the weight of the complete set and keep your fastener collection organized between builds.\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-usecases\"\u003e\n    \u003ch2\u003e🎯 Who Is This For?\u003c\/h2\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🚁\u003c\/span\u003e\n      \u003cstrong\u003eRC Model, FPV Drone \u0026amp; Aviation Model Builders\u003c\/strong\u003e\n      \u003cp\u003eIdeal for RC model vehicle and FPV drone frame builds where a comprehensive assortment of lightweight, color-matched aluminum countersunk screws and washers provides flush-fitting, corrosion-resistant fastening across a wide range of metric sizes in a single organized kit.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🚴\u003c\/span\u003e\n      \u003cstrong\u003eBicycle Frame \u0026amp; Sports Equipment Builders\u003c\/strong\u003e\n      \u003cp\u003eUsed in high-end aluminum alloy bicycle frame assembly and sports equipment builds where lightweight, anodized countersunk screws provide a flush, low-profile finish on frame panels and components, with matching washers to protect soft material surfaces from fastener marks.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🖥️\u003c\/span\u003e\n      \u003cstrong\u003eComputer Case Modders \u0026amp; Electronics Builders\u003c\/strong\u003e\n      \u003cp\u003ePerfect for computer case panel fastening, bracket mounting, and electronics enclosure assembly where flush-fitting aluminum countersunk screws provide a clean, low-profile finish on panels and brackets, with the color range enabling color-coded or gradient fastener schemes across the finished case mod.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🔧\u003c\/span\u003e\n      \u003cstrong\u003eDIY Makers \u0026amp; Precision Build Enthusiasts\u003c\/strong\u003e\n      \u003cp\u003eSuitable for any DIY modification project, custom enclosure build, or precision assembly where a comprehensive, organized assortment of lightweight, anodized aluminum countersunk screws and washers provides ready-to-use fastener coverage across a wide range of metric sizes and a coordinated color range.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum Alloy (Anodized)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eScrew Type\u003c\/th\u003e\n\u003ctd\u003eHex Socket Countersunk Flat Head (Allen drive, flush-fitting)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTotal Pieces\u003c\/th\u003e\n\u003ctd\u003e720 pieces (screws + washers)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColor Range\u003c\/th\u003e\n\u003ctd\u003eBurgundy to Emerald Green (coordinated anodized color progression)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Treatment\u003c\/th\u003e\n\u003ctd\u003eAnodizing (corrosion \u0026amp; oxidation resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003eHex socket (Allen key) — positive torque, no cam-out\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Profile\u003c\/th\u003e\n\u003ctd\u003eCountersunk flat head — flush or below-surface installation\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSet Weight\u003c\/th\u003e\n\u003ctd\u003eApproximately 226g\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eLabeled see-through storage box with compartments\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTypical Applications\u003c\/th\u003e\n\u003ctd\u003eRC models, FPV drones, aviation model toys, bicycle frames, computer case mods, golf club heads, mechanical equipment, DIY precision builds\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eHow many pieces are included and what sizes are in the set?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe set includes 720 pieces total, comprising aluminum alloy hex socket countersunk flat head screws and matching washers across a range of metric sizes. The coordinated burgundy-to-emerald-green color range spans the full assortment. See the product images for the full size and quantity breakdown by compartment.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat Allen key size do I need to install these screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe required Allen key (hex key) size depends on the specific screw size. Standard metric hex socket countersunk screws use a hex key size that corresponds to the screw’s thread diameter — for example, M3 screws typically use a 2mm hex key, M4 screws typically use a 2.5mm hex key, and M5 screws typically use a 3mm hex key. Check the screw size label in the storage box and use the corresponding standard metric hex key.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these screws suitable for use in countersunk holes?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The countersunk flat head profile is designed to seat in a countersunk (chamfered) hole, allowing the screw head to sit flush with or below the material surface. For a flush finish, the countersink angle in the material should match the screw head angle — typically 90° for metric countersunk screws.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these screws lighter than steel countersunk screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Aluminum alloy is significantly lighter than steel — typically about one-third the weight for the same volume. These screws are also non-magnetic, making them suitable for applications where magnetic interference must be avoided, such as near sensitive electronics or sensors in RC models and drones.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWill the anodized color fade or chip over time?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe anodized finish is integrated into the surface of the aluminum rather than applied as a paint or coating, making it generally more resistant to fading and chipping than painted alternatives under normal use conditions. Hard impacts or heavy abrasion may leave marks, as with any aluminum hardware.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these screws in outdoor applications?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe anodized aluminum alloy construction provides good corrosion resistance and rust prevention, making these screws suitable for many outdoor applications under normal weather conditions. For highly corrosive environments (salt spray, prolonged immersion), stainless steel fasteners are generally recommended instead.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the storage box like?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAll 720 pieces are packed in a durable, sturdy see-through storage box with clearly labeled compartments. The transparent lid allows you to quickly identify the size and color you need without opening the box. The box is designed to bear the weight of the complete set and keep your fastener collection organized between builds.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e🛒 Add to cart to get all 720 pieces in one organized, labeled storage box.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51091336134930,"sku":"GBTST0086","price":85.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/1700psc_1.jpg?v=1762199828"},{"product_id":"720pcs-aluminum-alloy-hex-socket-screw-assortment","title":"720Pcs Aluminum Hex Socket Countersunk Screws \u0026 Washers Assortment Set – Bright Silver to Gold","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003e720-Piece Aluminum Hex Socket Countersunk Screws \u0026amp; Washers Assortment — Bright Silver to Gold\u003c\/h2\u003e\n    \u003cp\u003eSourcing individual aluminum countersunk screws and matching washers across multiple sizes and finishes wastes time and leaves you short on the exact combination you need mid-build. This 720-piece aluminum alloy hex socket countersunk flat head screw and washer assortment set covers a wide range of metric sizes in a coordinated bright-silver-to-gold anodized finish progression, giving RC model builders, bicycle frame assemblers, computer case modders, and DIY precision build enthusiasts a ready-to-use, premium-finish fastener collection in a single organized kit.\u003c\/p\u003e\n    \u003cp\u003eEvery screw is machined from high-strength aluminum alloy with an anodized surface treatment for excellent corrosion resistance and rust prevention. The countersunk flat head profile sits flush with or below the material surface when installed, providing a clean, low-profile finish on panels, frames, and enclosures. The hex socket (Allen key) drive provides positive torque transfer without cam-out, making installation and removal clean and repeatable. Matching aluminum alloy washers are included to distribute clamping load and protect soft material surfaces. Weight: approximately 226g for the complete set.\u003c\/p\u003e\n    \u003cp\u003eThe full assortment spans a coordinated bright-silver-to-gold anodized finish range — from clean, neutral silver tones through warm champagne and gold — making it easy to achieve a premium metallic color scheme across your build or to color-code fastener zones for quick visual identification. All 720 pieces are packed in a durable, sturdy see-through storage box with clearly labeled compartments so you can quickly identify the size and finish you need without emptying the box.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e✅\u003c\/span\u003e\n    Aluminum alloy hex socket countersunk flat head screws with matching washers. Anodized finish in a coordinated bright-silver-to-gold finish range. 720 pieces total, packed in a labeled see-through storage box. Compatible with standard metric hex (Allen) keys. Suitable for RC models, aviation model toys, bicycle frames, computer case mods, and general DIY precision builds.\n  \u003c\/div\u003e\n\n  \u003cdiv\u003e\n    \u003ch2\u003e✅ Key Features of This Aluminum Countersunk Screw \u0026amp; Washer Assortment Set\u003c\/h2\u003e\n    \u003cul class=\"hdiy-features\"\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e720-Piece Assortment — Wide Size Coverage in One Kit:\u003c\/strong\u003e 720 pieces covering a range of metric hex socket countersunk screw sizes with matching washers, providing a comprehensive fastener collection for RC model builds, bicycle frame assembly, computer case modding, and general DIY precision projects. No need to source individual sizes separately — everything you need is in one organized kit.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eCountersunk Flat Head Profile — Flush, Low-Profile Finish:\u003c\/strong\u003e The countersunk flat head profile sits flush with or below the material surface when installed in a countersunk hole, providing a clean, snag-free, low-profile finish on panels, frames, and enclosures. Ideal for applications where a protruding bolt head would interfere with adjacent components or spoil the appearance of the finished build.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eHex Socket (Allen Key) Drive — Positive Torque, No Cam-Out:\u003c\/strong\u003e The internal hex socket drive provides positive torque transfer and resists cam-out during installation and removal, making it easier to achieve consistent tightening torque without damaging the drive recess. Compatible with standard metric hex (Allen) keys.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eHigh-Strength Aluminum Alloy — Lightweight, Non-Magnetic, Corrosion Resistant:\u003c\/strong\u003e Machined from high-strength aluminum alloy with an anodized surface treatment for excellent corrosion resistance and rust prevention. Significantly lighter than steel fasteners and non-magnetic, making this set ideal for weight-sensitive and magnetically sensitive precision builds such as RC models, FPV drones, and computer assemblies.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eBright Silver to Gold Finish Range — Premium Metallic Color Scheme:\u003c\/strong\u003e The coordinated bright-silver-to-gold anodized finish progression — spanning clean neutral silver, warm champagne, and rich gold tones — makes it easy to achieve a premium metallic color scheme across your build or to color-code different fastener zones for quick visual identification. The anodized finish is integrated into the aluminum surface for a hard, color-fast layer that resists fading and chipping under normal use conditions.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🗃️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eLabeled See-Through Storage Box — Organized, Ready to Use:\u003c\/strong\u003e All 720 pieces are packed in a durable, sturdy see-through storage box with clearly labeled compartments. Quickly identify the size and finish you need without emptying the box. The storage box is designed to bear the weight of the complete set and keep your fastener collection organized between builds.\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-usecases\"\u003e\n    \u003ch2\u003e🎯 Who Is This For?\u003c\/h2\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🚁\u003c\/span\u003e\n      \u003cstrong\u003eRC Model, FPV Drone \u0026amp; Aviation Model Builders\u003c\/strong\u003e\n      \u003cp\u003eIdeal for RC model vehicle and FPV drone frame builds where a comprehensive assortment of lightweight, premium-finish aluminum countersunk screws and washers provides flush-fitting, corrosion-resistant fastening across a wide range of metric sizes in a single organized kit.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🚴\u003c\/span\u003e\n      \u003cstrong\u003eBicycle Frame \u0026amp; Sports Equipment Builders\u003c\/strong\u003e\n      \u003cp\u003eUsed in high-end aluminum alloy bicycle frame assembly and sports equipment builds where lightweight, anodized countersunk screws provide a flush, low-profile finish on frame panels and components, with the silver-to-gold finish range complementing polished aluminum and metallic frame color schemes.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🖥️\u003c\/span\u003e\n      \u003cstrong\u003eComputer Case Modders \u0026amp; Electronics Builders\u003c\/strong\u003e\n      \u003cp\u003ePerfect for computer case panel fastening, bracket mounting, and electronics enclosure assembly where flush-fitting aluminum countersunk screws provide a clean, low-profile finish, with the silver-to-gold finish range enabling premium metallic fastener schemes that complement brushed aluminum and tempered glass case aesthetics.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🔧\u003c\/span\u003e\n      \u003cstrong\u003eDIY Makers \u0026amp; Precision Build Enthusiasts\u003c\/strong\u003e\n      \u003cp\u003eSuitable for any DIY modification project, custom enclosure build, or precision assembly where a comprehensive, organized assortment of lightweight, anodized aluminum countersunk screws and washers provides ready-to-use fastener coverage across a wide range of metric sizes and a premium metallic finish range.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum Alloy (Anodized)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eScrew Type\u003c\/th\u003e\n\u003ctd\u003eHex Socket Countersunk Flat Head (Allen drive, flush-fitting)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTotal Pieces\u003c\/th\u003e\n\u003ctd\u003e720 pieces (screws + washers)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish Range\u003c\/th\u003e\n\u003ctd\u003eBright Silver to Gold (coordinated anodized metallic finish progression)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Treatment\u003c\/th\u003e\n\u003ctd\u003eAnodizing (corrosion \u0026amp; oxidation resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003eHex socket (Allen key) — positive torque, no cam-out\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Profile\u003c\/th\u003e\n\u003ctd\u003eCountersunk flat head — flush or below-surface installation\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSet Weight\u003c\/th\u003e\n\u003ctd\u003eApproximately 226g\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eLabeled see-through storage box with compartments\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTypical Applications\u003c\/th\u003e\n\u003ctd\u003eRC models, FPV drones, aviation model toys, bicycle frames, computer case mods, golf club heads, mechanical equipment, DIY precision builds\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eHow many pieces are included and what sizes are in the set?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe set includes 720 pieces total, comprising aluminum alloy hex socket countersunk flat head screws and matching washers across a range of metric sizes. The coordinated bright-silver-to-gold finish range spans the full assortment. See the product images for the full size and quantity breakdown by compartment.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat Allen key size do I need to install these screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe required Allen key (hex key) size depends on the specific screw size. Standard metric hex socket countersunk screws use a hex key size that corresponds to the screw’s thread diameter — for example, M3 screws typically use a 2mm hex key, M4 screws typically use a 2.5mm hex key, and M5 screws typically use a 3mm hex key. Check the screw size label in the storage box and use the corresponding standard metric hex key.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these screws suitable for use in countersunk holes?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The countersunk flat head profile is designed to seat in a countersunk (chamfered) hole, allowing the screw head to sit flush with or below the material surface. For a flush finish, the countersink angle in the material should match the screw head angle — typically 90° for metric countersunk screws.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these screws lighter than steel countersunk screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Aluminum alloy is significantly lighter than steel — typically about one-third the weight for the same volume. These screws are also non-magnetic, making them suitable for applications where magnetic interference must be avoided, such as near sensitive electronics or sensors in RC models and drones.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWill the anodized finish fade or chip over time?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe anodized finish is integrated into the surface of the aluminum rather than applied as a paint or coating, making it generally more resistant to fading and chipping than painted alternatives under normal use conditions. Hard impacts or heavy abrasion may leave marks, as with any aluminum hardware.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eCan I use these screws in outdoor applications?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe anodized aluminum alloy construction provides good corrosion resistance and rust prevention, making these screws suitable for many outdoor applications under normal weather conditions. For highly corrosive environments (salt spray, prolonged immersion), stainless steel fasteners are generally recommended instead.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the storage box like?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAll 720 pieces are packed in a durable, sturdy see-through storage box with clearly labeled compartments. The transparent lid allows you to quickly identify the size and finish you need without opening the box. The box is designed to bear the weight of the complete set and keep your fastener collection organized between builds.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e🛒 Add to cart to get all 720 pieces in one organized, labeled storage box.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51091336167698,"sku":"GBTST0087","price":85.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/1700psc_2.jpg?v=1762199830"},{"product_id":"din7991-hex-socket-flat-head-screws","title":"Hexagon Hex Socket Countersunk Screw Flat Head Allen Bolts M3 M4 M5 304 Stainless Steel DIN7991","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch2\u003eHexagon Hex Socket Countersunk Screws (M3\/M4\/M5)\u003c\/h2\u003e\n\u003ch3\u003e🔧 Key Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e DIN7991 Compliant\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDrive Type:\u003c\/strong\u003e Hex Socket (Allen Key)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHead Style:\u003c\/strong\u003e Flat Countersunk\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvailable Sizes:\u003c\/strong\u003e M3 × 6mm-50mm | M4 × 8mm-60mm | M5 × 10mm-80mm\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e⭐ Product Highlights\u003c\/h3\u003e\n\u003cdiv class=\"feature-block\"\u003e\n\u003ch4\u003ePrecision Engineered Design\u003c\/h4\u003e\n\u003cp\u003eManufactured to DIN7991 specifications for exact dimensional accuracy and load-bearing reliability in mechanical assemblies.\u003c\/p\u003e\n\u003ch4\u003eFlush Surface Integration\u003c\/h4\u003e\n\u003cp\u003e130° countersunk angle creates seamless surface alignment for automotive trim, aerospace panels, and furniture installations.\u003c\/p\u003e\n\u003ch4\u003eCorrosion-Resistant Construction\u003c\/h4\u003e\n\u003cp\u003e304 stainless steel provides:\u003cbr\u003e- Saltwater corrosion resistance (3,000+ hours salt spray tested)\u003cbr\u003e- Temperature range: -150°C to 800°C\u003cbr\u003e- HRC 28-32 hardness rating\u003c\/p\u003e\n\u003ch4\u003eTorque Optimization\u003c\/h4\u003e\n\u003cp\u003eHex socket design enables:\u003cbr\u003e- 25% higher torque capacity vs Phillips drives\u003cbr\u003e- Reduced cam-out risk\u003cbr\u003e- DIN 911 compliant hex key compatibility\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch3\u003e⚙️ Technical Specifications\u003c\/h3\u003e\n\u003ctable class=\"spec-table\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eM3\u003c\/th\u003e\n\u003cth\u003eM4\u003c\/th\u003e\n\u003cth\u003eM5\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread Pitch\u003c\/td\u003e\n\u003ctd\u003e0.5mm\u003c\/td\u003e\n\u003ctd\u003e0.7mm\u003c\/td\u003e\n\u003ctd\u003e0.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHead Diameter\u003c\/td\u003e\n\u003ctd\u003e5.7mm\u003c\/td\u003e\n\u003ctd\u003e7.6mm\u003c\/td\u003e\n\u003ctd\u003e9.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTorque Capacity\u003c\/td\u003e\n\u003ctd\u003e1.2Nm\u003c\/td\u003e\n\u003ctd\u003e2.5Nm\u003c\/td\u003e\n\u003ctd\u003e5.0Nm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M3*8mm","offer_id":51169759461650,"sku":"US-KC00020","price":4.14,"currency_code":"USD","in_stock":true},{"title":"M3*10mm","offer_id":51169759494418,"sku":"US-KC00021","price":4.66,"currency_code":"USD","in_stock":true},{"title":"M3*12mm","offer_id":51169759527186,"sku":"US-KC00022","price":5.28,"currency_code":"USD","in_stock":true},{"title":"M3*20mm","offer_id":51169759559954,"sku":"US-KC00023","price":7.33,"currency_code":"USD","in_stock":true},{"title":"M4*6mm","offer_id":51169759592722,"sku":"US-KC00024","price":5.88,"currency_code":"USD","in_stock":true},{"title":"M4*8mm","offer_id":51169759625490,"sku":"US-KC00025","price":6.71,"currency_code":"USD","in_stock":true},{"title":"M4*10mm","offer_id":51169759658258,"sku":"US-KC00026","price":7.65,"currency_code":"USD","in_stock":true},{"title":"M4*12mm","offer_id":51169759691026,"sku":"US-KC00027","price":8.43,"currency_code":"USD","in_stock":true},{"title":"M4*16mm","offer_id":51169759723794,"sku":"US-KC00028","price":10.51,"currency_code":"USD","in_stock":true},{"title":"M4*20mm","offer_id":51169759756562,"sku":"US-KC00029","price":12.13,"currency_code":"USD","in_stock":true},{"title":"M5*8mm","offer_id":51169759789330,"sku":"US-KC00030","price":10.66,"currency_code":"USD","in_stock":true},{"title":"M5*10mm","offer_id":51169759822098,"sku":"US-KC00031","price":12.04,"currency_code":"USD","in_stock":true},{"title":"M5*12mm","offer_id":51169759854866,"sku":"US-KC00032","price":13.56,"currency_code":"USD","in_stock":true},{"title":"M5*16mm","offer_id":51169759887634,"sku":"US-KC00033","price":16.45,"currency_code":"USD","in_stock":true},{"title":"M5*20mm","offer_id":51169759920402,"sku":"US-KC00034","price":19.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-06_44974cd4-fa87-41bf-ab89-9cc48f4b8416.jpg?v=1762199943"},{"product_id":"m3-aluminum-countersunk-screws-allen-socket-anodized","title":"M3 Aluminum Alloy Countersunk Screws Allen Socket Head Anodized – 9 Colors, 10 Lengths","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eM3 Aluminum Alloy Countersunk Screws — Allen Socket Head, Anodized, 9 Colors, 10 Lengths\u003c\/h2\u003e\n    \u003cp\u003eStandard steel screws add unnecessary weight, corrode over time, and offer no visual differentiation in precision builds — a real limitation in RC models, custom bicycle frames, and aerospace model assemblies where every gram counts and a flush, color-matched finish matters. These M3 aluminum alloy countersunk screws feature an Allen (hex socket) drive and an anodized surface treatment, available in 9 vibrant colors and 10 lengths from 6mm to 30mm to match your exact fastening requirements.\u003c\/p\u003e\n    \u003cp\u003eEach screw is machined from high-strength aluminum alloy with an anodized surface treatment for excellent corrosion resistance, rust prevention, and a hard, color-fast finish. The countersunk flat head seats flush with or below the surface of the material for a clean, snag-free finish. The internal Allen (hex socket) drive requires a 2.5mm hex key and allows precise torque application with reduced cam-out risk. Standard M3 metric thread pitch (0.5mm) ensures compatibility with any standard M3 nut, tapped hole, or threaded insert. Tolerance: ±0.3mm.\u003c\/p\u003e\n    \u003cp\u003eThese M3 aluminum countersunk screws are widely used in aerospace industry models, aviation and RC model toy accessories, high-end aluminum alloy bicycle frames, golf club heads, mechanical equipment, mold processing, computer accessories, and general DIY precision builds where a lightweight, corrosion-resistant, flush-mount fastener with a color-matched anodized finish is needed.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e✅\u003c\/span\u003e\n    M3 metric thread (0.5mm pitch). Compatible with standard M3 nuts, tapped holes, and threaded inserts. Countersunk head requires a matching countersunk hole. Allen (hex socket) drive — 2.5mm hex key required. Available in 9 anodized colors and 10 lengths: M3 × 6 \/ 8 \/ 10 \/ 12 \/ 14 \/ 16 \/ 18 \/ 20 \/ 25 \/ 30mm. Tolerance: ±0.3mm.\n  \u003c\/div\u003e\n\n  \u003cdiv\u003e\n    \u003ch2\u003e✅ Key Features of These M3 Aluminum Countersunk Screws\u003c\/h2\u003e\n    \u003cul class=\"hdiy-features\"\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eHigh-Strength Aluminum Alloy — Lightweight, Non-Magnetic \u0026amp; Corrosion Resistant:\u003c\/strong\u003e Machined from high-strength aluminum alloy with an anodized surface treatment, providing excellent corrosion resistance and rust prevention. Aluminum is significantly lighter than steel and non-magnetic, making these screws ideal for weight-sensitive and magnetically sensitive precision build applications such as RC models, drones, and aerospace model assemblies.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eCountersunk Flat Head — Flush-Mount, Snag-Free Finish:\u003c\/strong\u003e The tapered flat head seats into a countersunk hole, pulling the screw head flush with or below the surface of the material for a clean, aerodynamic, snag-free finish — ideal for panels, frames, and any assembly where a protruding head would interfere with adjacent components, cables, or surfaces.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eAllen (Hex Socket) Drive — Precise Torque, Reduced Cam-Out:\u003c\/strong\u003e The internal 2.5mm hex socket drive allows precise torque application with a standard Allen key, significantly reducing the risk of cam-out and surface damage compared to Phillips or slotted drives — important in precision aluminum builds where thread stripping must be avoided.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📰\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e10 Lengths Available — M3 × 6mm to 30mm:\u003c\/strong\u003e Available in M3 × 6 \/ 8 \/ 10 \/ 12 \/ 14 \/ 16 \/ 18 \/ 20 \/ 25 \/ 30mm, covering a wide range of material thickness and fastening depth requirements across M3 metric applications. Select your preferred length and color from the variant options above.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e9 Anodized Color Options:\u003c\/strong\u003e Available in Royal Blue, Green, Golden, Dark Red, Black, Silver, Purple, Rose Red, and Sky Blue anodized finishes. Color-match your build, color-code different fastener zones, or add a custom accent to your project. The anodized finish is integrated into the aluminum surface for a hard, color-fast layer that resists fading and chipping under normal use conditions.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eStandard M3 Thread — ±0.3mm Precision Tolerance:\u003c\/strong\u003e Standard M3 metric thread pitch (0.5mm) ensures compatibility with any standard M3 nut, tapped hole, or threaded insert. Consistent ±0.3mm tolerance ensures smooth engagement without cross-threading or loose fits across all lengths and colors.\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-usecases\"\u003e\n    \u003ch2\u003e🎯 Who Is This For?\u003c\/h2\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e✈️\u003c\/span\u003e\n      \u003cstrong\u003eRC, Drone \u0026amp; Aerospace Model Builders\u003c\/strong\u003e\n      \u003cp\u003eIdeal for RC model frames, FPV drone builds, aviation model toy accessories, and aerospace model assemblies where lightweight, color-matched aluminum countersunk screws with a flush-mount finish are needed to reduce weight and eliminate snag points on panels and covers.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🚴\u003c\/span\u003e\n      \u003cstrong\u003eBicycle Frame \u0026amp; Sports Equipment Builders\u003c\/strong\u003e\n      \u003cp\u003eUsed in high-end aluminum alloy bicycle frame assembly, golf club head builds, and sports equipment where lightweight, corrosion-resistant countersunk screws with a color-matched anodized finish are needed for both structural fastening and a clean, professional appearance.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🔧\u003c\/span\u003e\n      \u003cstrong\u003eMechanical Equipment \u0026amp; Computer Modders\u003c\/strong\u003e\n      \u003cp\u003eSuitable for mechanical equipment assembly, mold processing, and computer case modding where precise, lightweight M3 countersunk screws with consistent tolerances and a flush-mount finish are required for panel fastening, bracket mounting, and component assembly.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🎨\u003c\/span\u003e\n      \u003cstrong\u003eDIY Makers \u0026amp; Custom Builders\u003c\/strong\u003e\n      \u003cp\u003ePerfect for any DIY precision build, custom enclosure, or fabrication project where a lightweight, anodized color-matched countersunk screw adds both structural function and a clean, professional flush-mount aesthetic to the finished assembly.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum Alloy (Anodized)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eCountersunk (Flat Head — flush-mount)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003eAllen (Hex Socket \/ Internal Hex) — 2.5mm hex key required\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Pitch\u003c\/th\u003e\n\u003ctd\u003e0.5mm (standard M3 metric)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e6mm \/ 8mm \/ 10mm \/ 12mm \/ 14mm \/ 16mm \/ 18mm \/ 20mm \/ 25mm \/ 30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Colors\u003c\/th\u003e\n\u003ctd\u003eRoyal Blue, Green, Golden, Dark Red, Black, Silver, Purple, Rose Red, Sky Blue (anodized)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Treatment\u003c\/th\u003e\n\u003ctd\u003eAnodizing (corrosion \u0026amp; oxidation resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTolerance\u003c\/th\u003e\n\u003ctd\u003e±0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTypical Applications\u003c\/th\u003e\n\u003ctd\u003eAerospace models, RC toys, bicycle frames, golf club heads, mechanical equipment, mold processing, computer accessories, DIY precision builds\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread pitch do these M3 countersunk screws use?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese screws use standard M3 metric thread pitch (0.5mm). They are compatible with any standard M3 nut, tapped hole, or threaded insert. The ±0.3mm tolerance ensures smooth engagement without cross-threading or loose fits.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat Allen key size do I need for the hex socket drive?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese M3 countersunk Allen screws require a 2.5mm hex key (Allen wrench). A standard ball-end or long-arm hex driver works well. Avoid using worn or undersized keys to prevent rounding the socket.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need to pre-drill a countersunk hole?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Countersunk screws require a matching countersunk (chamfered) hole in the material to allow the tapered flat head to seat flush with the surface. A countersink drill bit at the appropriate angle (typically 90°) is used to create the countersunk recess before installing the screw.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these screws suitable for high-stress or safety-critical applications?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese are aluminum alloy screws, which are lighter but not as strong as steel. For high-torque or safety-critical parts such as brake mounts or steering components, steel hardware is recommended. For non-structural applications such as fairings, battery covers, non-structural brackets, and visual accents on bike frames, these aluminum screws work well.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWill the anodized color fade or chip over time?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe anodized finish is integrated into the surface of the aluminum rather than applied as a paint or coating, making it generally more resistant to fading and chipping than painted alternatives under normal use conditions. Hard impacts or heavy abrasion may leave marks, as with any aluminum hardware.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these screws lighter than steel M3 countersunk screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Aluminum alloy is significantly lighter than steel — typically about one-third the weight for the same volume. These screws are also non-magnetic, making them suitable for applications where magnetic interference must be avoided.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat lengths are available?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese M3 countersunk screws are available in 10 lengths: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 25mm, and 30mm. Select your preferred length and color from the variant options above.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Color and Thread Diameter × Length above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Royal Blue \/ M3 x 6mm","offer_id":51330437284114,"sku":"LRP12953x1","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Green \/ M3 x 6mm","offer_id":51330437316882,"sku":"LRP12954x1","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M3 x 6mm","offer_id":51330437349650,"sku":"LRP12955x1","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M3 x 6mm","offer_id":51330437382418,"sku":"LRP12956x1","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Black \/ M3 x 6mm","offer_id":51330437415186,"sku":"LRP12957x1","price":2.5,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M3 x 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10mm","offer_id":51330438136082,"sku":"LRP12979x1","price":2.54,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M3 x 12mm","offer_id":51330438168850,"sku":"LRP12980x1","price":2.54,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M3 x 12mm","offer_id":51330438201618,"sku":"LRP12981x1","price":2.61,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M3 x 12mm","offer_id":51330438234386,"sku":"LRP12982x1","price":2.54,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M3 x 12mm","offer_id":51330438267154,"sku":"LRP12983x1","price":2.54,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M3 x 12mm","offer_id":51330438299922,"sku":"LRP12984x1","price":2.54,"currency_code":"USD","in_stock":true},{"title":"Black \/ M3 x 12mm","offer_id":51330438332690,"sku":"LRP12985x1","price":2.54,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M3 x 12mm","offer_id":51330438365458,"sku":"LRP12986x1","price":2.54,"currency_code":"USD","in_stock":true},{"title":"Green \/ M3 x 12mm","offer_id":51330438398226,"sku":"LRP12987x1","price":2.54,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M3 x 12mm","offer_id":51330438430994,"sku":"LRP12988x1","price":2.54,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M3 x 14mm","offer_id":51330438463762,"sku":"LRP12989x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Green \/ M3 x 14mm","offer_id":51330438496530,"sku":"LRP12990x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M3 x 14mm","offer_id":51330438529298,"sku":"LRP12991x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M3 x 14mm","offer_id":51330438562066,"sku":"LRP12992x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Black \/ M3 x 14mm","offer_id":51330438594834,"sku":"LRP12993x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M3 x 14mm","offer_id":51330438627602,"sku":"LRP12994x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M3 x 14mm","offer_id":51330438660370,"sku":"LRP12995x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M3 x 14mm","offer_id":51330438693138,"sku":"LRP12996x1","price":2.61,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M3 x 14mm","offer_id":51330438725906,"sku":"LRP12997x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M3 x 16mm","offer_id":51330438758674,"sku":"LRP12998x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Green \/ M3 x 16mm","offer_id":51330438791442,"sku":"LRP12999x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M3 x 16mm","offer_id":51330438824210,"sku":"LRP13000x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M3 x 16mm","offer_id":51330438856978,"sku":"LRP13001x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Black \/ M3 x 16mm","offer_id":51330438889746,"sku":"LRP13002x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M3 x 16mm","offer_id":51330438922514,"sku":"LRP13003x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M3 x 16mm","offer_id":51330438955282,"sku":"LRP13004x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M3 x 16mm","offer_id":51330438988050,"sku":"LRP13005x1","price":2.61,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M3 x 16mm","offer_id":51330439020818,"sku":"LRP13006x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M3 x 18mm","offer_id":51330439053586,"sku":"LRP13007x1","price":2.61,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M3 x 18mm","offer_id":51330439086354,"sku":"LRP13008x1","price":2.64,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M3 x 18mm","offer_id":51330439119122,"sku":"LRP13009x1","price":2.61,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M3 x 18mm","offer_id":51330439151890,"sku":"LRP13010x1","price":2.61,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M3 x 18mm","offer_id":51330439184658,"sku":"LRP13011x1","price":2.61,"currency_code":"USD","in_stock":true},{"title":"Black \/ M3 x 18mm","offer_id":51330439217426,"sku":"LRP13012x1","price":2.61,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M3 x 18mm","offer_id":51330439250194,"sku":"LRP13013x1","price":2.61,"currency_code":"USD","in_stock":true},{"title":"Green \/ M3 x 18mm","offer_id":51330439282962,"sku":"LRP13014x1","price":2.61,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M3 x 18mm","offer_id":51330439315730,"sku":"LRP13015x1","price":2.61,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M3 x 20mm","offer_id":51330439348498,"sku":"LRP13016x1","price":2.64,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M3 x 20mm","offer_id":51330439381266,"sku":"LRP13017x1","price":2.68,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M3 x 20mm","offer_id":51330439414034,"sku":"LRP13018x1","price":2.64,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M3 x 20mm","offer_id":51330439446802,"sku":"LRP13019x1","price":2.64,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M3 x 20mm","offer_id":51330439479570,"sku":"LRP13020x1","price":2.64,"currency_code":"USD","in_stock":true},{"title":"Black \/ M3 x 20mm","offer_id":51330439512338,"sku":"LRP13021x1","price":2.64,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M3 x 20mm","offer_id":51330439545106,"sku":"LRP13022x1","price":2.64,"currency_code":"USD","in_stock":true},{"title":"Green \/ M3 x 20mm","offer_id":51330439577874,"sku":"LRP13023x1","price":2.64,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M3 x 20mm","offer_id":51330439610642,"sku":"LRP13024x1","price":2.64,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M3 x 25mm","offer_id":51330439643410,"sku":"LRP13025x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Green \/ M3 x 25mm","offer_id":51330439676178,"sku":"LRP13026x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M3 x 25mm","offer_id":51330439708946,"sku":"LRP13027x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M3 x 25mm","offer_id":51330439741714,"sku":"LRP13028x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Black \/ M3 x 25mm","offer_id":51330439774482,"sku":"LRP13029x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M3 x 25mm","offer_id":51330439807250,"sku":"LRP13030x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M3 x 25mm","offer_id":51330439840018,"sku":"LRP13031x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M3 x 25mm","offer_id":51330439872786,"sku":"LRP13032x1","price":3.04,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M3 x 25mm","offer_id":51330439905554,"sku":"LRP13033x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M3 x 30mm","offer_id":51330439938322,"sku":"LRP13034x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Green \/ M3 x 30mm","offer_id":51330439971090,"sku":"LRP13035x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M3 x 30mm","offer_id":51330440003858,"sku":"LRP13036x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M3 x 30mm","offer_id":51330440036626,"sku":"LRP13037x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Black \/ M3 x 30mm","offer_id":51330440069394,"sku":"LRP13038x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M3 x 30mm","offer_id":51330440102162,"sku":"LRP13039x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M3 x 30mm","offer_id":51330440134930,"sku":"LRP13040x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M3 x 30mm","offer_id":51330440167698,"sku":"LRP13041x1","price":3.04,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M3 x 30mm","offer_id":51330440200466,"sku":"LRP13042x1","price":2.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/1_2_7f29d0e9-36e2-4fb5-8936-668f5d0c9698.jpg?v=1762200644"},{"product_id":"m4-aluminum-alloy-countersunk-screws-allen-flat-head-bolts-anodized-9-colors","title":"M4 Aluminum Alloy Countersunk Screws Allen Flat Head Bolts Anodized – 9 Colors, 6–30mm","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eM4 Aluminum Alloy Countersunk Screws — Allen Flat Head, Anodized, 9 Colors, 6–30mm\u003c\/h2\u003e\n    \u003cp\u003eProtruding screw heads snag on surfaces, add unnecessary weight, and ruin the clean lines of precision builds — a real problem in aerospace models, high-end bicycle frames, and mechanical equipment where a flush, low-profile fastener is required. These anodized aluminum M4 countersunk flat head screws sit flush with or below the surface of the material, delivering a clean, aerodynamic profile with the strength and corrosion resistance of aluminum alloy in 9 vibrant anodized colors.\u003c\/p\u003e\n    \u003cp\u003eMachined from high-strength aluminum alloy with an anodized surface treatment, each screw features a flat countersunk head with an internal Allen (hex socket) drive for precise torque application with a standard hex key. The tapered underside of the head seats into a countersunk hole, pulling the head flush with the surface for a clean, low-profile finish. Available in 9 anodized colors — Dark Red, Rose Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, and Purple — and thread lengths from 6mm to 30mm (M4 thread). Tolerance: ±0.3mm.\u003c\/p\u003e\n    \u003cp\u003eThese M4 aluminum countersunk screws are widely used in aerospace industry components, aviation and RC model toy accessories, high-end aluminum alloy bicycle frames, golf club heads, mechanical equipment, mold processing, computer accessories, and general DIY precision builds where a lightweight, corrosion-resistant, color-matched flush-mount fastener is required.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e✅\u003c\/span\u003e\n    Compatible with M4 metric countersunk holes (90° countersink angle typical). Available in 10 thread lengths: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 25mm, and 30mm. Requires a standard M4 Allen (hex) key for installation. Tolerance: ±0.3mm.\n  \u003c\/div\u003e\n\n  \u003cdiv\u003e\n    \u003ch2\u003e✅ Key Features of These M4 Aluminum Countersunk Flat Head Screws\u003c\/h2\u003e\n    \u003cul class=\"hdiy-features\"\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eHigh-Strength Aluminum Alloy — Lightweight \u0026amp; Corrosion Resistant:\u003c\/strong\u003e Machined from high-strength aluminum alloy that provides excellent corrosion resistance and rust prevention, ensuring long-lasting durability in both indoor and outdoor precision build applications. Significantly lighter than equivalent steel countersunk screws.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eFlat Countersunk Head — Flush-Mount, Low-Profile Finish:\u003c\/strong\u003e The tapered flat head seats into a countersunk hole, pulling the screw head flush with or below the surface of the material. This eliminates protruding head profiles that can snag, add drag, or interfere with adjacent components — critical in aerodynamic builds, sliding mechanisms, and clean-finish assemblies.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e9 Anodized Color Options:\u003c\/strong\u003e Available in Dark Red, Rose Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, and Purple anodized finishes. Color-match your build, color-code different fastener zones, or add a custom accent to your project. The anodized finish is integrated into the aluminum surface for a hard, color-fast layer.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003eAllen (Hex Socket) Drive for Precise Torque:\u003c\/strong\u003e The internal hex socket drive allows precise torque application with a standard Allen key, reducing the risk of cam-out and surface damage compared to Phillips or slotted drives — important in precision aluminum builds where thread stripping must be avoided.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e10 Thread Lengths — 6mm to 30mm:\u003c\/strong\u003e Available in 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 25mm, and 30mm thread lengths, covering a wide range of material thicknesses and joint requirements in precision mechanical and model building applications.\u003c\/span\u003e\n      \u003c\/li\u003e\n      \u003cli\u003e\n        \u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\n        \u003cspan\u003e\u003cstrong\u003e±0.3mm Precision Tolerance:\u003c\/strong\u003e Consistent thread dimensions and head geometry ensure reliable fit across all M4 countersunk holes in standard aluminum, composite, and plastic components.\u003c\/span\u003e\n      \u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-usecases\"\u003e\n    \u003ch2\u003e🎯 Who Is This For?\u003c\/h2\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e✈️\u003c\/span\u003e\n      \u003cstrong\u003eRC \u0026amp; Aviation Model Builders\u003c\/strong\u003e\n      \u003cp\u003eIdeal for aerospace industry components, aviation model toy accessories, and RC builds where lightweight, color-matched flush-mount countersunk screws are needed for panel fastening, frame assembly, and aerodynamic surface finishing.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🚴\u003c\/span\u003e\n      \u003cstrong\u003eBicycle Frame \u0026amp; Sports Equipment Builders\u003c\/strong\u003e\n      \u003cp\u003eUsed in high-end aluminum alloy bicycle frames and golf club head assembly where lightweight, corrosion-resistant countersunk screws with a flush-mount profile are needed for both structural performance and a clean, professional finish.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🔧\u003c\/span\u003e\n      \u003cstrong\u003eMechanical Equipment \u0026amp; Mold Processors\u003c\/strong\u003e\n      \u003cp\u003eSuitable for mechanical equipment assembly, mold processing, and computer accessories where precise, flush-mount M4 countersunk fasteners with consistent tolerances are required for clean surface finishes and interference-free component clearances.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-usecase-item\"\u003e\n      \u003cspan\u003e🎨\u003c\/span\u003e\n      \u003cstrong\u003eDIY Makers \u0026amp; Custom Builders\u003c\/strong\u003e\n      \u003cp\u003ePerfect for any DIY precision build, custom enclosure, or fabrication project where a lightweight, anodized color-matched countersunk screw adds both structural function and a clean, flush visual finish to the completed piece.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eAluminum Alloy (Anodized)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eCountersunk (Flat Head — flush-mount, tapered underside)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003eAllen (Hex Socket \/ Internal Hex)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 25mm, 30mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Colors\u003c\/th\u003e\n\u003ctd\u003eDark Red, Rose Red, Golden, Royal Blue, Sky Blue, Black, Silver, Green, Purple (anodized)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Treatment\u003c\/th\u003e\n\u003ctd\u003eAnodizing\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTolerance\u003c\/th\u003e\n\u003ctd\u003e±0.3mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTypical Applications\u003c\/th\u003e\n\u003ctd\u003eAerospace models, RC toys, bicycle frames, golf club heads, mechanical equipment, mold processing, computer accessories, DIY precision builds\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is a countersunk screw and how does it differ from a socket cap screw?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA countersunk screw has a flat, tapered head designed to sit flush with or below the surface of the material when installed in a matching countersunk hole. A socket cap screw has a raised cylindrical head that sits above the surface. These are countersunk flat head screws — they are designed for flush-mount applications where a protruding head would be undesirable.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread size are these countersunk screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese countersunk screws are M4 metric thread. They are available in 10 thread lengths: 6mm, 8mm, 10mm, 12mm, 14mm, 16mm, 18mm, 20mm, 25mm, and 30mm. Select your preferred color and length from the variant options above.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat drive type do these screws use?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese screws use an Allen (hex socket \/ internal hex) drive. A standard M4 hex key (Allen key) is required for installation. The internal hex drive allows precise torque application and reduces the risk of cam-out compared to Phillips or slotted drives.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eDo I need to pre-drill a countersunk hole?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Countersunk screws require a matching countersunk (chamfered) hole in the material to allow the tapered head to seat flush with the surface. A standard countersink drill bit at the appropriate angle (typically 90°) is used to create the countersunk recess before installing the screw.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these screws lighter than steel countersunk screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Aluminum alloy is significantly lighter than steel — typically about one-third the weight for the same volume. This makes these screws well-suited for weight-sensitive applications such as RC models, aviation accessories, and bicycle frames where reducing fastener weight contributes to overall performance.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWill the anodized color fade or chip over time?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe anodized finish is integrated into the surface of the aluminum rather than applied as a paint or coating, making it generally more resistant to fading and chipping than painted alternatives under normal use conditions.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is the tolerance on these screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese M4 countersunk screws are manufactured to a tolerance of ±0.3mm on thread length and head dimensions, ensuring consistent fit across standard M4 countersunk holes in aluminum, composite, and plastic components.\u003c\/p\u003e\u003c\/div\u003e\n    \u003c\/details\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your Color and Thread Diameter x Length above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Dark Red \/ M4 x 6mm","offer_id":51330440266002,"sku":"LRP13043x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M4 x 6mm","offer_id":51330440298770,"sku":"LRP13044x1","price":2.68,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M4 x 6mm","offer_id":51330440331538,"sku":"LRP13045x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M4 x 6mm","offer_id":51330440364306,"sku":"LRP13046x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M4 x 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10mm","offer_id":51330441085202,"sku":"LRP13068x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M4 x 10mm","offer_id":51330441117970,"sku":"LRP13069x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M4 x 12mm","offer_id":51330441150738,"sku":"LRP13070x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M4 x 12mm","offer_id":51330441183506,"sku":"LRP13071x1","price":2.68,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M4 x 12mm","offer_id":51330441216274,"sku":"LRP13072x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M4 x 12mm","offer_id":51330441249042,"sku":"LRP13073x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M4 x 12mm","offer_id":51330441281810,"sku":"LRP13074x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Black \/ M4 x 12mm","offer_id":51330441314578,"sku":"LRP13075x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M4 x 12mm","offer_id":51330441347346,"sku":"LRP13076x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Green \/ M4 x 12mm","offer_id":51330441380114,"sku":"LRP13077x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M4 x 12mm","offer_id":51330441412882,"sku":"LRP13078x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M4 x 14mm","offer_id":51330441445650,"sku":"LRP13079x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Green \/ M4 x 14mm","offer_id":51330441478418,"sku":"LRP13080x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M4 x 14mm","offer_id":51330441511186,"sku":"LRP13081x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M4 x 14mm","offer_id":51330441543954,"sku":"LRP13082x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Black \/ M4 x 14mm","offer_id":51330441576722,"sku":"LRP13083x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M4 x 14mm","offer_id":51330441609490,"sku":"LRP13084x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M4 x 14mm","offer_id":51330441642258,"sku":"LRP13085x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M4 x 14mm","offer_id":51330441675026,"sku":"LRP13086x1","price":2.68,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M4 x 14mm","offer_id":51330441707794,"sku":"LRP13087x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M4 x 16mm","offer_id":51330441740562,"sku":"LRP13088x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Green \/ M4 x 16mm","offer_id":51330441773330,"sku":"LRP13089x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M4 x 16mm","offer_id":51330441806098,"sku":"LRP13090x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M4 x 16mm","offer_id":51330441838866,"sku":"LRP13091x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Black \/ M4 x 16mm","offer_id":51330441871634,"sku":"LRP13092x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M4 x 16mm","offer_id":51330441904402,"sku":"LRP13093x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M4 x 16mm","offer_id":51330441937170,"sku":"LRP13094x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M4 x 16mm","offer_id":51330441969938,"sku":"LRP13095x1","price":2.68,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M4 x 16mm","offer_id":51330442002706,"sku":"LRP13096x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M4 x 18mm","offer_id":51330442035474,"sku":"LRP13097x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M4 x 18mm","offer_id":51330442068242,"sku":"LRP13098x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M4 x 18mm","offer_id":51330442101010,"sku":"LRP13099x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M4 x 18mm","offer_id":51330442133778,"sku":"LRP13100x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M4 x 18mm","offer_id":51330442166546,"sku":"LRP13101x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Black \/ M4 x 18mm","offer_id":51330442199314,"sku":"LRP13102x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M4 x 18mm","offer_id":51330442232082,"sku":"LRP13103x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Green \/ M4 x 18mm","offer_id":51330442264850,"sku":"LRP13104x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M4 x 18mm","offer_id":51330442297618,"sku":"LRP13105x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M4 x 20mm","offer_id":51330442330386,"sku":"LRP13106x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M4 x 20mm","offer_id":51330442363154,"sku":"LRP13107x1","price":2.68,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M4 x 20mm","offer_id":51330442395922,"sku":"LRP13108x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M4 x 20mm","offer_id":51330442428690,"sku":"LRP13109x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M4 x 20mm","offer_id":51330442461458,"sku":"LRP13110x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Black \/ M4 x 20mm","offer_id":51330442494226,"sku":"LRP13111x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M4 x 20mm","offer_id":51330442526994,"sku":"LRP13112x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Green \/ M4 x 20mm","offer_id":51330442559762,"sku":"LRP13113x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M4 x 20mm","offer_id":51330442592530,"sku":"LRP13114x1","price":2.57,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M4 x 25mm","offer_id":51330442625298,"sku":"LRP13115x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Green \/ M4 x 25mm","offer_id":51330442658066,"sku":"LRP13116x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M4 x 25mm","offer_id":51330442690834,"sku":"LRP13117x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M4 x 25mm","offer_id":51330442723602,"sku":"LRP13118x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Black \/ M4 x 25mm","offer_id":51330442756370,"sku":"LRP13119x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M4 x 25mm","offer_id":51330442789138,"sku":"LRP13120x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M4 x 25mm","offer_id":51330442821906,"sku":"LRP13121x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M4 x 25mm","offer_id":51330442854674,"sku":"LRP13122x1","price":3.04,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M4 x 25mm","offer_id":51330442887442,"sku":"LRP13123x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Royal Blue \/ M4 x 30mm","offer_id":51330442920210,"sku":"LRP13124x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Green \/ M4 x 30mm","offer_id":51330442952978,"sku":"LRP13125x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Golden \/ M4 x 30mm","offer_id":51330442985746,"sku":"LRP13126x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Dark Red \/ M4 x 30mm","offer_id":51330443018514,"sku":"LRP13127x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Black \/ M4 x 30mm","offer_id":51330443051282,"sku":"LRP13128x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Silver \/ M4 x 30mm","offer_id":51330443084050,"sku":"LRP13129x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Purple \/ M4 x 30mm","offer_id":51330443116818,"sku":"LRP13130x1","price":2.86,"currency_code":"USD","in_stock":true},{"title":"Rose Red \/ M4 x 30mm","offer_id":51330443149586,"sku":"LRP13131x1","price":3.04,"currency_code":"USD","in_stock":true},{"title":"Sky Blue \/ M4 x 30mm","offer_id":51330443182354,"sku":"LRP13132x1","price":2.86,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/1_4_ab48ba1e-069e-403d-ac97-668fdde27578.jpg?v=1762200646"},{"product_id":"black-countersunk-hex-screws-m3-m5","title":"M3–M5 Black Hex Socket Countersunk Screws – A2 Stainless Steel, Electrophoresis Black, Fully Threaded (5–30mm Overall Length)","description":"\u003c!-- Part 1: Product Description HTML for Shopify --\u003e\n\u003cdiv class=\"hdiy-black-countersunk-hex\"\u003e\n\u003c!-- Product Overview Section --\u003e\n\u003ch2\u003e⚫ M3–M5 Black Hex Socket Countersunk Screws – A2 Stainless Steel, Electrophoresis Black, Fully Threaded (5–30mm Overall Length)\u003c\/h2\u003e\n\u003cp\u003eYou’re building a custom PC, mounting black anodized aluminum panels, or working on a project where dark hardware is a must – and you want screws that disappear into the surface. These M3, M4, and M5 hex socket countersunk screws are made from A2 stainless steel with an electrophoresis black finish. The flat 90° head sinks flush into a pre‑drilled countersink, leaving a smooth, almost invisible finish. The hex socket (Allen) drive lets you apply torque without slipping. Available in lengths from 5mm to 30mm measured overall (including the head). Fully threaded. The black coating is durable and adds extra corrosion resistance. Perfect for marine equipment, outdoor electronics, automotive trim, and any project where a low‑profile, rust‑proof dark screw is needed.\u003c\/p\u003e\n\u003c!-- Features Section --\u003e\n\u003ch2\u003e✨ Key Features – Black Hex Socket Countersunk Screws (A2 Stainless)\u003c\/h2\u003e\n\u003cul class=\"hdiy-feature-list\"\u003e\n\u003cli\u003e🔽 \u003cstrong\u003eCountersunk flat head (90°)\u003c\/strong\u003e – Sits flush with the surface after proper countersinking. No protruding heads – clean and professional.\u003c\/li\u003e\n\u003cli\u003e⚫ \u003cstrong\u003eElectrophoresis black finish\u003c\/strong\u003e – Durable, uniform black coating. Provides extra corrosion resistance and a sleek, low‑glare appearance.\u003c\/li\u003e\n\u003cli\u003e🔧 \u003cstrong\u003eHex socket (Allen) drive\u003c\/strong\u003e – Allows high torque without cam‑out. Clean recess – won’t collect dirt or debris.\u003c\/li\u003e\n\u003cli\u003e🛡️ \u003cstrong\u003eA2 stainless steel (304)\u003c\/strong\u003e – Excellent corrosion and oxidation resistance. Even if the black coating scratches, the stainless underneath won’t rust.\u003c\/li\u003e\n\u003cli\u003e📏 \u003cstrong\u003eMetric sizes M3, M4, M5\u003c\/strong\u003e – Perfect for small to medium fastening in electronics, machinery, and marine hardware.\u003c\/li\u003e\n\u003cli\u003e📐 \u003cstrong\u003eOverall length includes head (5–30mm)\u003c\/strong\u003e – Example: M4 x 10mm means total length from top of head to tip is 10mm. Fully threaded.\u003c\/li\u003e\n\u003cli\u003e⚙️ \u003cstrong\u003eISO 10642 \/ DIN 7991 standard\u003c\/strong\u003e – Precision dimensions, consistent quality. Fully threaded coarse pitch.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Specifications Table --\u003e\n\u003ch2\u003e📏 Specifications – M3 M4 M5 Black Countersunk Hex Screws (Overall Length)\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrapper\" style=\"overflow-x: auto;\"\u003e\n\u003ctable class=\"hdiy-specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Diameter (M)\u003c\/th\u003e\n\u003cth\u003eThread Pitch (mm)\u003c\/th\u003e\n\u003cth\u003eOverall Length (mm, including head) *\u003c\/th\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003cth\u003eDrive\u003c\/th\u003e\n\u003cth\u003eHex Key Size (mm)\u003c\/th\u003e\n\u003cth\u003eMaterial \/ Finish\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd colspan=\"7\" style=\"background: #f5f5f5; text-align: center;\"\u003e📐 Overall length = from top of head to tip. Fully threaded. Select exact size from dropdown. \u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"dia\"\u003eM3\u003c\/td\u003e\n\u003ctd class=\"pitch\"\u003e0.5\u003c\/td\u003e\n\u003ctd class=\"len\"\u003e5, 6, 8, 10, 12, 16, 20, 25, 30\u003c\/td\u003e\n\u003ctd rowspan=\"3\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eCountersunk \/ Flat (90°)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd rowspan=\"3\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eHex socket (Allen)\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e2 mm\u003c\/td\u003e\n\u003ctd rowspan=\"3\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eA2 304 Stainless \/ Electrophoresis black\u003c\/p\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"dia\"\u003eM4\u003c\/td\u003e\n\u003ctd class=\"pitch\"\u003e0.7\u003c\/td\u003e\n\u003ctd class=\"len\"\u003e5, 6, 8, 10, 12, 16, 20, 25, 30\u003c\/td\u003e\n\u003ctd\u003e2.5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"dia\"\u003eM5\u003c\/td\u003e\n\u003ctd class=\"pitch\"\u003e0.8\u003c\/td\u003e\n\u003ctd class=\"len\"\u003e5, 6, 8, 10, 12, 16, 20, 25, 30\u003c\/td\u003e\n\u003ctd\u003e3 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp class=\"hdiy-note\" style=\"font-size: 0.85rem; margin-top: 0.5rem;\"\u003e* Lengths are typical – exact availability may vary. Please allow minor manual measurement errors. Black color may vary slightly due to monitor calibration.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Material \u0026 Standard Table --\u003e\n\u003ch2\u003e📋 Technical Details – Standard \u0026amp; Material\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrapper\" style=\"overflow-x: auto;\"\u003e\n\u003ctable class=\"hdiy-specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"pro\"\u003eStandard\u003c\/td\u003e\n\u003ctd class=\"desc\"\u003eGB\/T 70.3 \/ ISO 10642 \/ DIN 7991 – metric countersunk hex socket head screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"pro\"\u003eMaterial\u003c\/td\u003e\n\u003ctd class=\"desc\"\u003eA2 stainless steel (304) – excellent corrosion resistance, high strength, non‑magnetic (slightly after cold working)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"pro\"\u003eFinish\u003c\/td\u003e\n\u003ctd class=\"desc\"\u003eElectrophoresis black – uniform matte black coating, good adhesion, salt spray resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"pro\"\u003eThread\u003c\/td\u003e\n\u003ctd class=\"desc\"\u003eCoarse metric, fully threaded, burr‑free\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ Section – all expanded --\u003e\n\u003ch2\u003e❓ Frequently Asked Questions – Black Hex Countersunk Screws\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e1. How do I measure the length of these countersunk screws?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eFor countersunk flat head screws (DIN 7991), the length is measured overall – from the top of the head to the tip. So an “M4 x 10mm” screw has a total length of 10mm including the head. This matches our listing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e2. Do I need to countersink the hole for these screws to sit flush?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – these are true 90° countersunk screws. To achieve a flush or slightly recessed finish, you must drill a matching 90° countersink hole. Use a countersink bit slightly larger than the head diameter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e3. Are these screws fully threaded?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – all M3, M4, and M5 screws in this range (up to 30mm overall length) are fully threaded from under the head to the tip, giving you maximum grip in blind holes or through‑nut applications.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e4. Will the black coating scratch or wear off? What about rust?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eElectrophoresis black is a durable coating that bonds to the steel. It resists scratches better than paint, but heavy torque or contact with sharp metal may leave marks. The good news: the base material is A2 stainless steel. Even if the coating wears, the screw itself will not rust – a major advantage over black‑coated carbon steel screws.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e5. What hex key size do I need for M3, M4, and M5?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eM3 uses a 2mm Allen key, M4 uses 2.5mm, M5 uses 3mm. Always use a quality hex key that fits snugly to avoid rounding the socket.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e6. Can I use these screws with a nut? What size nut fits?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – these are machine screws. Use standard metric nuts of the same thread size (M3, M4, or M5). We recommend matching black or stainless nuts. They will also thread into pre‑tapped holes. Not self‑tapping – for wood or plastic, use a threaded insert or a nut on the back.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .hdiy-black-countersunk-hex {\n    max-width: 100%;\n    margin: 0;\n    padding: 0;\n    color: #1a1a1a;\n    line-height: 1.5;\n  }\n  .hdiy-black-countersunk-hex h2 {\n    font-size: 1.75rem;\n    margin: 1.5rem 0 0.75rem 0;\n    font-weight: 600;\n    border-bottom: 2px solid #eaeaea;\n    padding-bottom: 0.5rem;\n  }\n  .hdiy-black-countersunk-hex h2:first-of-type {\n    margin-top: 0;\n  }\n  .hdiy-black-countersunk-hex p {\n    margin-bottom: 1rem;\n    font-size: 1rem;\n  }\n  .hdiy-feature-list {\n    list-style: none;\n    padding-left: 0;\n    margin: 1rem 0;\n  }\n  .hdiy-feature-list li {\n    margin-bottom: 0.75rem;\n    padding-left: 0.25rem;\n    font-size: 1rem;\n    display: flex;\n    align-items: flex-start;\n    gap: 0.5rem;\n  }\n  .hdiy-feature-list li strong {\n    font-weight: 600;\n  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1.5rem;\n    }\n    .hdiy-specs-table th,\n    .hdiy-specs-table td {\n      padding: 8px 10px;\n      font-size: 0.85rem;\n    }\n  }\n\u003c\/style\u003e","brand":"HomeDIYer","offers":[{"title":"M3 \/ 5 mm \/ 10 Pcs","offer_id":52259842785554,"sku":"PENGGB03520x10","price":5.59,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 6 mm \/ 10 Pcs","offer_id":52259842818322,"sku":"PENGGB03521x10","price":6.09,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 8 mm \/ 10 Pcs","offer_id":52259842851090,"sku":"PENGGB03522x10","price":6.09,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 10 mm \/ 10 Pcs","offer_id":52259842883858,"sku":"PENGGB03523x10","price":6.3,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 12 mm \/ 10 Pcs","offer_id":52259842916626,"sku":"PENGGB03524x10","price":6.43,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 16 mm \/ 10 Pcs","offer_id":52259842949394,"sku":"PENGGB03525x10","price":6.77,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 20 mm \/ 10 Pcs","offer_id":52259842982162,"sku":"PENGGB03526x10","price":7.11,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 25 mm \/ 10 Pcs","offer_id":52259843014930,"sku":"PENGGB03527x10","price":7.66,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 30 mm \/ 10 Pcs","offer_id":52259843047698,"sku":"PENGGB03528x10","price":8.13,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 6 mm \/ 10 Pcs","offer_id":52259843080466,"sku":"PENGGB03529x10","price":6.98,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 8 mm \/ 10 Pcs","offer_id":52259843113234,"sku":"PENGGB03530x10","price":7.11,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 10 mm \/ 10 Pcs","offer_id":52259843146002,"sku":"PENGGB03531x10","price":7.32,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 12 mm \/ 10 Pcs","offer_id":52259843178770,"sku":"PENGGB03532x10","price":7.66,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 16 mm \/ 10 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These nylon countersunk screws are made from PA66 (Nylon 66), a tough engineering plastic that's completely non‑conductive, non‑magnetic, and immune to corrosion. The flat head sits flush with the surface after countersinking, giving a clean, professional finish. Phillips drive works with standard crosshead screwdrivers. Available in M2.5, M3, M4, M5, M6, and M8 diameters, with multiple pack sizes (10, 50, 100, 500, 1000 pieces). Perfect for electronics, PCB mounting, battery boxes, marine equipment, chemical environments, and any application where metal fasteners are a problem.\u003c\/p\u003e\n\u003c!-- Features Section --\u003e\n\u003ch2\u003e✨ Key Features – Nylon Countersunk Phillips Screws (PA66)\u003c\/h2\u003e\n\u003cul class=\"hdiy-feature-list\"\u003e\n\u003cli\u003e⚡ \u003cstrong\u003eElectrically insulating\u003c\/strong\u003e – Nylon is a natural insulator. Use these screws to mount PCBs, secure wire terminals, or prevent ground loops.\u003c\/li\u003e\n\u003cli\u003e🦀 \u003cstrong\u003e100% corrosion‑proof\u003c\/strong\u003e – No rust, no oxidation, no galvanic reaction. Perfect for marine, coastal, or chemical environments where stainless steel can still stain or pit.\u003c\/li\u003e\n\u003cli\u003e🔽 \u003cstrong\u003eCountersunk flat head (90°)\u003c\/strong\u003e – Designed to sit flush with the surface after proper countersinking. Ideal for flush, snag‑free installations.\u003c\/li\u003e\n\u003cli\u003e⚡\u003cbr\u003e\u003cstrong\u003ePhillips drive\u003c\/strong\u003e – Standard cross recess works with common screwdrivers and bits. Good torque control without slipping.\u003c\/li\u003e\n\u003cli\u003e📏 \u003cstrong\u003eMetric sizes M2.5 to M8\u003c\/strong\u003e – M2.5, M3, M4, M5, M6, M8. Covers miniature electronics up to light mechanical assemblies.\u003c\/li\u003e\n\u003cli\u003e💪 \u003cstrong\u003ePA66 engineering plastic\u003c\/strong\u003e – High mechanical strength, good toughness, abrasion and chemical resistant. Lightweight (about 1\/5 the weight of steel).\u003c\/li\u003e\n\u003cli\u003e📦 \u003cstrong\u003eMultiple pack quantities\u003c\/strong\u003e – Choose from 10, 50, 100, 500, or 1000 pieces per pack to suit your project scale.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Specifications Table --\u003e\n\u003ch2\u003e📏 Specifications – Nylon Countersunk Phillips Screws (Metric)\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\" class=\"hdiy-table-wrapper\"\u003e\n\u003ctable class=\"hdiy-specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Diameter\u003c\/th\u003e\n\u003cth\u003eTypical Length Range (mm) *\u003c\/th\u003e\n\u003cth\u003eThread Pitch (mm)\u003c\/th\u003e\n\u003cth\u003eAvailable Pack Sizes\u003c\/th\u003e\n\u003cth\u003eCommon Applications\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eM2.5\u003c\/td\u003e\n\u003ctd\u003e4 – 20\u003c\/td\u003e\n\u003ctd\u003e0.45\u003c\/td\u003e\n\u003ctd\u003e10, 50, 100, 500, 1000\u003c\/td\u003e\n\u003ctd\u003eSmall PCBs, battery holders, RC electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e5 – 30\u003c\/td\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003ctd\u003e10, 50, 100, 500, 1000\u003c\/td\u003e\n\u003ctd\u003e3D printers, terminal blocks, instrument cases\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM4\u003c\/td\u003e\n\u003ctd\u003e6 – 40\u003c\/td\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003ctd\u003e10, 50, 100, 500, 1000\u003c\/td\u003e\n\u003ctd\u003eElectronics enclosures, light machinery, boat accessories\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM5\u003c\/td\u003e\n\u003ctd\u003e8 – 50\u003c\/td\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003ctd\u003e10, 50, 100, 500, 1000\u003c\/td\u003e\n\u003ctd\u003eMarine hardware, chemical equipment, solar panel mounts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM6\u003c\/td\u003e\n\u003ctd\u003e10 – 60\u003c\/td\u003e\n\u003ctd\u003e1.0\u003c\/td\u003e\n\u003ctd\u003e10, 50, 100, 500, 1000\u003c\/td\u003e\n\u003ctd\u003eLarger plastic assemblies, electrical cabinets, outdoor gear\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM8\u003c\/td\u003e\n\u003ctd\u003e12 – 80\u003c\/td\u003e\n\u003ctd\u003e1.25\u003c\/td\u003e\n\u003ctd\u003e10, 50, 100, 500, 1000\u003c\/td\u003e\n\u003ctd\u003eIndustrial equipment, heavy‑duty plastic structures\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 0.85rem; margin-top: 0.5rem;\" class=\"hdiy-note\"\u003e* Lengths are measured overall including the head (per DIN 965). Available lengths vary by diameter – select from dropdown. All screws are fully threaded for most lengths; longer M6\/M8 may have partial threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Material Properties Table --\u003e\n\u003ch2\u003e📋 Material Properties – PA66 Nylon (Nylon 66)\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\" class=\"hdiy-table-wrapper\"\u003e\n\u003ctable class=\"hdiy-specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eProperty\u003c\/th\u003e\n\u003cth\u003eValue \/ Benefit\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePA66 (Nylon 66) – high strength, good toughness, wear resistant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical insulation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExcellent – non‑conductive, safe for electronics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCorrosion resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eImmune to rust, saltwater, chemicals, and UV (with stabilizers)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTemperature range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C continuous; short peaks up to 120°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDensity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~1.14 g\/cm³ (about 1\/5 weight of steel)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMagnetic\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNon‑magnetic – ideal for sensitive equipment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ Section – all expanded --\u003e\n\u003ch2\u003e❓ Frequently Asked Questions – Nylon Countersunk Screws\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e1. Are these screws strong enough for structural applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eNylon screws have about 1\/5 to 1\/3 the tensile strength of steel. They’re perfect for lightweight assemblies, electrical insulation, corrosion‑prone environments, and vibration‑damping. For heavy load‑bearing (e.g., holding a 50kg shelf), use metal. For PCB mounting, plastic enclosures, boat hatches, or battery terminals, nylon is ideal.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e2. Can I use these screws outdoors in direct sunlight?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eNylon is UV‑sensitive. For continuous outdoor sunlight exposure (months or years), the material may become brittle and discolor. We recommend using them in shaded or indoor applications, or painting the screw heads with UV‑blocking paint for outdoor use.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e3. Do I need to countersink the hole for these screws?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – for the head to sit flush, you must drill a matching 90° countersink hole. Use a countersink bit. In soft plastics or wood, you can sometimes tap the head in gently, but proper countersinking gives a cleaner result.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e4. How do I measure the length of a countersunk nylon screw?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003ePer DIN 965, the length is measured overall – from the top of the head to the tip. So an “M3 x 10mm” screw has a total length of 10mm including the head.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e5. Can I use a power drill to drive these screws?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – but use a very low‑clutch setting (1–2) and low speed. Nylon threads can strip if over‑torqued. Hand tightening is recommended for final seating. The Phillips drive will slip before the screw breaks, but caution is advised.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e6. What’s the difference between PA66 and other nylons?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003ePA66 (Nylon 66) has higher mechanical strength, better stiffness, and higher melting point than PA6. It’s the standard choice for engineering fasteners where strength and temperature resistance matter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .hdiy-nylon-csk-screws {\n    max-width: 100%;\n    margin: 0;\n    padding: 0;\n    color: #1a1a1a;\n    line-height: 1.5;\n  }\n  .hdiy-nylon-csk-screws h2 {\n    font-size: 1.75rem;\n    margin: 1.5rem 0 0.75rem 0;\n    font-weight: 600;\n    border-bottom: 2px solid #eaeaea;\n    padding-bottom: 0.5rem;\n  }\n  .hdiy-nylon-csk-screws h2:first-of-type {\n    margin-top: 0;\n  }\n  .hdiy-nylon-csk-screws p {\n    margin-bottom: 1rem;\n    font-size: 1rem;\n  }\n  .hdiy-feature-list {\n    list-style: none;\n    padding-left: 0;\n    margin: 1rem 0;\n  }\n  .hdiy-feature-list li {\n    margin-bottom: 0.75rem;\n    padding-left: 0.25rem;\n    font-size: 1rem;\n    display: flex;\n    align-items: flex-start;\n    gap: 0.5rem;\n  }\n  .hdiy-feature-list li strong {\n    font-weight: 600;\n  }\n  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统一前缀 hdiy-，避免样式冲突 *\/\n  .hdiy-product-wrap {\n    margin: 0;\n    padding: 0;\n  }\n  .hdiy-product-wrap h2,\n  .hdiy-product-wrap h3 {\n    margin-top: 1.5em;\n    margin-bottom: 0.5em;\n    font-weight: 600;\n  }\n  .hdiy-product-wrap p {\n    margin-bottom: 1em;\n    line-height: 1.5;\n  }\n  .hdiy-features-list {\n    list-style: none;\n    padding-left: 0;\n  }\n  .hdiy-features-list li {\n    margin-bottom: 0.75em;\n    padding-left: 1.5em;\n    position: relative;\n    line-height: 1.4;\n  }\n  .hdiy-features-list li::before {\n    content: \" \";\n    position: absolute;\n    left: 0;\n    top: 0;\n  }\n  .hdiy-table-wrapper {\n    overflow-x: auto;\n    margin: 1.2em 0;\n  }\n  .hdiy-specs-table {\n    width: 100%;\n    border-collapse: collapse;\n    font-size: 0.95rem;\n    background: #fff;\n    min-width: 300px;\n  }\n  .hdiy-specs-table th,\n  .hdiy-specs-table td {\n    border: 1px solid #ddd;\n    padding: 10px 12px;\n    text-align: left;\n    vertical-align: top;\n  }\n  .hdiy-specs-table th {\n    background-color: #f5f5f5;\n    font-weight: 600;\n    width: 35%;\n  }\n  .hdiy-faq-item {\n    margin-bottom: 1.25rem;\n    border-bottom: 1px solid #eee;\n    padding-bottom: 0.75rem;\n  }\n  .hdiy-faq-question {\n    font-weight: 700;\n    margin-bottom: 0.35rem;\n    font-size: 1rem;\n  }\n  .hdiy-faq-answer {\n    margin-top: 0;\n    line-height: 1.45;\n    color: #2c2c2c;\n  }\n  @media (max-width: 640px) {\n    .hdiy-specs-table th,\n    .hdiy-specs-table td {\n      padding: 8px 10px;\n    }\n  }\n\u003c\/style\u003e\n\n\u003cdiv class=\"hdiy-product-wrap\"\u003e\n  \n  \u003c!-- 产品概述 --\u003e\n  \u003ch2\u003e🌊 Product Overview: M2–M8 A4 Stainless Steel Phillips Countersunk Screws – Marine Grade (DIN 965)\u003c\/h2\u003e\n  \u003cp\u003eIf you're building or repairing anything that touches saltwater – boats, docks, coastal furniture – you need fasteners that won't corrode after one season. These A4 (316) stainless steel Phillips countersunk machine screws are marine grade, with added molybdenum for superior resistance to chlorides, salt spray, and harsh chemicals. The flat 90° head sits flush in countersunk holes for a smooth, professional finish, while the Phillips drive works with standard bits for easy installation. Fully threaded to DIN 965 standards, available in diameters from M2 to M8 and lengths from 3mm to 100mm (length includes the head). Perfect for ship assembly, marine equipment, chemical plants, and outdoor DIY where rust is not an option.\u003c\/p\u003e\n  \n  \u003c!-- 产品特点列表 --\u003e\n  \u003ch2\u003e✨ Why A4 (316) Marine Grade Countersunk Screws Are Worth the Upgrade\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features-list\"\u003e\n    \u003cli\u003e\n\u003cstrong\u003eA4 stainless steel (316 \/ marine grade)\u003c\/strong\u003e – Contains molybdenum for exceptional resistance to saltwater, chlorides, and industrial chemicals. Outperforms 304 in harsh marine and coastal environments.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePhillips countersunk flat head\u003c\/strong\u003e – Sits flush in tapered holes for a snag‑free, professional surface. Ideal for decking, panels, and flush assemblies.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDIN 965 standard\u003c\/strong\u003e – Precision head dimensions and consistent thread geometry. Fully threaded with coarse metric pitch.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWide size range: M2, M2.5, M3, M4, M5, M6, M8\u003c\/strong\u003e – From tiny electronics and instruments up to structural marine hardware. One product line covers most needs.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eLengths from 3mm to 100mm (including head)\u003c\/strong\u003e – Short screws for thin panels, long ones for thick assemblies. Choose exactly what your project requires.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEasy to use with uniform force\u003c\/strong\u003e – Phillips drive provides good engagement, reduces slipping, and makes installation quick and convenient.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eWide application range\u003c\/strong\u003e – Home and office appliances, communication equipment, ship assembly, furniture, car and motorcycle repair, industrial and construction fasteners, and DIY inventions.\u003c\/li\u003e\n  \u003c\/ul\u003e\n  \n  \u003c!-- 规格参数表格 --\u003e\n  \u003ch2\u003e📏 Technical Specifications – A4 Countersunk Phillips Screws (DIN 965)\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrapper\"\u003e\n    \u003ctable class=\"hdiy-specs-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003ePhillips Countersunk Flat Head Machine Screws (DIN 965)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eA4 Stainless Steel (316 \/ marine grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003ctd\u003eA4 (316) – superior corrosion \u0026amp; acid resistance\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003ePhillips cross‑head\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eCountersunk \/ Flat head (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSystem of Measurement\u003c\/th\u003e\n\u003ctd\u003eMetric\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003ctd\u003eDIN 965\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Sizes (Diameter)\u003c\/th\u003e\n\u003ctd\u003eM2, M2.5, M3, M4, M5, M6, M8\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Pitch (coarse)\u003c\/th\u003e\n\u003ctd\u003eM2x0.4, M2.5x0.45, M3x0.5, M4x0.7, M5x0.8, M6x1.0, M8x1.25\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eFully threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eLength Range\u003c\/th\u003e\n\u003ctd\u003e3mm – 100mm (length includes the head – total screw length)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural stainless steel (unplated, bright)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMPN\u003c\/th\u003e\n\u003ctd\u003eDIN 965\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \n  \u003c!-- 不锈钢材质对比说明表格 --\u003e\n  \u003ch3\u003e📊 Stainless Steel Comparison – Which Grade to Choose?\u003c\/h3\u003e\n  \u003cdiv class=\"hdiy-table-wrapper\"\u003e\n    \u003ctable class=\"hdiy-specs-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003cth\u003eBest Use\u003c\/th\u003e\n\u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003ctd\u003e201 Stainless\u003c\/td\u003e\n\u003ctd\u003ePoor – rusts with water\u003c\/td\u003e\n\u003ctd\u003eDry indoor decorative use only\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e304 Stainless (A2)\u003c\/td\u003e\n\u003ctd\u003eGood – resists corrosion \u0026amp; acid\u003c\/td\u003e\n\u003ctd\u003eOutdoor, humid, general purpose\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003e316 Stainless (A4)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eExcellent – with molybdenum for saltwater \u0026amp; chemicals\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eMarine, coastal, high‑chloride areas (these screws)\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n  \n  \u003c!-- 常见问题 FAQ --\u003e\n  \u003ch2\u003e❓ FAQs – A4 Marine Grade Countersunk Screws\u003c\/h2\u003e\n  \n  \u003cdiv class=\"hdiy-faq-item\"\u003e\n    \u003cdiv class=\"hdiy-faq-question\"\u003e🔸 What’s the difference between A2 (304) and A4 (316) stainless steel?\u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-answer\"\u003eA4 (316) contains molybdenum, which greatly improves resistance to chlorides – that means saltwater, de-icing salts, and many industrial chemicals. A2 (304) is fine for most indoor and general outdoor use, but A4 is the standard for marine, coastal, and chemical environments. It costs a bit more but lasts much longer in harsh conditions.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"hdiy-faq-item\"\u003e\n    \u003cdiv class=\"hdiy-faq-question\"\u003e🔸 Are these screws fully threaded? How is length measured?\u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-answer\"\u003eYes – they are fully threaded from just under the head to the tip. Length is measured including the head (total screw length) – standard for countersunk fasteners. For example, an M5 x 20mm screw is 20mm long overall from the top of the flat head to the tip. Countersunk holes should be drilled to match this total depth.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"hdiy-faq-item\"\u003e\n    \u003cdiv class=\"hdiy-faq-question\"\u003e🔸 Will A4 stainless steel rust in saltwater?\u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-answer\"\u003eA4 (316) stainless is highly resistant to saltwater corrosion and is the go‑to choice for boat hardware, dock fittings, and submerged applications. While no metal is completely immune to crevice corrosion in stagnant, low‑oxygen conditions, 316 performs excellently for most marine use. Rinse occasionally with fresh water for maximum lifespan.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"hdiy-faq-item\"\u003e\n    \u003cdiv class=\"hdiy-faq-question\"\u003e🔸 What Phillips screwdriver size works for M2 through M8?\u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-answer\"\u003eM2–M2.5: use PH0 or PH00. M3–M4: use PH1. M5–M6: use PH2. M8: use PH2 or PH3 (PH2 works for most). Using the correct size prevents stripping.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"hdiy-faq-item\"\u003e\n    \u003cdiv class=\"hdiy-faq-question\"\u003e🔸 Can I use these screws with nuts, or are they self‑tapping?\u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-answer\"\u003eThese are standard machine screws – they require a matching metric nut (M2–M8) or a pre‑tapped hole. They are not self‑tapping. For best corrosion resistance, pair them with A4 stainless nuts.\u003c\/div\u003e\n  \u003c\/div\u003e\n  \n  \u003cdiv class=\"hdiy-faq-item\"\u003e\n    \u003cdiv class=\"hdiy-faq-question\"\u003e🔸 Are these screws magnetic?\u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-answer\"\u003eA4 (316) stainless is generally non‑magnetic in its annealed state, but cold forming (like thread rolling) can make it slightly magnetic. 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Pcs","offer_id":52259900522770,"sku":"GYWWWMGBRT14076x1","price":1.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/aa7b9f75-7743-45c2-801e-203412327625.jpg?v=1779096306"},{"product_id":"products-m3-m3-5-countersunk-screws-a2-stainless","title":"M3 M3.5 COUNTERSUNK SCREWS A2 STAINLESS PHILLIPS MACHINE SCREWS BOLTS L 3-120mm","description":"\u003c!-- Part 1: Product Description HTML for Shopify --\u003e\n\u003cdiv class=\"hdiy-csk-screws\"\u003e\n\u003c!-- Product Overview Section --\u003e\n\u003ch2\u003e🔩 M3 \u0026amp; M3.5 Countersunk Screws – A2 Stainless Steel, Phillips Drive, Fully Threaded (3mm–120mm Lengths)\u003c\/h2\u003e\n\u003cp\u003eYou're working on a delicate instrument, mounting a hinge flush to a wooden surface, or assembling a piece of equipment that needs a smooth, snag‑free finish. These M3 and M3.5 countersunk machine screws are made from A2 stainless steel (304), so they won't rust or stain over time. The 90° flat head sinks perfectly into a pre‑drilled countersink, leaving the screw flush with the material. Phillips drive gives you reliable engagement with standard crosshead bits. Available in lengths from 3mm up to 120mm – measured including the head. Fully threaded along the entire length, these screws give you maximum grip in both blind holes and through‑hole applications. Perfect for furniture, marine hardware, automotive trim, and any project where a flush finish matters.\u003c\/p\u003e\n\u003c!-- Features Section --\u003e\n\u003ch2\u003e✨ Key Features – A2 Stainless Phillips Countersunk Machine Screws\u003c\/h2\u003e\n\u003cul class=\"hdiy-feature-list\"\u003e\n\u003cli\u003e🔽 \u003cstrong\u003eCountersunk flat head (90°)\u003c\/strong\u003e – Designed to sit flush with or slightly below the surface after proper countersinking. No protruding heads – clean, professional appearance.\u003c\/li\u003e\n\u003cli\u003e🛡️ \u003cstrong\u003eA2 stainless steel (304)\u003c\/strong\u003e – Excellent corrosion resistance. Ideal for indoor, outdoor, marine, and food‑area applications. Won’t rust like plain steel.\u003c\/li\u003e\n\u003cli\u003e⚙️\u003cbr\u003e\u003cstrong\u003ePhillips drive\u003c\/strong\u003e – Standard cross recess works with most screwdrivers and bits. Good torque transfer with reduced cam‑out.\u003c\/li\u003e\n\u003cli\u003e📏 \u003cstrong\u003eTwo metric diameters\u003c\/strong\u003e – M3 (3mm) and M3.5 (3.5mm). Perfect for electronics, small machinery, and light assembly.\u003c\/li\u003e\n\u003cli\u003e📐 \u003cstrong\u003eWide length range: 3mm – 120mm (including head)\u003c\/strong\u003e – From tiny 3mm screws for miniature hinges up to 120mm for thick wood or machinery mounts.\u003c\/li\u003e\n\u003cli\u003e⚙️ \u003cstrong\u003eFully threaded\u003c\/strong\u003e – Threads run the entire length of the screw from under the head to the tip. Provides consistent holding power regardless of material thickness.\u003c\/li\u003e\n\u003cli\u003e💪 \u003cstrong\u003eCoarse metric thread\u003c\/strong\u003e – Standard pitch for easy starting and good holding in most materials.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Specifications Table --\u003e\n\u003ch2\u003e📏 Specifications – M3 \u0026amp; M3.5 Countersunk Screws (A2 Stainless)\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\" class=\"hdiy-table-wrapper\"\u003e\n\u003ctable class=\"hdiy-specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePhillips Countersunk Flat Head Machine Screws \/ Bolts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eA2 Stainless Steel (304 \/ 18-8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread diameters\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM3 (3mm), M3.5 (3.5mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e3mm – 120mm (measured including the head)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetric coarse, fully threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHead style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCountersunk \/ Flat head (90° cone)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePhillips cross recess\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCorrosion resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eExcellent – suitable for outdoor, marine, high‑humidity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFurniture, hinges, electronics, instrument repair, marine hardware, automotive trim\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 0.85rem; margin-top: 0.5rem;\" class=\"hdiy-note\"\u003e📐 Length is measured from the top of the head to the tip (overall length). All screws are fully threaded.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ Section – all expanded --\u003e\n\u003ch2\u003e❓ Frequently Asked Questions – Countersunk Phillips Machine Screws\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e1. Do I need to countersink the hole for these screws to sit flush?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – for the head to be flush with the surface, you must drill a matching 90° countersink hole. If you drive them into a straight hole, the head will sit proud. Use a countersink bit the same size as the screw head. In soft wood, you can sometimes tap the head in with a hammer, but proper countersinking gives a much cleaner result.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e2. How is the length measured for these screws? Does it include the head?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – for countersunk screws, the overall length includes the head. Place the screw on a ruler with the top of the head flat against the zero mark – measure to the tip. So an “M3 x 20mm” screw has a total length of 20mm from the top of the head to the tip.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e3. What’s the difference between M3 and M3.5? When would I use M3.5?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eM3 is 3mm diameter, M3.5 is 3.5mm. M3 is very common for electronics, 3D printers, and small appliances. M3.5 is a less common size but used in some European appliances, older audio equipment, and specific machinery. If you’re replacing an existing screw, measure the diameter or check the original specs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e4. Are these screws suitable for outdoor use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eAbsolutely – A2 stainless (304) is highly corrosion‑resistant. It’s perfect for outdoor furniture, garden equipment, boat fittings, and coastal environments. For continuous saltwater immersion, A4 (316) is better, but for 99% of outdoor DIY, A2 is excellent.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e5. Can I use these screws with a nut, or do they need a tapped hole?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eBoth. You can thread them into a pre‑tapped hole of the same metric size, or pair them with a standard metric nut (M3 nut for M3 screw, M3.5 nut for M3.5 screw). They are machine screws – not self‑tapping.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e6. What Phillips screwdriver size should I use?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eFor M3 and M3.5 screws, a #1 Phillips screwdriver is typically the correct size. For very small M3 screws (3-6mm length), a #0 may work, but #1 is standard. Avoid using a #2 – it will be too large and may damage the cross recess.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .hdiy-csk-screws {\n    max-width: 100%;\n    margin: 0;\n    padding: 0;\n    color: #1a1a1a;\n    line-height: 1.5;\n  }\n  .hdiy-csk-screws h2 {\n    font-size: 1.75rem;\n    margin: 1.5rem 0 0.75rem 0;\n    font-weight: 600;\n    border-bottom: 2px solid #eaeaea;\n    padding-bottom: 0.5rem;\n  }\n  .hdiy-csk-screws h2:first-of-type {\n    margin-top: 0;\n  }\n  .hdiy-csk-screws p {\n    margin-bottom: 1rem;\n    font-size: 1rem;\n  }\n  .hdiy-feature-list {\n    list-style: none;\n    padding-left: 0;\n    margin: 1rem 0;\n  }\n  .hdiy-feature-list li {\n    margin-bottom: 0.75rem;\n    padding-left: 0.25rem;\n    font-size: 1rem;\n    display: flex;\n    align-items: flex-start;\n    gap: 0.5rem;\n  }\n  .hdiy-feature-list li strong {\n    font-weight: 600;\n  }\n  .hdiy-table-wrapper {\n    margin: 1.25rem 0;\n    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Brass Phillips Countersunk Screws – Fully Threaded, Flat Head (5mm–25mm Lengths)\u003c\/h2\u003e\n\u003cp\u003eYou’re restoring an antique clock, building a decorative wooden box, or working on a marine electrical panel – and you need screws that look as good as they perform. These M3 brass countersunk screws combine the classic warmth of brass with the practicality of a Phillips drive. The flat head sinks flush into a pre‑drilled countersink, leaving a smooth, snag‑free surface. Made from solid brass, they resist corrosion, offer good conductivity, and develop a beautiful natural patina over time. Fully threaded from 5mm up to 25mm length (under head). Perfect for woodworking, instrument repair, boat fittings, and any project where ordinary steel screws would look out of place.\u003c\/p\u003e\n\u003c!-- Features Section --\u003e\n\u003ch2\u003e✨ Key Features – M3 Brass Countersunk Machine Screws\u003c\/h2\u003e\n\u003cul class=\"hdiy-feature-list\"\u003e\n\u003cli\u003e🔽 \u003cstrong\u003eCountersunk flat head (90°)\u003c\/strong\u003e – Designed to sit flush with the surface after countersinking. Ideal for a clean, professional finish on wood and soft metals.\u003c\/li\u003e\n\u003cli\u003e🛡️ \u003cstrong\u003eSolid brass construction\u003c\/strong\u003e – Naturally corrosion resistant, non‑magnetic, and electrically conductive. Develops an attractive patina over time – perfect for vintage or marine applications.\u003c\/li\u003e\n\u003cli\u003e📏\u003cbr\u003e\u003cstrong\u003ePhillips drive\u003c\/strong\u003e – Standard cross recess provides good torque transfer with reduced cam‑out compared to slotted drives.\u003c\/li\u003e\n\u003cli\u003e📏 \u003cstrong\u003eM3 metric thread (3mm diameter)\u003c\/strong\u003e – Widely used size for electronics, furniture, and light assembly.\u003c\/li\u003e\n\u003cli\u003e📐 \u003cstrong\u003eLengths from 5mm to 25mm (under head)\u003c\/strong\u003e – Available sizes: M3x5, M3x6, M3x8, M3x10, M3x12, M3x16, M3x20, M3x25. Fully threaded – maximum grip in shallow holes.\u003c\/li\u003e\n\u003cli\u003e✨ \u003cstrong\u003eSmooth, burr‑free finish\u003c\/strong\u003e – Precision machined threads for consistent fastening. No sharp edges.\u003c\/li\u003e\n\u003cli\u003e📦 \u003cstrong\u003ePlastic bag or carton box packaging\u003c\/strong\u003e – Keeps screws organized and protected.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Specifications Table --\u003e\n\u003ch2\u003e📏 Available Sizes – M3 Brass Countersunk Phillips Screws\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\" class=\"hdiy-table-wrapper\"\u003e\n\u003ctable class=\"hdiy-specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Diameter\u003c\/th\u003e\n\u003cth\u003eLength (under head, mm)\u003c\/th\u003e\n\u003cth\u003eOverall Length (including head, approx.)\u003c\/th\u003e\n\u003cth\u003eFully Threaded\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003ctd\u003e~5.8mm\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e6\u003c\/td\u003e\n\u003ctd\u003e~6.8mm\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003ctd\u003e~8.8mm\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e10\u003c\/td\u003e\n\u003ctd\u003e~10.8mm\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e12\u003c\/td\u003e\n\u003ctd\u003e~12.8mm\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e16\u003c\/td\u003e\n\u003ctd\u003e~16.8mm\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e20\u003c\/td\u003e\n\u003ctd\u003e~20.8mm\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM3\u003c\/td\u003e\n\u003ctd\u003e25\u003c\/td\u003e\n\u003ctd\u003e~25.8mm\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp style=\"font-size: 0.85rem; margin-top: 0.5rem;\" class=\"hdiy-note\"\u003e📐 Length is measured from the underside of the head to the tip (grip length). All screws are fully threaded. Overall length includes the flat head (approx. +0.8mm).\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Technical Specifications Table --\u003e\n\u003ch2\u003e📋 Full Specifications – Brass Countersunk Machine Screws\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x: auto;\" class=\"hdiy-table-wrapper\"\u003e\n\u003ctable class=\"hdiy-specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct name\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM3 Brass Phillips Countersunk Flat Head Machine Screws\/Bolts\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSolid brass (leaded or unleaded – standard brass alloy)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandard\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetric (GB\/T equivalent to DIN\/ISO)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread diameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM3 (3mm nominal)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eLength options\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e5, 6, 8, 10, 12, 16, 20, 25 mm (under head)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHead style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCountersunk \/ Flat (90° cone)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePhillips (cross recess)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMetric coarse (0.5mm pitch), fully threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCorrosion resistance\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eGood – suitable for indoor and light outdoor use (forms protective patina)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eWoodworking, furniture, instrument repair, marine hardware, electronics, vintage restoration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ Section – all expanded --\u003e\n\u003ch2\u003e❓ Frequently Asked Questions – Brass Countersunk Screws\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e1. Do I need to countersink the hole for these screws to sit flush?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – for the head to be perfectly flush with the surface, you must drill a matching 90° countersink hole. Use a countersink bit slightly larger than the screw head diameter. In soft wood, you can sometimes tap the head in with a hammer, but proper countersinking gives a much cleaner result and prevents the wood from splitting.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e2. Are these screws strong enough for furniture assembly?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eBrass is softer than steel, so these screws are best for light to medium duty applications – think decorative hinges, small drawer pulls, instrument mounting, or electrical connections. For heavy structural loads (e.g., bed frames, shelving), use steel screws. For most furniture accents and light assembly, brass is perfectly adequate and looks beautiful.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e3. Will brass screws rust or tarnish over time?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eBrass does not rust (it contains no iron). It does develop a natural patina – first darkening, then sometimes turning greenish (verdigris) in humid or marine environments. Many people prefer this aged look for vintage projects. If you want to keep them shiny, apply a clear lacquer or polish periodically.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e4. Can I use these screws in marine or outdoor applications?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes – brass is corrosion‑resistant in saltwater and fresh water, making it a good choice for boat fittings, dock hardware, and outdoor furniture. However, avoid direct contact with aluminum or galvanized steel in wet conditions, as galvanic corrosion can occur (brass is more noble). Use isolation washers or dielectric grease if mixing metals.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e5. How do I measure the length of a countersunk screw?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eFor countersunk flat head screws, the length is measured from the underside of the head (the bearing surface) to the tip. The head itself is not included in the length. So an “M3 x 10mm” screw has a 10mm long threaded portion under the head. Our list follows this standard.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e6. Do these screws come with matching brass nuts or washers?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eThis listing is for screws only. We also sell brass hex nuts and flat washers separately – check our store for M3 brass hardware. Using brass nuts with brass screws ensures no galvanic issues and a consistent appearance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cstyle\u003e\n  .hdiy-brass-csk-screws {\n    max-width: 100%;\n    margin: 0;\n    padding: 0;\n    color: #1a1a1a;\n    line-height: 1.5;\n  }\n  .hdiy-brass-csk-screws h2 {\n    font-size: 1.75rem;\n    margin: 1.5rem 0 0.75rem 0;\n    font-weight: 600;\n    border-bottom: 2px solid #eaeaea;\n    padding-bottom: 0.5rem;\n  }\n  .hdiy-brass-csk-screws h2:first-of-type {\n    margin-top: 0;\n  }\n  .hdiy-brass-csk-screws p {\n    margin-bottom: 1rem;\n    font-size: 1rem;\n  }\n  .hdiy-feature-list {\n    list-style: none;\n    padding-left: 0;\n    margin: 1rem 0;\n  }\n  .hdiy-feature-list li {\n    margin-bottom: 0.75rem;\n    padding-left: 0.25rem;\n    font-size: 1rem;\n    display: flex;\n    align-items: flex-start;\n    gap: 0.5rem;\n  }\n  .hdiy-feature-list li strong {\n    font-weight: 600;\n  }\n  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   }\n    .hdiy-specs-table th,\n    .hdiy-specs-table td {\n      padding: 8px 10px;\n      font-size: 0.85rem;\n    }\n  }\n\u003c\/style\u003e","brand":"HomeDIYer","offers":[{"title":"M3*5 \/ 10","offer_id":52260267491602,"sku":"GLFBLLSGB10188x10","price":2.76,"currency_code":"USD","in_stock":true},{"title":"M3*5 \/ 20","offer_id":52260267524370,"sku":"GLFBLLSGB10188x20","price":3.18,"currency_code":"USD","in_stock":true},{"title":"M3*5 \/ 30","offer_id":52260267557138,"sku":"GLFBLLSGB10188x30","price":3.41,"currency_code":"USD","in_stock":true},{"title":"M3*5 \/ 50","offer_id":52260267589906,"sku":"GLFBLLSGB10188x50","price":4.01,"currency_code":"USD","in_stock":true},{"title":"M3*5 \/ 100","offer_id":52260267622674,"sku":"GLFBLLSGB10188x100","price":6.77,"currency_code":"USD","in_stock":true},{"title":"M3*6 \/ 10","offer_id":52260267655442,"sku":"GLFBLLSGB10189x10","price":3.17,"currency_code":"USD","in_stock":true},{"title":"M3*6 \/ 20","offer_id":52260267688210,"sku":"GLFBLLSGB10189x20","price":3.62,"currency_code":"USD","in_stock":true},{"title":"M3*6 \/ 30","offer_id":52260267720978,"sku":"GLFBLLSGB10189x30","price":4.07,"currency_code":"USD","in_stock":true},{"title":"M3*6 \/ 50","offer_id":52260267753746,"sku":"GLFBLLSGB10189x50","price":5.24,"currency_code":"USD","in_stock":true},{"title":"M3*6 \/ 100","offer_id":52260267786514,"sku":"GLFBLLSGB10189x100","price":9.23,"currency_code":"USD","in_stock":true},{"title":"M3*8 \/ 10","offer_id":52260267819282,"sku":"GLFBLLSGB10190x10","price":3.22,"currency_code":"USD","in_stock":true},{"title":"M3*8 \/ 20","offer_id":52260267852050,"sku":"GLFBLLSGB10190x20","price":3.71,"currency_code":"USD","in_stock":true},{"title":"M3*8 \/ 30","offer_id":52260267884818,"sku":"GLFBLLSGB10190x30","price":4.2,"currency_code":"USD","in_stock":true},{"title":"M3*8 \/ 50","offer_id":52260267917586,"sku":"GLFBLLSGB10190x50","price":5.93,"currency_code":"USD","in_stock":true},{"title":"M3*8 \/ 100","offer_id":52260267950354,"sku":"GLFBLLSGB10190x100","price":10.61,"currency_code":"USD","in_stock":true},{"title":"M3*10 \/ 10","offer_id":52260267983122,"sku":"GLFBLLSGB10191x10","price":3.32,"currency_code":"USD","in_stock":true},{"title":"M3*10 \/ 20","offer_id":52260268015890,"sku":"GLFBLLSGB10191x20","price":3.92,"currency_code":"USD","in_stock":true},{"title":"M3*10 \/ 30","offer_id":52260268048658,"sku":"GLFBLLSGB10191x30","price":4.5,"currency_code":"USD","in_stock":true},{"title":"M3*10 \/ 50","offer_id":52260268081426,"sku":"GLFBLLSGB10191x50","price":6.42,"currency_code":"USD","in_stock":true},{"title":"M3*10 \/ 100","offer_id":52260268114194,"sku":"GLFBLLSGB10191x100","price":11.59,"currency_code":"USD","in_stock":true},{"title":"M3*12 \/ 10","offer_id":52260268146962,"sku":"GLFBLLSGB10192x10","price":3.37,"currency_code":"USD","in_stock":true},{"title":"M3*12 \/ 20","offer_id":52260268179730,"sku":"GLFBLLSGB10192x20","price":4.01,"currency_code":"USD","in_stock":true},{"title":"M3*12 \/ 30","offer_id":52260268212498,"sku":"GLFBLLSGB10192x30","price":4.66,"currency_code":"USD","in_stock":true},{"title":"M3*12 \/ 50","offer_id":52260268245266,"sku":"GLFBLLSGB10192x50","price":6.94,"currency_code":"USD","in_stock":true},{"title":"M3*12 \/ 100","offer_id":52260268278034,"sku":"GLFBLLSGB10192x100","price":12.62,"currency_code":"USD","in_stock":true},{"title":"M3*16 \/ 10","offer_id":52260268310802,"sku":"GLFBLLSGB10193x10","price":3.52,"currency_code":"USD","in_stock":true},{"title":"M3*16 \/ 20","offer_id":52260268343570,"sku":"GLFBLLSGB10193x20","price":4.31,"currency_code":"USD","in_stock":true},{"title":"M3*16 \/ 30","offer_id":52260268376338,"sku":"GLFBLLSGB10193x30","price":5.45,"currency_code":"USD","in_stock":true},{"title":"M3*16 \/ 50","offer_id":52260268409106,"sku":"GLFBLLSGB10193x50","price":8.24,"currency_code":"USD","in_stock":true},{"title":"M3*16 \/ 100","offer_id":52260268441874,"sku":"GLFBLLSGB10193x100","price":15.23,"currency_code":"USD","in_stock":true},{"title":"M3*20 \/ 10","offer_id":52260268474642,"sku":"GLFBLLSGB10194x10","price":3.62,"currency_code":"USD","in_stock":true},{"title":"M3*20 \/ 20","offer_id":52260268507410,"sku":"GLFBLLSGB10194x20","price":4.58,"currency_code":"USD","in_stock":true},{"title":"M3*20 \/ 30","offer_id":52260268540178,"sku":"GLFBLLSGB10194x30","price":6.24,"currency_code":"USD","in_stock":true},{"title":"M3*20 \/ 50","offer_id":52260268572946,"sku":"GLFBLLSGB10194x50","price":9.57,"currency_code":"USD","in_stock":true},{"title":"M3*20 \/ 100","offer_id":52260268605714,"sku":"GLFBLLSGB10194x100","price":17.9,"currency_code":"USD","in_stock":true},{"title":"M3*25 \/ 10","offer_id":52260268638482,"sku":"GLFBLLSGB10195x10","price":3.71,"currency_code":"USD","in_stock":true},{"title":"M3*25 \/ 20","offer_id":52260268671250,"sku":"GLFBLLSGB10195x20","price":4.77,"currency_code":"USD","in_stock":true},{"title":"M3*25 \/ 30","offer_id":52260268704018,"sku":"GLFBLLSGB10195x30","price":6.54,"currency_code":"USD","in_stock":true},{"title":"M3*25 \/ 50","offer_id":52260268736786,"sku":"GLFBLLSGB10195x50","price":10.06,"currency_code":"USD","in_stock":true},{"title":"M3*25 \/ 100","offer_id":52260268769554,"sku":"GLFBLLSGB10195x100","price":18.88,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/5d1d8f88-a3bf-4169-9497-8d0f4213baea.jpg?v=1778920289"},{"product_id":"aluminium-countersunk-screws-din7991-m2-m8","title":"6063 Aluminium Allen Socket Countersunk Screws DIN 7991 — M2 to M8","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eAluminium Countersunk Screws DIN 7991 — Flush-Fit Fastening for Lightweight Builds\u003c\/h2\u003e\n\u003cp\u003eWhen you need a clean, flush surface finish without adding unnecessary weight, standard steel screws simply don't cut it. Engineers, makers, RC hobbyists, and fabricators working with aluminium frames, electronics enclosures, and carbon fiber panels need a fastener that disappears into the surface — and won't corrode or add bulk. These 6063 aluminium Allen socket countersunk screws are built for exactly that job.\u003c\/p\u003e\n\u003cp\u003eEach screw is machined from 6063 aluminium alloy and conforms to the DIN 7991 standard with a 90° countersunk head and a hex socket (Allen) drive. Available in sizes from M2 x 4mm (≈5\/32\" x 5\/32\") up to M8 x 40mm (≈5\/16\" x 1-9\/16\"), with quantity options ranging from 20 to 1,000 pieces per order. The thread pitch follows the ISO metric coarse standard throughout the range.\u003c\/p\u003e\n\u003cp\u003eTypical applications include aluminium extrusion assemblies, drone and RC frame builds requiring lightweight metric fasteners, electronics enclosure panels, acrylic and polycarbonate fixtures, and carbon fiber composite structures where galvanic compatibility and flush-head aluminium screws are required.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003eℹ️\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e ISO metric thread (DIN 7991) — fits standard metric tapped holes M2–M8. Not compatible with UNC\/UNF inch threads. Requires a metric hex key (Allen wrench): 1.5mm for M2 up to 6mm for M8.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These Aluminium Countersunk Screws DIN 7991\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLightweight 6063 Aluminium Alloy\u003c\/strong\u003e — Significantly lighter than steel equivalents, making these flush-head aluminium screws ideal for weight-sensitive builds like drone frames and portable enclosures.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e90° DIN 7991 Countersunk Head\u003c\/strong\u003e — The flat, flush-sitting head conforms to the DIN 7991 standard, compatible with standard 90° countersunk holes in aluminium, plastic, and composite panels.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔑\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eHex Socket (Allen) Drive\u003c\/strong\u003e — Internal hex drive allows high torque application in tight spaces without the cam-out risk of Phillips or slotted heads, critical for aluminium's softer material.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eNatural Corrosion Resistance\u003c\/strong\u003e — 6063 aluminium forms a protective oxide layer, offering good resistance to atmospheric corrosion — suitable for indoor and general outdoor applications without additional coating.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Size Range M2–M8\u003c\/strong\u003e — Covers the most common metric countersunk screw sizes from M2 x 4mm up to M8 x 40mm, reducing the need to source from multiple suppliers for a single project.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Quantity Options\u003c\/strong\u003e — Order from 20 pieces for prototyping up to 1,000 pieces for production runs, with per-unit cost scaling down at higher quantities.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — Aluminium Countersunk Screws DIN 7991\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e6063 Aluminium Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003ctd\u003eDIN 7991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Type\u003c\/th\u003e\n\u003ctd\u003eCountersunk (Flat Head), 90° angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003eHex Socket (Allen \/ Internal Hex)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eISO Metric Coarse (M-series)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSize Range (Diameter)\u003c\/th\u003e\n\u003ctd\u003eM2, M2.5, M3, M4, M5, M6, M8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Range\u003c\/th\u003e\n\u003ctd\u003e4mm (≈5\/32\") to 40mm (≈1-9\/16\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHex Key Size\u003c\/th\u003e\n\u003ctd\u003e1.5mm (M2) \/ 2mm (M2.5) \/ 2.5mm (M3) \/ 3mm (M4) \/ 4mm (M5) \/ 5mm (M6) \/ 6mm (M8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTensile Strength (typical)\u003c\/th\u003e\n\u003ctd\u003eTypically 145–186 MPa (see variant options for specific sizes)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eMill finish (natural aluminium)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity Options\u003c\/th\u003e\n\u003ctd\u003e20 \/ 40 \/ 50 \/ 100 \/ 200 \/ 500 \/ 1000 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGalvanic Compatibility\u003c\/th\u003e\n\u003ctd\u003eCompatible with aluminium substrates; contact us to confirm for other materials\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eNote:\u003c\/strong\u003e Aluminium screws are softer than steel. Always use a correctly sized hex key and avoid over-torquing. For high-vibration or high-load structural applications, confirm suitability before ordering.\u003c\/div\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right length for my aluminium countersunk screw?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eFor countersunk screws, the listed length is the total length including the head. Measure the full depth of the countersunk hole plus the material thickness you need to fasten. For example, an M3 x 10mm (≈3\/8\") screw is typically used for panels up to 8–10mm thick. When in doubt, choose a length that allows the head to sit flush or just below the surface.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the tensile strength of 6063 aluminium screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003e6063 aluminium alloy generally has a tensile strength of around 145–186 MPa (21,000–27,000 psi) depending on temper. These screws are suitable for light-to-medium duty fastening in aluminium frames, electronics enclosures, and non-structural assemblies. For high-load structural applications, contact us to confirm suitability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these aluminium screws suitable for outdoor or marine use?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003e6063 aluminium has good natural corrosion resistance due to its oxide layer, making it generally suitable for outdoor environments. However, in highly corrosive marine or salt-spray environments, additional anodizing or protective coating is recommended. Contact us to confirm if your specific application requires treated fasteners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat thread standard do these screws use — are they compatible with my tapped holes?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese screws follow the ISO metric thread standard (DIN 7991 specification), with coarse pitch threads. M2 through M8 sizes are compatible with standard metric tapped holes and nuts. They are not compatible with UNC\/UNF inch-standard threads. If your project uses inch threads, contact us before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat hex key (Allen wrench) size do I need for each screw size?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe required hex key size varies by screw diameter: M2 typically uses a 1.5mm hex key, M2.5 uses 2mm, M3 uses 2.5mm, M4 uses 3mm, M5 uses 4mm, M6 uses 5mm, and M8 uses 6mm. Always use a well-fitting key to avoid stripping the socket, especially in softer aluminium.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these screws with aluminium, plastic, or carbon fiber panels?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. These aluminium countersunk screws are commonly used with aluminium extrusions, aluminium sheet, acrylic, polycarbonate, and carbon fiber composite panels. Using aluminium fasteners with aluminium substrates also eliminates galvanic corrosion risk. For plastic panels, pre-drilling and using the correct tap size is recommended.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the head angle, and will it fit standard countersunk holes?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003ePer DIN 7991, the countersunk head angle is 90 degrees. This is the standard metric countersunk angle and is compatible with 90° countersunk drill bits and pre-drilled countersunk holes in most aluminium and plastic components. If your application uses an 82° countersink (common in inch-standard tooling), the head will not sit flush — contact us to confirm.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003escrew size and quantity\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M2 x 4mm \/ 20","offer_id":52284626665746,"sku":"AATYHTTWWHSHUJU658x1","price":6.51,"currency_code":"USD","in_stock":true},{"title":"M2 x 4mm \/ 40","offer_id":52284626698514,"sku":"AATYHTTWWHSHUJU658x2","price":7.22,"currency_code":"USD","in_stock":true},{"title":"M2 x 4mm \/ 100","offer_id":52284626731282,"sku":"AATYHTTWWHSHUJU658x5","price":14.95,"currency_code":"USD","in_stock":true},{"title":"M2 x 4mm \/ 200","offer_id":52284626764050,"sku":"AATYHTTWWHSHUJU658x10","price":27.8,"currency_code":"USD","in_stock":true},{"title":"M2 x 4mm \/ 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}\n\u003c\/style\u003e\n\u003cdiv class=\"hdiy-product-wrap\"\u003e\n\u003c!-- Product Overview --\u003e\n\u003ch2\u003e🔩 Product Overview: A2 Stainless Steel Socket Countersunk Screws – ISO 10642 (M3, M4, M5)\u003c\/h2\u003e\n\u003cp\u003eFor a flush, professional finish combined with the high torque of a hex socket drive, these A2 stainless steel countersunk socket screws are an excellent choice. Made from grade A2-70 stainless steel (304 equivalent) and manufactured to ISO 10642 \/ DIN 7991 standards, they offer exceptional corrosion resistance, high strength, and reliable performance. The 90° flat head sinks perfectly into countersunk holes, leaving a smooth, snag‑free surface – ideal for machinery, automotive, marine, and construction applications. The internal hex (Allen) drive allows you to apply high torque without cam‑out, even in tight spaces. Available in M3, M4, and M5 metric sizes, fully threaded with standard coarse pitch. Multiple lengths available – select what you need.\u003c\/p\u003e\n\u003c!-- Key Features List --\u003e\n\u003ch2\u003e✨ Why Choose A2-70 Stainless Steel Countersunk Socket Screws\u003c\/h2\u003e\n\u003cul class=\"hdiy-features-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eA2-70 stainless steel (304 grade)\u003c\/strong\u003e – Excellent corrosion resistance, high strength, and superior durability. Ideal for indoor, outdoor, and marine applications.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCountersunk flat head (90°)\u003c\/strong\u003e – Sits flush in tapered holes for a professional, snag‑free finish. Enhances both functionality and aesthetics.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHex socket (Allen) drive\u003c\/strong\u003e – 6‑point internal hex allows easy application with compatible tools while preventing slippage and cam‑out.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eISO 10642 \/ DIN 7991 compliant\u003c\/strong\u003e – Precision dimensions and consistent thread geometry for reliable fastening in high‑stress environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMetric sizes M3, M4, M5\u003c\/strong\u003e – Covers the most common small‑to‑medium diameters for electronics, machinery, furniture, and automotive repair.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully threaded, coarse metric pitch\u003c\/strong\u003e – M3x0.5, M4x0.7, M5x0.8. Threads run the entire length for maximum grip.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWide application range\u003c\/strong\u003e – Construction, automotive repair, marine, industrial machinery, DIY projects, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- Specifications Table --\u003e\n\u003ch2\u003e📏 Technical Specifications – Socket Countersunk Screws (ISO 10642)\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrapper\"\u003e\n\u003ctable class=\"hdiy-specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Name\u003c\/th\u003e\n\u003ctd\u003eSocket Countersunk Screws (Hex drive, flat head)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003ctd\u003eISO 10642 \/ DIN 7991\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eA2-70 Stainless Steel (304 \/ 18-8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eGrade\u003c\/th\u003e\n\u003ctd\u003eA2-70 (tensile strength 700 N\/mm²)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003eHex key (Allen) – internal hex socket\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eCountersunk flat head (90°)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSystem of Measurement\u003c\/th\u003e\n\u003ctd\u003eMetric\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eRight-hand, coarse pitch, fully threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eScrew Sizes (Diameter)\u003c\/th\u003e\n\u003ctd\u003eM3, M4, M5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Pitches\u003c\/th\u003e\n\u003ctd\u003eM3x0.5mm, M4x0.7mm, M5x0.8mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength\u003c\/th\u003e\n\u003ctd\u003eSelect from options (typical: 4–50mm depending on size)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Thread Pitch Reference Table --\u003e\n\u003ch3\u003e📊 Thread Pitch Reference\u003c\/h3\u003e\n\u003cdiv class=\"hdiy-table-wrapper\"\u003e\n\u003ctable class=\"hdiy-specs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003cth\u003ePitch (mm)\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eM3\u003c\/th\u003e\n\u003ctd\u003e0.5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eM4\u003c\/th\u003e\n\u003ctd\u003e0.7\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eM5\u003c\/th\u003e\n\u003ctd\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c!-- Frequently Asked Questions --\u003e\n\u003ch2\u003e❓ FAQs – Countersunk Hex Socket Screws\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cdiv class=\"hdiy-faq-question\"\u003e🔸 What is the difference between ISO 10642 and DIN 7991?\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-answer\"\u003eISO 10642 is the international standard for countersunk socket head screws and is technically equivalent to DIN 7991. Both standards specify the same dimensions and tolerances. These screws are manufactured to meet both.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cdiv class=\"hdiy-faq-question\"\u003e🔸 How is length measured for countersunk screws?\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-answer\"\u003eFor countersunk screws, length is measured as total screw length including the head – from the top of the flat head to the tip. For example, an M5 x 20mm screw is 20mm long overall. This matches ISO 10642 \/ DIN 7991 standards.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cdiv class=\"hdiy-faq-question\"\u003e🔸 Are these screws fully threaded? What hex key size do I need?\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-answer\"\u003eYes – they are fully threaded. Hex key sizes: M3 uses 2mm, M4 uses 2.5mm, M5 uses 3mm. A quality metric hex key set will cover these sizes.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cdiv class=\"hdiy-faq-question\"\u003e🔸 Will A2 stainless steel rust in coastal or marine environments?\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-answer\"\u003eA2 (304) stainless offers good corrosion resistance, but for direct saltwater immersion or high‑chloride environments, A4 (316) stainless is recommended. For general outdoor and above‑water marine use, A2 performs well for many years.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cdiv class=\"hdiy-faq-question\"\u003e🔸 Can I use these screws with nuts, or are they for tapped holes only?\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-answer\"\u003eThese are standard machine screws – they work with matching metric nuts (M3–M5) or in pre‑tapped holes. For a flush finish, use them in countersunk holes. For through‑hole applications, pair with A2 stainless nuts.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003cdiv class=\"hdiy-faq-question\"\u003e🔸 Do you offer bulk discounts or custom sizes?\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-answer\"\u003eYes – bulk orders qualify for maximum discounts. Customization is available. For alternative sizes not listed, please contact us for a quotation.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M3 x 6mm \/ 50","offer_id":52284650651922,"sku":"AATYHGY-KCSJ0050x50","price":7.37,"currency_code":"USD","in_stock":true},{"title":"M3 x 6mm \/ 100","offer_id":52284650684690,"sku":"AATYHGY-KCSJ0050x100","price":8.94,"currency_code":"USD","in_stock":true},{"title":"M3 x 6mm \/ 200","offer_id":52284650717458,"sku":"AATYHGY-KCSJ0050x200","price":15.72,"currency_code":"USD","in_stock":true},{"title":"M3 x 6mm \/ 500","offer_id":52284650750226,"sku":"AATYHGY-KCSJ0050x500","price":36.19,"currency_code":"USD","in_stock":true},{"title":"M3 x 6mm \/ 2000","offer_id":52284650782994,"sku":"AATYHGY-KCSJ0050x2000","price":152.81,"currency_code":"USD","in_stock":true},{"title":"M3 x 6mm \/ 5000","offer_id":52284650815762,"sku":"AATYHGY-KCSJ0050x5000","price":378.62,"currency_code":"USD","in_stock":true},{"title":"M3 x 8mm \/ 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20","offer_id":52284653830418,"sku":"AATYHGY-KCSJ0066x20","price":9.22,"currency_code":"USD","in_stock":true},{"title":"M5 x 20mm \/ 50","offer_id":52284653863186,"sku":"AATYHGY-KCSJ0066x50","price":19.94,"currency_code":"USD","in_stock":true},{"title":"M5 x 20mm \/ 100","offer_id":52284653895954,"sku":"AATYHGY-KCSJ0066x100","price":37.79,"currency_code":"USD","in_stock":true},{"title":"M5 x 20mm \/ 500","offer_id":52284653928722,"sku":"AATYHGY-KCSJ0066x500","price":207.62,"currency_code":"USD","in_stock":true},{"title":"M5 x 20mm \/ 1000","offer_id":52284653961490,"sku":"AATYHGY-KCSJ0066x1000","price":412.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_d97df759-726e-4bc3-ae43-9dc4e612b97e.jpg?v=1779347405"},{"product_id":"zinc-countersunk-screws-m4-m5-m6","title":"M4 M5 M6 Phillips Countersunk Screws – Zinc Plated Carbon Steel, 6–24mm Lengths (Bulk Pack)","description":"\u003c!-- Part 1: Product Description HTML for Shopify --\u003e\n\u003cdiv class=\"hdiy-zinc-countersunk-screws\"\u003e\n  \u003c!-- Product Overview Section --\u003e\n  \u003ch2\u003e🔩 M4 M5 M6 Phillips Countersunk Screws – Zinc Plated Carbon Steel, Fully Threaded (6–24mm Overall Length)\u003c\/h2\u003e\n  \u003cp\u003eYou’re assembling a motor cover, securing a control panel, or fitting hidden hinges – and you need screws that sit perfectly flush and resist rust over time. These M4, M5 and M6 countersunk screws are made from carbon steel with a protective zinc plating, giving you good corrosion resistance for indoor and light outdoor use. The flat 90° head sinks flush into a pre‑drilled countersink, leaving a smooth, professional surface. The Phillips drive works with common crosshead screwdrivers or power tools. Available in lengths from 6mm to 24mm (overall length including head). Fully threaded. Ideal for electronics, mechanical equipment, automotive trim, and furniture hardware.\u003c\/p\u003e\n\n  \u003c!-- Features Section --\u003e\n  \u003ch2\u003e✨ Key Features – Zinc Plated Countersunk Phillips Screws\u003c\/h2\u003e\n  \u003cul class=\"hdiy-feature-list\"\u003e\n    \u003cli\u003e🔽 \u003cstrong\u003eCountersunk flat head (90°)\u003c\/strong\u003e – Flush fit prevents snagging, ideal for hidden fastening and smooth finishes.\u003c\/li\u003e\n    \u003cli\u003e🧪 \u003cstrong\u003eZinc plated carbon steel\u003c\/strong\u003e – Protects against rust and moisture. Suitable for humid or industrial environments.\u003c\/li\u003e\n    \u003cli\u003e💪 \u003cstrong\u003eHigh mechanical strength\u003c\/strong\u003e – Carbon steel with good hardness and tensile strength. Phillips drive for easy installation with power tools.\u003c\/li\u003e\n    \u003cli\u003e📏 \u003cstrong\u003eMetric sizes M4, M5, M6\u003c\/strong\u003e – Popular diameters for mechanical equipment, automotive, and furniture.\u003c\/li\u003e\n    \u003cli\u003e📐 \u003cstrong\u003eOverall lengths 6mm to 24mm (including head)\u003c\/strong\u003e – Example: M4 x 10mm means total length from top of head to tip is 10mm. Fully threaded.\u003c\/li\u003e\n    \u003cli\u003e🔧 \u003cstrong\u003eWidely used\u003c\/strong\u003e – Electronics (laptop cases), mechanical equipment (motor covers, control panels), automotive (ECU boxes, dashboard brackets), and furniture (hinges, drawer slides).\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003c!-- Specifications Table --\u003e\n  \u003ch2\u003e📏 Available Sizes – M4 M5 M6 Countersunk Screws (Overall Length)\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrapper\" style=\"overflow-x: auto;\"\u003e\n    \u003ctable class=\"hdiy-specs-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n          \u003cth\u003eThread Diameter (M)\u003c\/th\u003e\n          \u003cth\u003eOverall Lengths (mm) *\u003c\/th\u003e\n          \u003cth\u003eThread Pitch (mm)\u003c\/th\u003e\n          \u003cth\u003eHead Style\u003c\/th\u003e\n          \u003cth\u003eDrive\u003c\/th\u003e\n          \u003cth\u003eMaterial \/ Finish\u003c\/th\u003e\n        \u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\u003ctd colspan=\"6\" style=\"background:#f5f5f5; text-align:center;\"\u003e📐 Length = from top of head to tip (total screw length). Fully threaded. Select exact size from dropdown.\u003c\/td\u003e\u003c\/tr\u003e\n        \u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"dia\"\u003eM4\u003c\/td\u003e\n\u003ctd class=\"len\"\u003e6, 8, 10, 12, 16, 20, 24\u003c\/td\u003e\n\u003ctd class=\"pitch\"\u003e0.7\u003c\/td\u003e\n\u003ctd rowspan=\"3\"\u003eCountersunk \/ flat (90°)\u003c\/td\u003e\n\u003ctd rowspan=\"3\"\u003ePhillips\u003c\/td\u003e\n\u003ctd rowspan=\"3\"\u003eCarbon steel \/ Zinc plated\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"dia\"\u003eM5\u003c\/td\u003e\n\u003ctd class=\"len\"\u003e6, 8, 10, 12, 16, 20, 24\u003c\/td\u003e\n\u003ctd class=\"pitch\"\u003e0.8\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"dia\"\u003eM6\u003c\/td\u003e\n\u003ctd class=\"len\"\u003e6, 8, 10, 12, 16, 20, 24\u003c\/td\u003e\n\u003ctd class=\"pitch\"\u003e1.0\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n    \u003cp class=\"hdiy-note\" style=\"font-size:0.85rem; margin-top:0.5rem;\"\u003e* Lengths are typical – exact availability may vary. Bulk pack options available – select your quantity from dropdown.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- Application Guide Table --\u003e\n  \u003ch2\u003e📋 Common Applications for Zinc Plated Countersunk Screws\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrapper\" style=\"overflow-x: auto;\"\u003e\n    \u003ctable class=\"hdiy-specs-table\"\u003e\n      \u003cthead\u003e\n        \u003ctr\u003e\n\u003cth\u003eIndustry\u003c\/th\u003e\n\u003cth\u003eTypical Use\u003c\/th\u003e\n\u003cth\u003eRecommended Sizes\u003c\/th\u003e\n\u003c\/tr\u003e\n      \u003c\/thead\u003e\n      \u003ctbody\u003e\n        \u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"pro\"\u003eElectronics\u003c\/td\u003e\n\u003ctd class=\"desc\"\u003eSecuring laptop casings, mobile phone motherboards\u003c\/td\u003e\n\u003ctd class=\"desc\"\u003eM4\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"pro\"\u003eMechanical equipment\u003c\/td\u003e\n\u003ctd class=\"desc\"\u003eMotor covers, control panels, machine guards\u003c\/td\u003e\n\u003ctd class=\"desc\"\u003eM4, M5, M6\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"pro\"\u003eAutomotive\u003c\/td\u003e\n\u003ctd class=\"desc\"\u003eECU control boxes, dashboard brackets\u003c\/td\u003e\n\u003ctd class=\"desc\"\u003eM5, M6\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr class=\"hdiy-table-row\"\u003e\n\u003ctd class=\"pro\"\u003eFurniture\u003c\/td\u003e\n\u003ctd class=\"desc\"\u003eCabinet hinges, drawer slides (hidden installation)\u003c\/td\u003e\n\u003ctd class=\"desc\"\u003eM4, M5\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003c!-- FAQ Section – all expanded --\u003e\n  \u003ch2\u003e❓ Frequently Asked Questions – Zinc Plated Countersunk Screws\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n    \u003cdiv class=\"hdiy-faq-item\"\u003e\n      \u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e1. How do I measure the length of a countersunk screw?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp class=\"hdiy-faq-answer\"\u003eFor countersunk screws, the length is measured overall – from the top of the head to the tip. So an “M4 x 10mm” screw has a total length of 10mm including the head. This matches our listing.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-item\"\u003e\n      \u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e2. Do I need to countersink the hole for these screws to sit flush?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp class=\"hdiy-faq-answer\"\u003eYes – these are true 90° countersunk screws. To achieve a flush finish, drill a matching 90° countersink hole. Use a countersink bit of the appropriate size.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-item\"\u003e\n      \u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e3. Are these screws fully threaded?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp class=\"hdiy-faq-answer\"\u003eYes – all M4, M5, and M6 screws in this range are fully threaded from under the head to the tip, giving you maximum grip in blind holes or when using nuts.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-item\"\u003e\n      \u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e4. Will the zinc plating rust? Can I use these screws outdoors?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp class=\"hdiy-faq-answer\"\u003eZinc plating provides good corrosion resistance for indoor use and occasional light outdoor exposure (e.g., covered patios or garages). For continuous outdoor or marine environments, we recommend stainless steel. For most mechanical and furniture applications, zinc plated screws are perfectly adequate.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-item\"\u003e\n      \u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e5. What Phillips screwdriver size do I need for M4, M5, M6?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp class=\"hdiy-faq-answer\"\u003eFor M4 use #1, for M5 and M6 use #2 Phillips. Always use a driver that fits snugly to avoid cam‑out and head damage.\u003c\/p\u003e\n    \u003c\/div\u003e\n    \u003cdiv class=\"hdiy-faq-item\"\u003e\n      \u003cp class=\"hdiy-faq-question\"\u003e\u003cstrong\u003e6. Do you offer bulk packs? How many screws are in a pack?\u003c\/strong\u003e\u003c\/p\u003e\n      \u003cp class=\"hdiy-faq-answer\"\u003eYes – bulk pack quantities are available. Select your desired quantity from the dropdown (e.g., 10, 50, 100, etc.). Custom quantities can be arranged – please contact us.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cstyle\u003e\n  .hdiy-zinc-countersunk-screws {\n    max-width: 100%;\n    margin: 0;\n    padding: 0;\n    color: #1a1a1a;\n    line-height: 1.5;\n  }\n  .hdiy-zinc-countersunk-screws h2 {\n    font-size: 1.75rem;\n    margin: 1.5rem 0 0.75rem 0;\n    font-weight: 600;\n    border-bottom: 2px solid #eaeaea;\n    padding-bottom: 0.5rem;\n  }\n  .hdiy-zinc-countersunk-screws h2:first-of-type {\n    margin-top: 0;\n  }\n  .hdiy-zinc-countersunk-screws p {\n    margin-bottom: 1rem;\n    font-size: 1rem;\n  }\n  .hdiy-feature-list {\n    list-style: none;\n    padding-left: 0;\n    margin: 1rem 0;\n  }\n  .hdiy-feature-list li {\n    margin-bottom: 0.75rem;\n    padding-left: 0.25rem;\n    font-size: 1rem;\n    display: flex;\n    align-items: flex-start;\n    gap: 0.5rem;\n  }\n  .hdiy-feature-list li strong {\n    font-weight: 600;\n  }\n  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These titanium Phillips countersunk screws deliver the familiar cross-drive convenience of a Phillips head with the weight and corrosion advantages of titanium alloy — making them a practical upgrade for RC vehicle builders, drone assemblers, electronics enclosure fabricators, and bicycle mechanics who work with M2 through M4 hardware daily. The flat head profile seats flush with or below the mating surface, eliminating snag points on body panels, frame rails, and PCB mounting plates.\u003c\/p\u003e\n\u003cp\u003eEach pack contains your chosen quantity (10, 20, 30, 40, or 50 pieces) of a single size. Thread diameters available are M2, M2.5, M3, and M4; thread lengths range from 4mm (≈5\/32\") to 16mm (≈5\/8\"). The 90° countersunk flat head profile is designed to sit flush when installed in a properly countersunk hole. Material is titanium alloy, which is approximately 45% lighter than equivalent steel fasteners while offering inherent corrosion resistance without additional surface treatment.\u003c\/p\u003e\n\u003cp\u003eTypical applications include securing body panels and battery trays on RC cars and drones using M2 or M2.5 Phillips flat head screws, mounting PCBs and electronics enclosures where a flush surface is required, fastening aluminum frame sections and carbon fiber panels on road and mountain bikes with M3 or M4 titanium countersunk bolts, and replacing corroded or heavy steel screws in marine hardware and outdoor equipment where weight and rust resistance both matter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e ISO metric coarse thread — M2 (0.4mm pitch), M2.5 (0.45mm pitch), M3 (0.5mm pitch), M4 (0.7mm pitch). Phillips driver sizes: M2\/M2.5 → PH0 | M3 → PH1 | M4 → PH2. \u003cstrong\u003eNot compatible with UNC\/UNF inch threads.\u003c\/strong\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eCam-Out Warning:\u003c\/strong\u003e Phillips drives are more susceptible to cam-out than hex socket drives, especially in titanium. Always use a correctly sized, well-fitting driver and apply firm downward pressure. Do not overtighten. Contact us to confirm suitability for high-torque applications.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These Titanium Phillips Countersunk Screws\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e~45% Lighter Than Steel\u003c\/strong\u003e — Titanium alloy delivers a strength-to-weight ratio that makes these Phillips flat head screws a go-to choice for weight-sensitive builds. Replacing steel fasteners with titanium countersunk screws on an RC vehicle, drone frame, or bicycle can meaningfully reduce total mass without sacrificing clamping force.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eInherent Corrosion Resistance\u003c\/strong\u003e — Titanium forms a stable oxide layer that resists saltwater, humidity, and mild acids without any additional coating or plating. These titanium flat head machine bolts are a durable choice for marine hardware, outdoor electronics enclosures, and cycling components exposed to rain and road spray.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e90° Countersunk Flat Head Profile\u003c\/strong\u003e — The head sits flush with or below the mating surface when installed in a properly countersunk hole, eliminating snag points on body panels, frame rails, and carbon fiber sheets. Ideal for aerodynamic surfaces, PCB mounting plates, and tight-clearance assemblies.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eStandard Phillips Cross Drive\u003c\/strong\u003e — Compatible with PH0, PH1, and PH2 Phillips screwdrivers and power driver bits available at any hardware or hobby store. No specialty tools required, making these titanium countersunk bolts easy to install and remove during repeated assembly and disassembly cycles.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔬\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLow Galvanic Corrosion with Aluminum\u003c\/strong\u003e — Titanium and aluminum have a low galvanic potential difference, making these screws a technically sound choice for aluminum frames, CNC-machined parts, and anodized components where dissimilar-metal corrosion is a concern with steel fasteners.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFour Diameters, Five Pack Sizes\u003c\/strong\u003e — Available in M2, M2.5, M3, and M4 with lengths from 4mm (≈5\/32\") to 16mm (≈5\/8\"), in packs of 10 to 50 pieces. Buy 10 pcs for a single build or 50 pcs for workshop restocking — the per-unit cost decreases with larger quantities.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — Titanium Phillips Countersunk Machine Screws\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eCountersunk (Flat Head) Phillips Drive Machine Screw\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003ePhillips Cross Drive (PH)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Angle\u003c\/th\u003e\n\u003ctd\u003e90°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eTitanium Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTensile Strength\u003c\/th\u003e\n\u003ctd\u003eTypically ~900–1000 MPa (varies by alloy grade — contact us to confirm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eWeight vs. Steel\u003c\/th\u003e\n\u003ctd\u003eApproximately 45% lighter than equivalent alloy steel screws\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003ctd\u003eInherently corrosion-resistant (no additional coating required)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eISO Metric Coarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Thread Diameters\u003c\/th\u003e\n\u003ctd\u003eM2, M2.5, M3, M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Pitch\u003c\/th\u003e\n\u003ctd\u003eM2: 0.4mm | M2.5: 0.45mm | M3: 0.5mm | M4: 0.7mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Thread Lengths\u003c\/th\u003e\n\u003ctd\u003eM2: 4mm (≈5\/32\"), 6mm (≈1\/4\"), 8mm (≈5\/16\") — M2.5: 4mm (≈5\/32\"), 6mm (≈1\/4\"), 8mm (≈5\/16\"), 10mm (≈3\/8\") — M3: 6mm (≈1\/4\"), 8mm (≈5\/16\"), 10mm (≈3\/8\"), 12mm (≈1\/2\") — M4: 10mm (≈3\/8\"), 12mm (≈1\/2\"), 16mm (≈5\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePhillips Driver Size\u003c\/th\u003e\n\u003ctd\u003eM2 \/ M2.5: PH0 | M3: PH1 | M4: PH2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantities\u003c\/th\u003e\n\u003ctd\u003e10 \/ 20 \/ 30 \/ 40 \/ 50 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right thread diameter and length for my project?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eMatch the thread diameter to your tapped hole or threaded insert size (M2, M2.5, M3, or M4). For length, measure the total thickness of the material being fastened — the screw length should equal that thickness so the flat head sits flush with the surface. For example, a 6mm (≈1\/4\") thick panel typically calls for an M3 x 6mm screw. When in doubt, go one size longer and countersink slightly deeper. If threading into a blind hole, leave at least 1–1.5× the thread diameter of clearance at the bottom.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow strong are titanium alloy Phillips screws compared to stainless steel?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eTitanium alloy fasteners generally offer tensile strength comparable to mid-grade alloy steel — typically in the range of 900–1000 MPa for Grade 5 \/ Ti-6Al-4V alloy — while weighing approximately 45% less than steel. Compared to 316 stainless steel, titanium is generally stronger per unit weight and more corrosion-resistant in most environments. Contact us to confirm the specific alloy grade and mechanical properties for your application.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan I use these titanium screws outdoors or in humid environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. Titanium alloy naturally forms a stable oxide layer that resists corrosion in saltwater, humid, and mildly acidic environments without any additional coating. These titanium flat head screws are a practical choice for outdoor electronics enclosures, marine hardware, cycling components, and other applications exposed to moisture and weather. For highly aggressive chemical environments, contact us to confirm suitability.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat thread standard do these screws follow, and are they compatible with standard metric hardware?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese screws follow the ISO metric coarse thread standard. M2 uses a 0.4mm pitch, M2.5 uses a 0.45mm pitch, M3 uses a 0.5mm pitch, and M4 uses a 0.7mm pitch. They are compatible with standard metric tapped holes, threaded inserts, and metric nuts of the same diameter and pitch. They are \u003cem\u003enot\u003c\/em\u003e compatible with UNC\/UNF (inch) threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat screwdriver size do I need for Phillips countersunk titanium screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eM2 and M2.5 screws typically use a \u003cstrong\u003ePH0 (Phillips #0)\u003c\/strong\u003e driver. M3 screws typically use a \u003cstrong\u003ePH1 (Phillips #1)\u003c\/strong\u003e driver. M4 screws typically use a \u003cstrong\u003ePH2 (Phillips #2)\u003c\/strong\u003e driver. Always use a driver that fits snugly in the recess — a loose-fitting driver increases the risk of cam-out, which can damage the head. Apply firm downward pressure while driving to minimize slippage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these screws suitable for aluminum, carbon fiber, or plastic assemblies?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. Titanium and aluminum have a low galvanic corrosion potential, making these screws a technically sound choice for aluminum frames, enclosures, and CNC-machined parts. They are also widely used in carbon fiber composite panels and rigid plastic assemblies. Use a calibrated torque wrench and follow the recommended torque specification for the thread size to avoid stripping the tapped hole, especially in softer materials. For plastic, consider using a threaded insert for best results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I decide between 10, 20, 30, 40, or 50 pieces?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eFor a single repair or prototype build, 10 or 20 pcs is generally sufficient. Workshop restocking or small production runs typically call for 30 pcs. For ongoing manufacturing, RC builds, or bicycle workshop use, 40 or 50 pcs offers a lower per-unit cost and reduces reorder frequency. All quantities ship in the same secure packaging from our US warehouse.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003ethread diameter × length\u003c\/strong\u003e and \u003cstrong\u003equantity\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M2 x 4mm \/ 10 pcs","offer_id":52284790374674,"sku":"CHERRY095803x1","price":16.96,"currency_code":"USD","in_stock":true},{"title":"M2 x 6mm \/ 10 pcs","offer_id":52284790407442,"sku":"CHERRY095804x1","price":17.69,"currency_code":"USD","in_stock":true},{"title":"M2 x 8mm \/ 10 pcs","offer_id":52284790440210,"sku":"CHERRY095805x1","price":19.91,"currency_code":"USD","in_stock":true},{"title":"M2.5 x 4mm \/ 10 pcs","offer_id":52284790472978,"sku":"CHERRY095806x1","price":19.18,"currency_code":"USD","in_stock":true},{"title":"M2.5 x 6mm \/ 10 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pcs","offer_id":52284792340754,"sku":"CHERRY095807x5","price":72.11,"currency_code":"USD","in_stock":true},{"title":"M2.5 x 8mm \/ 50 pcs","offer_id":52284792373522,"sku":"CHERRY095808x5","price":72.11,"currency_code":"USD","in_stock":true},{"title":"M2.5 x 10mm \/ 50 pcs","offer_id":52284792406290,"sku":"CHERRY095809x5","price":75.79,"currency_code":"USD","in_stock":true},{"title":"M3 x 6mm \/ 50 pcs","offer_id":52284792439058,"sku":"CHERRY095810x5","price":72.11,"currency_code":"USD","in_stock":true},{"title":"M3 x 8mm \/ 50 pcs","offer_id":52284792471826,"sku":"CHERRY095811x5","price":72.11,"currency_code":"USD","in_stock":true},{"title":"M3 x 10mm \/ 50 pcs","offer_id":52284792504594,"sku":"CHERRY095812x5","price":75.79,"currency_code":"USD","in_stock":true},{"title":"M3 x 12mm \/ 50 pcs","offer_id":52284792537362,"sku":"CHERRY095813x5","price":79.46,"currency_code":"USD","in_stock":true},{"title":"M4 x 10mm \/ 50 pcs","offer_id":52284792570130,"sku":"CHERRY095814x5","price":109.03,"currency_code":"USD","in_stock":true},{"title":"M4 x 12mm \/ 50 pcs","offer_id":52284792602898,"sku":"CHERRY095815x5","price":109.72,"currency_code":"USD","in_stock":true},{"title":"M4 x 16mm \/ 50 pcs","offer_id":52284792635666,"sku":"CHERRY095816x5","price":120.74,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-01_76c3eb2b-7c6b-4ef4-abdc-a1c6e3197a72.jpg?v=1779678442"},{"product_id":"m3-nylon-phillips-countersunk-white-screws","title":"M3 Nylon Phillips Countersunk Screws – White Plastic Machine Bolts","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right screw length for my project?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A general rule is to choose a length that allows the screw to penetrate the base material by at least 2–3 times the thread diameter. For M3 screws, that typically means at least 6–9mm of thread engagement in the base. For example, if you're fastening a 4mm panel, a 10mm (≈3\/8\\u201d) screw generally provides solid grip. Always measure your material stack before selecting a length.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How strong are nylon screws compared to metal screws?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Nylon screws are generally lighter and more flexible than metal fasteners, making them well-suited for low-torque, non-structural applications. They typically handle tensile loads in the range of light electronics assembly, PCB mounting, and enclosure work. For heavy structural loads, metal fasteners are recommended.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are these screws suitable for outdoor or wet environments?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Nylon is inherently corrosion-resistant and does not rust, making these screws generally suitable for damp or mildly wet environments. However, prolonged UV exposure can cause nylon to become brittle over time, so for long-term outdoor use, consider UV-stabilized alternatives or protect the fasteners from direct sunlight.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What thread standard do these M3 screws follow?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These screws follow the ISO metric thread standard (M3 × 0.5mm pitch), which is the most common M3 thread pitch used worldwide. They are compatible with standard M3 metric nuts, inserts, and threaded holes.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What driver bit do I need for these screws?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These screws use a Phillips (cross) drive head. A PH1 (Phillips #1) screwdriver or bit is typically the correct size for M3 Phillips screws. Using the correct bit size helps prevent cam-out and protects the nylon head from stripping.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Will the countersunk head sit flush with my material?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes — the countersunk (flat) head is designed to sit flush with or below the surface of the material when installed in a properly countersunk hole. The head angle is generally 90°, which is the standard for metric countersunk screws. Pre-drilling a countersink with a matching bit is recommended for a clean flush finish.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Are nylon screws electrically insulating?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Yes. Nylon is a non-conductive material, making these screws a common choice for electronics assembly, PCB mounting, and any application where electrical isolation between components is needed.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eM3 White Nylon Countersunk Screws — Flush-Fit Plastic Fasteners for Electronics \u0026amp; Precision Assembly\u003c\/h2\u003e\n    \u003cp\u003eWhen a metal screw would corrode, conduct electricity, or add unnecessary weight, builders and makers reach for nylon. Whether you're assembling a PCB enclosure, mounting circuit boards, building RC components, or securing lightweight panels, finding the right M3 nylon Phillips countersunk screw in the exact length you need shouldn't be a scavenger hunt.\u003c\/p\u003e\n    \u003cp\u003eThese M3 white nylon Phillips flat head machine screws are made from engineering-grade nylon (PA66) and feature a countersunk head profile that sits flush with — or below — the surface of your material. Available in lengths from 6mm (≈1\/4\") to 20mm (≈25\/32\"), with pack quantities from 1 to 100 pieces, so you can grab exactly what your project calls for. Thread diameter is M3 (3mm) with a standard 0.5mm pitch.\u003c\/p\u003e\n    \u003cp\u003eTypical use cases include PCB and electronics enclosure assembly where electrical isolation is required, lightweight panel fastening in RC vehicles and hobby builds, and plastic-to-plastic or plastic-to-aluminum joining in 3D-printed parts and DIY enclosures — all scenarios where a flush, non-metallic fastener for plastic panels makes a real difference.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔩\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e M3 ISO metric thread (0.5mm pitch) — fits standard M3 nuts, threaded inserts, and M3-tapped holes. Drive: Phillips PH1. Head angle: 90° countersunk (flat head).\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These M3 Nylon Phillips Countersunk Screws\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚡\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eElectrically Non-Conductive\u003c\/strong\u003e — Made from PA66 nylon, these screws provide full electrical isolation, making them a go-to choice for PCB mounting screws and electronics enclosure assembly.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e💧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eCorrosion-Resistant Material\u003c\/strong\u003e — Nylon does not rust or oxidize, so these fasteners hold up in damp environments and humid conditions where metal screws would degrade over time.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🎯\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlush Countersunk Head\u003c\/strong\u003e — The 90° flat head countersunk profile allows the screw to sit flush with or below the surface, delivering a clean finish on plastic panels, enclosures, and 3D-printed parts.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚖️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLightweight Construction\u003c\/strong\u003e — Nylon weighs significantly less than steel, making these screws ideal for weight-sensitive builds like RC vehicles, drones, and portable electronics.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePhillips PH1 Drive\u003c\/strong\u003e — Standard cross-head drive works with common screwdrivers and power bits, reducing the need for specialty tools during assembly.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Pack Quantities\u003c\/strong\u003e — Choose from 1 to 100 pieces per order, so you can match your exact project needs without overstocking — from a single prototype to a full production run of nylon machine bolts.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — M3 Nylon Countersunk Machine Screws\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eISO Metric M3 × 0.5mm pitch\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Diameter\u003c\/th\u003e\n\u003ctd\u003eM3 (3mm \/ ≈0.118\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eAvailable Lengths (incl. head)\u003c\/th\u003e\n\u003ctd\u003e6mm (≈1\/4\"), 8mm (≈5\/16\"), 10mm (≈3\/8\"), 12mm (≈15\/32\"), 15mm (≈19\/32\"), 18mm (≈45\/64\"), 20mm (≈25\/32\")\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Type\u003c\/th\u003e\n\u003ctd\u003eCountersunk (Flat Head), 90° angle\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003ePhillips (Cross) — PH1\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003ePA66 Nylon (engineering-grade polyamide)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eWhite\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eElectrical Insulation\u003c\/th\u003e\n\u003ctd\u003eYes — non-conductive\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003ctd\u003eYes — does not rust\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Quantity Options\u003c\/th\u003e\n\u003ctd\u003e1, 5, 10, 20, 50, 100 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCompatible Nut \/ Insert\u003c\/th\u003e\n\u003ctd\u003eStandard M3 metric nut or M3 threaded insert\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRecommended Driver Bit\u003c\/th\u003e\n\u003ctd\u003ePH1 Phillips\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003eSee variant options — contact us to confirm for extreme environments\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eNote:\u003c\/strong\u003e Length measurement includes the head. Always verify your countersink hole angle (90°) before installation for a proper flush fit.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right screw length for my project?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA general rule is to choose a length that allows the screw to penetrate the base material by at least 2–3 times the thread diameter. For M3 screws, that typically means at least 6–9mm of thread engagement in the base material. For example, if you're fastening a 4mm panel, a 10mm (≈3\/8\") screw generally provides solid grip. Note that length is measured including the head on countersunk screws — factor in your material thickness accordingly.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow strong are nylon screws compared to metal screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eNylon screws are generally lighter and more flexible than metal fasteners, making them well-suited for low-torque, non-structural applications. They typically handle tensile loads appropriate for light electronics assembly, PCB mounting, and enclosure work. For heavy structural loads or high-vibration environments, metal fasteners are generally recommended. Do not overtighten — nylon threads can strip more easily than metal under excessive torque.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre these screws suitable for outdoor or wet environments?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eNylon is inherently corrosion-resistant and does not rust, making these screws generally suitable for damp or mildly wet environments. However, prolonged UV exposure can cause nylon to become brittle over time. For long-term outdoor use, consider protecting the fasteners from direct sunlight, or contact us to confirm suitability for your specific application.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread standard do these M3 screws follow, and are they compatible with standard M3 nuts?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese screws follow the ISO metric thread standard at M3 × 0.5mm pitch, which is the most common M3 thread pitch used worldwide. They are compatible with standard M3 metric nuts, M3 threaded brass inserts, and any M3-tapped hole machined to ISO standard. They are not compatible with UNC\/UNF inch-standard threads.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat driver bit do I need, and how do I avoid stripping the head?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese screws use a Phillips (cross) drive. A PH1 (Phillips #1) screwdriver or bit is typically the correct size for M3 Phillips screws. Using the correct bit size and applying steady downward pressure while turning helps prevent cam-out and protects the nylon head from stripping. Avoid power drivers set to high torque — hand-tightening or a low-torque setting is generally recommended for nylon fasteners.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWill the countersunk head sit flush with my material?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes — the countersunk (flat) head is designed to sit flush with or below the surface when installed in a properly countersunk hole. The head angle is 90°, which is the standard for metric countersunk screws. Pre-drilling a countersink with a 90° countersink bit is recommended for a clean flush finish. Without a countersink, the head will protrude above the surface.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eAre nylon screws electrically insulating — can I use them in electronics builds?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eYes. Nylon (PA66) is a non-conductive material, making these M3 nylon Phillips countersunk screws a common choice for electronics assembly, PCB mounting, and any application where electrical isolation between components is needed. They will not create short circuits or interfere with grounding paths the way metal screws can.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your \u003cstrong\u003escrew length and pack quantity\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M3 - 3mm \/ 6mm \/ 1","offer_id":52285266919698,"sku":"GYWWWHK-KCSJ0312x1","price":3.35,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 8mm \/ 1","offer_id":52285266952466,"sku":"GYWWWHK-KCSJ0313x1","price":3.35,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 10mm \/ 1","offer_id":52285266985234,"sku":"GYWWWHK-KCSJ0314x1","price":3.35,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 12mm \/ 1","offer_id":52285267018002,"sku":"GYWWWHK-KCSJ0315x1","price":3.35,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 15mm \/ 1","offer_id":52285267050770,"sku":"GYWWWHK-KCSJ0316x1","price":3.35,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 18mm \/ 1","offer_id":52285267083538,"sku":"GYWWWHK-KCSJ0317x1","price":3.35,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 20mm \/ 1","offer_id":52285267116306,"sku":"GYWWWHK-KCSJ0318x1","price":3.35,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 6mm \/ 5","offer_id":52285267149074,"sku":"GYWWWHK-KCSJ0312x5","price":3.51,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 8mm \/ 5","offer_id":52285267181842,"sku":"GYWWWHK-KCSJ0313x5","price":3.51,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 10mm \/ 5","offer_id":52285267214610,"sku":"GYWWWHK-KCSJ0314x5","price":3.58,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 12mm \/ 5","offer_id":52285267247378,"sku":"GYWWWHK-KCSJ0315x5","price":3.58,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 15mm \/ 5","offer_id":52285267280146,"sku":"GYWWWHK-KCSJ0316x5","price":3.51,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 18mm \/ 5","offer_id":52285267312914,"sku":"GYWWWHK-KCSJ0317x5","price":3.51,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 20mm \/ 5","offer_id":52285267345682,"sku":"GYWWWHK-KCSJ0318x5","price":3.67,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 6mm \/ 10","offer_id":52285267378450,"sku":"GYWWWHK-KCSJ0312x10","price":3.74,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 8mm \/ 10","offer_id":52285267411218,"sku":"GYWWWHK-KCSJ0313x10","price":3.74,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 10mm \/ 10","offer_id":52285267443986,"sku":"GYWWWHK-KCSJ0314x10","price":3.84,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 12mm \/ 10","offer_id":52285267476754,"sku":"GYWWWHK-KCSJ0315x10","price":3.9,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 15mm \/ 10","offer_id":52285267509522,"sku":"GYWWWHK-KCSJ0316x10","price":3.67,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 18mm \/ 10","offer_id":52285267542290,"sku":"GYWWWHK-KCSJ0317x10","price":3.67,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 20mm \/ 10","offer_id":52285267575058,"sku":"GYWWWHK-KCSJ0318x10","price":4.0,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 6mm \/ 20","offer_id":52285267607826,"sku":"GYWWWHK-KCSJ0312x20","price":4.23,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 8mm \/ 20","offer_id":52285267640594,"sku":"GYWWWHK-KCSJ0313x20","price":4.23,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 10mm \/ 20","offer_id":52285267673362,"sku":"GYWWWHK-KCSJ0314x20","price":4.39,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 12mm \/ 20","offer_id":52285267706130,"sku":"GYWWWHK-KCSJ0315x20","price":4.49,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 15mm \/ 20","offer_id":52285267738898,"sku":"GYWWWHK-KCSJ0316x20","price":4.07,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 18mm \/ 20","offer_id":52285267771666,"sku":"GYWWWHK-KCSJ0317x20","price":4.07,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 20mm \/ 20","offer_id":52285267804434,"sku":"GYWWWHK-KCSJ0318x20","price":4.72,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 6mm \/ 50","offer_id":52285267837202,"sku":"GYWWWHK-KCSJ0312x50","price":5.54,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 8mm \/ 50","offer_id":52285267869970,"sku":"GYWWWHK-KCSJ0313x50","price":5.7,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 10mm \/ 50","offer_id":52285267902738,"sku":"GYWWWHK-KCSJ0314x50","price":6.12,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 12mm \/ 50","offer_id":52285267935506,"sku":"GYWWWHK-KCSJ0315x50","price":6.28,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 15mm \/ 50","offer_id":52285267968274,"sku":"GYWWWHK-KCSJ0316x50","price":5.14,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 18mm \/ 50","offer_id":52285268001042,"sku":"GYWWWHK-KCSJ0317x50","price":5.37,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 20mm \/ 50","offer_id":52285268033810,"sku":"GYWWWHK-KCSJ0318x50","price":6.84,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 6mm \/ 100","offer_id":52285268066578,"sku":"GYWWWHK-KCSJ0312x100","price":7.82,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 8mm \/ 100","offer_id":52285268099346,"sku":"GYWWWHK-KCSJ0313x100","price":8.24,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 10mm \/ 100","offer_id":52285268132114,"sku":"GYWWWHK-KCSJ0314x100","price":8.89,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 12mm \/ 100","offer_id":52285268164882,"sku":"GYWWWHK-KCSJ0315x100","price":9.29,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 15mm \/ 100","offer_id":52285268197650,"sku":"GYWWWHK-KCSJ0316x100","price":7.0,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 18mm \/ 100","offer_id":52285268230418,"sku":"GYWWWHK-KCSJ0317x100","price":7.43,"currency_code":"USD","in_stock":true},{"title":"M3 - 3mm \/ 20mm \/ 100","offer_id":52285268263186,"sku":"GYWWWHK-KCSJ0318x100","price":10.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of11_684bf001-708f-431b-b57b-5380e47f026e.jpg?v=1780502947"},{"product_id":"a2-stainless-slotted-countersunk-screws-din963-m4-m5-m6","title":"A2 Stainless Steel Slotted Countersunk Screws DIN 963 | M4 M5 M6","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eA2 Stainless Steel Slotted Countersunk Screws DIN 963 — Flush-Fit Fasteners for Clean, Corrosion-Resistant Assemblies\u003c\/h2\u003e\n\u003cp\u003eWhen your project demands a fastener that disappears into the surface — no protruding head, no snagging, no rust — standard hardware store screws often fall short. DIYers, woodworkers, fabricators, and maintenance professionals who work with metal panels, cabinetry, electronics enclosures, or outdoor fixtures need a reliable slotted countersunk machine screw that sits perfectly flush and holds up over time. These A2 stainless steel slotted countersunk screws are built for exactly that.\u003c\/p\u003e\n\u003cp\u003eEach screw is manufactured to DIN 963 specifications in A2 stainless steel (equivalent to 304 grade), featuring a fully threaded shank with ISO metric coarse threads and a flat 90° countersunk head with a single slotted drive. Available in thread sizes M4, M5, and M6, with lengths ranging from 6mm (≈1\/4\") to 60mm (≈2-3\/8\"), and sold in quantities of 2 to 500 pieces per order to suit both one-off repairs and bulk production runs.\u003c\/p\u003e\n\u003cp\u003eThese slotted countersunk machine screws are widely used for flush-mounting panels to aluminum extrusions, securing hardwood joinery where a clean face is required, assembling electronic enclosures and instrument housings, and attaching fixtures to outdoor structures where corrosion resistance matters. Their DIN 963 flat head profile is also a common choice for furniture hardware, signage mounting, and light fabrication work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e ISO metric coarse thread (M4, M5, M6) — fits standard metric nuts, threaded inserts, and tapped holes per ISO 68-1. Requires a flat-blade (slotted) screwdriver. Countersink angle: 90°.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These A2 Stainless Slotted Countersunk Screws DIN 963\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🦀\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eA2 Stainless Steel Construction\u003c\/strong\u003e — Made from 304-grade stainless steel for reliable corrosion resistance in indoor, outdoor, and mildly humid environments without surface coatings that can chip or flake.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eDIN 963 Flat Head Profile\u003c\/strong\u003e — The 90° countersunk head sits flush with or below the material surface, eliminating snag points and delivering a clean, finished look on panels, wood, and enclosures.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eSlotted Drive for Controlled Torque\u003c\/strong\u003e — The single-slot drive allows precise, low-torque installation with a standard flat-blade screwdriver — ideal for soft materials like aluminum and plastic where over-driving is a concern.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Size Range in One Listing\u003c\/strong\u003e — Thread sizes M4, M5, and M6 with lengths from 6mm to 60mm cover the most common metric machine screw applications, reducing the need to source from multiple suppliers.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Quantity Options\u003c\/strong\u003e — Order as few as 2 pieces for a quick repair or up to 500 for production and bulk stocking, with per-unit cost scaling down at higher quantities.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFully Threaded Shank\u003c\/strong\u003e — The full-length thread engagement maximizes holding strength across the entire fastened thickness, making these screws well-suited for thin-material assemblies and through-bolted connections.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — Slotted Countersunk Machine Screws DIN 963\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003ctd\u003eDIN 963 (ISO 2009)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eA2 Stainless Steel (304 grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Type\u003c\/th\u003e\n\u003ctd\u003eCountersunk (Flat), 90° angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003eSlotted (Single Slot)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eISO Metric Coarse (M4, M5, M6)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Sizes Available\u003c\/th\u003e\n\u003ctd\u003eM4, M5, M6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Range (M4)\u003c\/th\u003e\n\u003ctd\u003e6mm (≈1\/4\") – 50mm (≈2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Range (M5)\u003c\/th\u003e\n\u003ctd\u003e8mm (≈5\/16\") – 60mm (≈2-3\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Range (M6)\u003c\/th\u003e\n\u003ctd\u003e8mm (≈5\/16\") – 60mm (≈2-3\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Measurement\u003c\/th\u003e\n\u003ctd\u003eOverall length (head top to tip)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShank\u003c\/th\u003e\n\u003ctd\u003eFully threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eMill finish (natural stainless)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTensile Strength\u003c\/th\u003e\n\u003ctd\u003eTypically ~700 MPa (A2-70 class)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity Options\u003c\/th\u003e\n\u003ctd\u003e2, 5, 10, 20, 50, 100, 200, 500 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eRoHS \/ REACH\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eSizing note:\u003c\/strong\u003e For countersunk screws, length is measured from the top of the flat head to the tip of the screw — not from under the head. Please account for this when selecting your length.\u003c\/div\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right length for a countersunk screw?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eGenerally, the screw length should equal the thickness of the material being fastened plus enough thread engagement in the receiving material — typically 1.5× the screw diameter. For example, an M5 screw going through a 10mm (≈3\/8\") panel into wood or metal should be at least 18–20mm (≈3\/4\") long. Note that for countersunk screws, length is measured from the top of the head to the tip, so the full length is embedded in the material.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat strength grade are these A2 stainless steel screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA2 stainless steel typically corresponds to property class A2-70, with a tensile strength of approximately 700 MPa. This is generally sufficient for light-to-medium duty fastening in non-structural assemblies such as panel mounting, cabinetry, enclosures, and general fabrication. For heavy structural loads, consult an engineer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan these screws be used outdoors or in wet environments?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA2 stainless steel offers good corrosion resistance and is generally suitable for outdoor use in mild to moderate environments — resisting rust and oxidation in most weather conditions. For highly corrosive environments such as coastal, marine, or chemical exposure settings, A4 (316) stainless steel is typically recommended instead.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat thread standard do these screws use, and what are they compatible with?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese screws conform to DIN 963 and use standard ISO metric coarse threads (M4, M5, M6). They are compatible with standard metric hex nuts, nylon lock nuts, threaded inserts, and tapped holes following the ISO 68-1 thread profile. They are not compatible with UNC\/UNF (imperial) threads.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat screwdriver size do I need for slotted countersunk screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThese screws require a flat-blade (slotted) screwdriver. For M4 screws, a blade width of approximately 1.0–1.5mm is typically used; for M5, around 1.5–2.0mm; and for M6, around 2.0–2.5mm. Using the correct blade width helps prevent cam-out and protects the screw head slot from damage.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre these screws suitable for aluminum, wood, or plastic?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eYes. A2 stainless slotted countersunk screws are commonly used with aluminum panels, hardwood and softwood, and rigid plastics. The flat countersunk head sits flush with the surface, making them ideal for applications where a smooth, snag-free finish is required. Pre-drilling and countersinking the hole to the correct 90° angle is recommended for best results.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I convert the screw length from mm to inches?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eDivide the millimeter value by 25.4 to get inches. Quick reference: 6mm ≈ 1\/4\" | 8mm ≈ 5\/16\" | 10mm ≈ 3\/8\" | 12mm ≈ 1\/2\" | 16mm ≈ 5\/8\" | 20mm ≈ 13\/16\" | 25mm ≈ 1\" | 30mm ≈ 1-3\/16\" | 40mm ≈ 1-9\/16\" | 50mm ≈ 2\" | 60mm ≈ 2-3\/8\".\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eShould I use a washer with countersunk screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eIn most cases, countersunk screws are designed to be used without a washer under the head — the tapered head seats directly into the countersunk hole. However, a countersunk washer (also called a finishing washer) can be used when the material is soft or when a decorative finish is desired. 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Builders, fabricators, furniture makers, and DIYers who regularly work with M5, M6, and M8 fasteners need a single reliable source that covers all three thread diameters in a wide range of lengths. These M5 M6 M8 Phillips countersunk machine screws in 304 stainless steel consolidate your most-used metric sizes into one listing, with lengths from 8mm (≈5\/16\") to 100mm (≈4\") and pack quantities from 2 to 100 pieces.\u003c\/p\u003e\n\u003cp\u003eEach screw features a 90° flat countersunk head with a Phillips (cross) drive, machined from 304 stainless steel (A2 equivalent). Thread specifications follow ISO metric coarse standards: M5 at 0.8mm pitch, M6 at 1.0mm pitch, and M8 at 1.25mm pitch. Available lengths vary by thread size — M5 covers 30–100mm (≈1-3\/16\" to 4\"), M6 covers 8–100mm (≈5\/16\" to 4\"), and M8 covers 10–100mm (≈3\/8\" to 4\"). Pack sizes of 2, 10, 30, 50, 60, and 100 pieces are available depending on the selected size, making this listing practical for both one-off repairs and small production runs.\u003c\/p\u003e\n\u003cp\u003eThese stainless steel countersunk Phillips screws are commonly used for flush-mounting panels and covers in electronics enclosures and control boxes (M5), assembling flat-pack furniture, cabinetry, and shelving units where a flush finish is required (M6), and securing structural brackets, outdoor furniture frames, and heavier assemblies where corrosion resistance and clamping strength matter (M8). The flat countersunk head sits flush with or below the surface after installation, eliminating snag points and providing a clean finished appearance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e ISO metric coarse thread — M5 (0.8mm pitch), M6 (1.0mm pitch), M8 (1.25mm pitch). Drive: Phillips PH2 (M5) \/ PH3 (M6, M8). Head: 90° countersunk flat. Compatible with standard metric nuts, threaded inserts, and tapped holes per ISO 68-1. Not compatible with UNC\/UNF imperial threads.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These M5 M6 M8 Phillips Countersunk Screws\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eThree Thread Sizes in One Listing\u003c\/strong\u003e — M5, M6, and M8 are the three most common metric machine screw diameters in DIY and light industrial work. Selecting all three from a single source simplifies ordering and reduces the number of suppliers you need to manage.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🦀\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e304 Stainless Steel for Corrosion Resistance\u003c\/strong\u003e — The 304 grade provides solid resistance to rust and oxidation in indoor and moderate outdoor environments, making these screws suitable for furniture, cabinetry, outdoor structures, and applications exposed to occasional moisture.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✝️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePhillips Drive for Fast Installation\u003c\/strong\u003e — The cross-head Phillips drive is compatible with standard PH2 and PH3 power driver bits, allowing rapid installation in production or site environments without specialized tooling. Works with both manual and powered drivers.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e\u003cstrong\u003e🛠️90° Flat Head Sits Flush with the Surface\u003c\/strong\u003e — The countersunk flat head is designed to sit flush with or below the material surface when installed in a properly countersunk hole, eliminating protruding fastener heads that can snag, catch clothing, or interfere with mating surfaces.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Length Range — 8mm to 100mm\u003c\/strong\u003e — With lengths from 8mm (≈5\/16\") to 100mm (≈4\") across the three thread sizes, this listing covers the most common countersunk machine screw applications without needing to source from multiple product pages.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Pack Quantities\u003c\/strong\u003e — Order as few as 2 pieces for a repair or up to 100 for a production run. Pack size options vary by thread size and length, with per-unit cost scaling down at higher quantities — useful for contractors and small manufacturers who need varying amounts per job.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — M5 M6 M8 Phillips Countersunk Machine Screws\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Sizes Available\u003c\/th\u003e\n\u003ctd\u003eM5, M6, M8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eISO Metric Coarse\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Pitch\u003c\/th\u003e\n\u003ctd\u003eM5: 0.8mm | M6: 1.0mm | M8: 1.25mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Type\u003c\/th\u003e\n\u003ctd\u003eCountersunk (Flat), 90° angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003ePhillips — PH2 (M5), PH3 (M6, M8)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e304 Stainless Steel (A2 equivalent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eNatural stainless (brushed\/silver)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Range — M5\u003c\/th\u003e\n\u003ctd\u003e30mm (≈1-3\/16\") – 100mm (≈4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Range — M6\u003c\/th\u003e\n\u003ctd\u003e8mm (≈5\/16\") – 100mm (≈4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Range — M8\u003c\/th\u003e\n\u003ctd\u003e10mm (≈3\/8\") – 100mm (≈4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Measurement\u003c\/th\u003e\n\u003ctd\u003eOverall length (head top to tip)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShank\u003c\/th\u003e\n\u003ctd\u003eFully threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTensile Strength\u003c\/th\u003e\n\u003ctd\u003eTypically ~700 MPa (A2-70 class)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003ePack Quantity Options\u003c\/th\u003e\n\u003ctd\u003e2, 10, 30, 50, 60, 100 pcs (varies by size)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eNote:\u003c\/strong\u003e For countersunk screws, length is measured from the top of the flat head to the tip — not from under the head. Not all pack quantity options are available for every size and length combination — check the variant selector for availability.\u003c\/div\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right length for a countersunk Phillips screw?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eFor countersunk screws, length is measured from the top of the flat head to the tip. A general rule is to choose a length equal to the thickness of the material being fastened plus at least 1.5× the screw diameter of thread engagement in the receiving material. For example, fastening a 10mm panel into a substrate with M6 screws would typically call for a 25–30mm screw. Always pre-drill and countersink to the correct 90° angle for a flush finish. Quick inch reference: 30mm ≈ 1-3\/16\" | 50mm ≈ 2\" | 75mm ≈ 3\" | 100mm ≈ 4\".\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the difference between M5, M6, and M8 screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe number refers to the nominal thread diameter: M5 = 5mm (≈3\/16\"), M6 = 6mm (≈1\/4\"), M8 = 8mm (≈5\/16\"). Each size also has a different thread pitch — M5 is typically 0.8mm, M6 is 1.0mm, and M8 is 1.25mm. Choose the size that matches your pre-tapped hole, threaded insert, or nut. M5 is common in electronics and light fixtures; M6 is widely used in furniture and machinery; M8 is typical for heavier structural assemblies.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat strength grade are 304 stainless steel machine screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003e304 stainless steel machine screws generally correspond to property class A2-70, with a tensile strength of approximately 700 MPa. This is suitable for light-to-medium duty fastening in non-structural assemblies such as furniture, cabinetry, panels, and enclosures. For high-load or structural applications, consult an engineer and consider higher-grade fasteners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan these stainless steel countersunk screws be used outdoors?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003e304 stainless steel offers good corrosion resistance in most outdoor environments, including rain and humidity. It is generally suitable for exterior woodwork, outdoor furniture, and light structural applications. For marine environments or areas with high salt exposure, 316 (A4) stainless steel is typically recommended instead, as 304 can show surface staining in prolonged saltwater contact.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat thread standard do M5, M6, and M8 screws use, and what are they compatible with?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eAll three sizes use ISO metric coarse thread per ISO 68-1: M5 at 0.8mm pitch, M6 at 1.0mm pitch, and M8 at 1.25mm pitch. They are compatible with standard metric nuts, threaded inserts, and tapped holes of the corresponding size. They are not compatible with UNC or UNF (imperial) threads. Always verify the thread specification of your receiving component before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat screwdriver or bit do I need for Phillips countersunk screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eM5 screws typically use a PH2 (Phillips #2) bit. M6 and M8 screws generally use a PH3 (Phillips #3) bit. Using the correct bit size is important to avoid cam-out and damage to the drive recess. A power driver with adjustable torque control is recommended for consistent, clean installation — especially in softer materials where over-torquing can strip the countersink.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I convert screw lengths from mm to inches?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eDivide the mm value by 25.4. Quick reference: 8mm ≈ 5\/16\" | 10mm ≈ 3\/8\" | 12mm ≈ 1\/2\" | 16mm ≈ 5\/8\" | 20mm ≈ 13\/16\" | 25mm ≈ 1\" | 30mm ≈ 1-3\/16\" | 40mm ≈ 1-9\/16\" | 50mm ≈ 2\" | 60mm ≈ 2-3\/8\" | 70mm ≈ 2-3\/4\" | 80mm ≈ 3-1\/8\" | 90mm ≈ 3-9\/16\" | 100mm ≈ 4\".\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eShould I choose M5, M6, or M8 for my project?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eChoose based on the pre-drilled or tapped hole size in your material. M5 is commonly used in electronics enclosures, light fixtures, and thin-panel assemblies. M6 is the most versatile size and is widely used in furniture, cabinetry, and general machinery. M8 is suited for heavier assemblies, outdoor structures, and applications requiring greater clamping force. Always match the screw size to the existing thread or nut specification — do not force a different size.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003ethread size, length, and quantity\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M5x30MM \/ 2","offer_id":52285409362194,"sku":"GLFBPYLGB00337x2","price":1.7,"currency_code":"USD","in_stock":true},{"title":"M5x30MM \/ 10","offer_id":52285409394962,"sku":"GLFBPYLGB00337x10","price":2.38,"currency_code":"USD","in_stock":true},{"title":"M5x30MM \/ 50","offer_id":52285409427730,"sku":"GLFBPYLGB00337x50","price":8.91,"currency_code":"USD","in_stock":true},{"title":"M5x30MM \/ 100","offer_id":52285409460498,"sku":"GLFBPYLGB00337x100","price":17.07,"currency_code":"USD","in_stock":true},{"title":"M5x35MM \/ 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50","offer_id":52285416145170,"sku":"GLFBPYLGB00388x50","price":60.18,"currency_code":"USD","in_stock":true},{"title":"M8x90MM \/ 2","offer_id":52285416177938,"sku":"GLFBPYLGB00389x2","price":3.39,"currency_code":"USD","in_stock":true},{"title":"M8x90MM \/ 10","offer_id":52285416210706,"sku":"GLFBPYLGB00389x10","price":13.99,"currency_code":"USD","in_stock":true},{"title":"M8x90MM \/ 30","offer_id":52285416243474,"sku":"GLFBPYLGB00389x30","price":40.6,"currency_code":"USD","in_stock":true},{"title":"M8x90MM \/ 50","offer_id":52285416276242,"sku":"GLFBPYLGB00389x50","price":67.12,"currency_code":"USD","in_stock":true},{"title":"M8x100MM \/ 2","offer_id":52285416309010,"sku":"GLFBPYLGB00390x2","price":3.66,"currency_code":"USD","in_stock":true},{"title":"M8x100MM \/ 10","offer_id":52285416341778,"sku":"GLFBPYLGB00390x10","price":15.49,"currency_code":"USD","in_stock":true},{"title":"M8x100MM \/ 30","offer_id":52285416374546,"sku":"GLFBPYLGB00390x30","price":44.95,"currency_code":"USD","in_stock":true},{"title":"M8x100MM \/ 50","offer_id":52285416407314,"sku":"GLFBPYLGB00390x50","price":74.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of7_2c0f5918-80af-49a4-b788-c2d0cb139df3.jpg?v=1780503144"},{"product_id":"m8-white-phillips-countersunk-screws-a2-stainless-16mm-head","title":"M8 White Phillips Countersunk Screws A2 Stainless Steel | 16mm Head","description":"\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"hdiy-desc\"\u003e\n\u003cdiv class=\"hdiy-overview\"\u003e\n\u003ch2\u003eM8 White Phillips Countersunk Screws — A2 Stainless Steel with 16mm Flat Head for Clean, Flush Installations\u003c\/h2\u003e\n\u003cp\u003eWhen you need a fastener that disappears into a white surface — PVC trim, uPVC window frames, white-painted timber, or composite cladding — a bare stainless screw stands out like a sore thumb. Builders, joiners, window installers, and DIYers who work with white materials need an M8 Phillips countersunk screw that sits flush, resists corrosion, and keeps the finished look clean. These M8 white Phillips countersunk machine screws combine an A2\/304 stainless steel core with a white surface coating and a 16mm flat head designed to disappear into countersunk holes.\u003c\/p\u003e\n\u003cp\u003eEach screw features an M8 ISO metric coarse thread (1.25mm pitch), a 90° countersunk flat head with a 16mm (≈5\/8\") head diameter, and a Phillips (cross) drive. Lengths range from 8mm (≈5\/16\") to 100mm (≈4\"), covering short panel-mounting applications through to longer structural passes. Available in quantities of 1, 10, 20, 30, and 50 pieces per order, making them practical for both single-use repairs and small production runs.\u003c\/p\u003e\n\u003cp\u003eThese white countersunk M8 screws are commonly used for mounting white PVC fascia boards and trim, securing uPVC window and door frames where screw heads must blend with the frame color, attaching white composite decking or cladding panels, and fastening white-painted MDF or timber where a flush, color-matched finish is required. The 16mm head diameter provides a broad bearing surface that distributes load across the countersunk recess without pulling through soft materials.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-compat\"\u003e\n\u003cspan class=\"hdiy-compat-icon\"\u003e🔩\u003c\/span\u003e \u003cstrong\u003eCompatibility:\u003c\/strong\u003e M8 ISO metric coarse thread (1.25mm pitch) — fits standard M8 nuts, threaded inserts, and tapped holes per ISO 68-1. Drive: Phillips PH3. Head: 90° countersunk flat, 16mm (≈5\/8\") diameter. Not compatible with UNC\/UNF imperial threads.\u003c\/div\u003e\n\u003ch2\u003e✅ Key Features of These M8 White Phillips Countersunk Screws\u003c\/h2\u003e\n\u003cul class=\"hdiy-features\"\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🤍\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWhite Coating for Color-Matched Installations\u003c\/strong\u003e — The white surface finish allows these screws to blend with white PVC, uPVC frames, painted timber, and composite panels, reducing the visual impact of exposed fastener heads.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🦀\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eA2\/304 Stainless Steel Core\u003c\/strong\u003e — The stainless steel base provides corrosion resistance in indoor and moderate outdoor environments, making these screws suitable for window frames, cladding, and trim applications where moisture exposure is a concern.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e16mm Flat Head — Broad Bearing Surface\u003c\/strong\u003e — The 16mm (≈5\/8\") countersunk head diameter distributes clamping load across a wider area, reducing the risk of pull-through in softer materials like PVC, MDF, and composite boards.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e✝️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePhillips Drive for Power Tool Compatibility\u003c\/strong\u003e — The PH3 Phillips cross drive is compatible with standard power drivers and drill bits, allowing fast installation in production or site environments without specialized tooling.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eWide Length Range in One Listing\u003c\/strong\u003e — Lengths from 8mm (≈5\/16\") to 100mm (≈4\") cover the most common M8 countersunk applications, from thin panel mounting to longer through-bolt passes, without needing to source from multiple suppliers.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eFlexible Quantity Options\u003c\/strong\u003e — Order as few as 1 piece for a repair or up to 50 for a small project run, with per-unit cost scaling down at higher quantities — useful for window installers and trim carpenters who need varying amounts per job.\u003c\/span\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e📐 Technical Specifications — M8 White Phillips Countersunk Machine Screws\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003ctd\u003eM8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eISO Metric Coarse, 1.25mm pitch\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Type\u003c\/th\u003e\n\u003ctd\u003eCountersunk (Flat), 90° angle\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eHead Diameter\u003c\/th\u003e\n\u003ctd\u003e16mm (≈5\/8\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003ePhillips (PH3)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eA2 Stainless Steel (304 grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eWhite coating over stainless base\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Range\u003c\/th\u003e\n\u003ctd\u003e8mm (≈5\/16\") – 100mm (≈4\")\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eLength Measurement\u003c\/th\u003e\n\u003ctd\u003eOverall length (head top to tip)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e8, 10, 12, 14, 16, 18, 20, 22, 25, 30, 35, 40, 45, 50, 55, 60, 70, 80, 90, 100mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eShank\u003c\/th\u003e\n\u003ctd\u003eFully threaded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eTensile Strength\u003c\/th\u003e\n\u003ctd\u003eTypically ~700 MPa (A2-70 class)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eQuantity Options\u003c\/th\u003e\n\u003ctd\u003e1, 10, 20, 30, 50 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eSee variant options\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth\u003eCoating Type Detail\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-note\"\u003e\n\u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e \u003cstrong\u003eNote:\u003c\/strong\u003e For countersunk screws, length is measured from the top of the flat head to the tip — not from under the head. The white coating is applied over the stainless base; avoid over-torquing to preserve the finish on the head.\u003c\/div\u003e\n\u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq\"\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I choose the right length for an M8 countersunk screw?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eFor countersunk screws, length is measured from the top of the flat head to the tip. A general rule is to select a length equal to the thickness of the material being fastened plus at least 1.5× the screw diameter (12mm) of thread engagement in the receiving material. For example, fastening a 10mm (≈3\/8\") panel into a substrate would typically call for a 22–25mm screw. Always pre-drill and countersink to the correct 90° angle for a flush finish.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat strength grade are these A2 stainless steel M8 screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eA2 stainless steel (304 grade) machine screws typically correspond to property class A2-70, with a tensile strength of approximately 700 MPa. This is generally suitable for light-to-medium duty fastening in non-structural assemblies such as trim, cladding, and window frame installation. For structural or high-load applications, consult an engineer.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan these white screws be used outdoors?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe A2 stainless steel base offers good corrosion resistance for most outdoor environments. However, the white coating may show wear over time under prolonged UV exposure or in abrasive conditions. For fully exposed outdoor use, inspect the coating periodically. For marine or highly corrosive environments, A4 (316) stainless is generally recommended instead.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat thread standard does M8 use, and what is it compatible with?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eM8 uses ISO metric coarse thread with a 1.25mm pitch. These screws are compatible with standard M8 metric nuts, threaded inserts, and tapped holes per ISO 68-1. They are not compatible with UNC\/UNF (imperial) threads. The 16mm flat head diameter is consistent across all length variants in this listing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat screwdriver or bit do I need for Phillips countersunk screws?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eM8 Phillips countersunk screws typically require a PH3 (Phillips #3) screwdriver or power driver bit. Using the correct bit size is important to avoid cam-out and damage to the white coating on the screw head. A power driver with adjustable torque control is recommended for consistent, clean installation without stripping the drive recess.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhy choose a white-coated screw over a standard stainless finish?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eWhite-coated screws are chosen when the fastener needs to blend with white surfaces such as PVC trim, white-painted wood, uPVC window frames, or white composite panels. The white finish makes the screw head far less visible after installation, providing a cleaner aesthetic compared to bare stainless steel — particularly important in visible trim and cladding work.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eHow do I convert the screw length from mm to inches?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eDivide the mm value by 25.4. Quick reference: 8mm ≈ 5\/16\" | 10mm ≈ 3\/8\" | 12mm ≈ 1\/2\" | 16mm ≈ 5\/8\" | 20mm ≈ 13\/16\" | 25mm ≈ 1\" | 30mm ≈ 1-3\/16\" | 40mm ≈ 1-9\/16\" | 50mm ≈ 2\" | 60mm ≈ 2-3\/8\" | 70mm ≈ 2-3\/4\" | 80mm ≈ 3-1\/8\" | 90mm ≈ 3-9\/16\" | 100mm ≈ 4\".\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs the white finish painted, powder-coated, or a nylon cap?\u003c\/summary\u003e\n\u003cdiv class=\"hdiy-faq-body\"\u003e\n\u003cp\u003eThe white finish is a surface coating applied over the A2 stainless steel base. The exact coating method (paint, powder coat, or nylon\/plastic cap) is not specified in the product data. If this detail is critical for your application — for example, for chemical resistance or food-safe requirements — please contact us to confirm before ordering.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/details\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your \u003cstrong\u003esize and quantity\u003c\/strong\u003e above, then add to cart — ships from our US warehouse.\u003c\/div\u003e\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M8x8x16 \/ 1","offer_id":52285423649042,"sku":"GYHJHBRTQJD023835x1","price":6.11,"currency_code":"USD","in_stock":true},{"title":"M8x10x16 \/ 1","offer_id":52285423681810,"sku":"GYHJHBRTQJD023836x1","price":6.11,"currency_code":"USD","in_stock":true},{"title":"M8x12x16 \/ 1","offer_id":52285423714578,"sku":"GYHJHBRTQJD023837x1","price":6.11,"currency_code":"USD","in_stock":true},{"title":"M8x14x16 \/ 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