{"title":"Wafer Head Screws","description":"","products":[{"product_id":"120pcs-8-phillips-wafer-head-screws-kit-for-metal","title":"#8 Phillips Wafer Head Self-Tapping Screws – 120pcs A2 Stainless Steel","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n \u003ch2\u003e#8 Phillips Wafer Head Self-Tapping Screws — 120-Piece A2-70 Stainless Steel Kit\u003c\/h2\u003e\n \u003cp\u003eMetal framing, auto body repair, and electrical enclosure work all require a fastener that drives cleanly into metal without a pilot hole, holds under vibration, and doesn't rust. These #8 Phillips wafer head self-tapping screws meet all three requirements: Type AB self-tapping threads cut directly into compatible materials, the low-profile wafer head distributes clamping pressure to resist pull-through, and the A2-70 stainless steel construction (ASTM F593 compliant, 500-hour salt spray tested) provides genuine corrosion resistance.\u003c\/p\u003e\n \u003cp\u003eThe kit includes 120 screws across 6 lengths from 1\/2\" to 2\", with 20 pieces of each length — an even distribution that gives you flexibility across different material thicknesses without running short on any one size. A Phillips #2 driver bit is included so you can start immediately.\u003c\/p\u003e\n \u003cp\u003eSuitable for metal framing, auto body panels, electrical enclosures, HVAC ductwork, and general sheet metal fastening in home, office, and light industrial applications.\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 #2 Phillips drivers and power drills. Suitable for thin metal sheet, steel framing, auto body panels, and composite materials. Thread size #8, lengths 1\/2” to 2”.\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n \u003ch2\u003e✅ Key Features of This #8 Wafer Head Self-Tapping Screw Kit\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\u003eA2-70 Stainless Steel — ASTM F593 Compliant:\u003c\/strong\u003e Chromium-enhanced surface with 500-hour salt spray test certification. Resists corrosion, rust, and oxidation in outdoor, humid, and mildly corrosive environments. RoHS compliant.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eType AB Self-Tapping Thread — No Pilot Hole Required:\u003c\/strong\u003e The sharp Type AB thread profile cuts directly into compatible metal and composite materials on contact. Minimum tensile strength of 700 MPa ensures the thread holds under load without stripping.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e✝️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003ePhillips Wafer Head — Anti-Vibration, Low-Profile:\u003c\/strong\u003e The wide wafer head bearing surface distributes clamping pressure to resist pull-through on thin metal sheet. The low profile sits flush and clean on finished surfaces, and the head geometry resists loosening under vibration.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e6 Lengths from 1\/2\" to 2\" — 20 Pieces Each:\u003c\/strong\u003e Even distribution across all six lengths gives you flexibility for different material thicknesses without running short on any one size. Covers light sheet metal connections through deeper wood-to-metal fastening.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003ePhillips #2 Driver Bit Included:\u003c\/strong\u003e Everything you need to start fastening immediately. Compatible with both manual screwdrivers and power drills or impact drivers.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🏠\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eWide Application Range:\u003c\/strong\u003e Suitable for metal framing, auto body repair, electrical enclosures, HVAC ductwork, and general sheet metal assembly. Performs in high-temperature and high-humidity environments.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n \u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#8 × 1\/2\"\u003c\/td\u003e\n\u003ctd\u003e20 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#8 × 3\/4\"\u003c\/td\u003e\n\u003ctd\u003e20 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#8 × 1\"\u003c\/td\u003e\n\u003ctd\u003e20 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#8 × 1-1\/4\"\u003c\/td\u003e\n\u003ctd\u003e20 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#8 × 1-1\/2\"\u003c\/td\u003e\n\u003ctd\u003e20 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#8 × 2\"\u003c\/td\u003e\n\u003ctd\u003e20 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTotal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e120 pcs\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePhillips #2 Driver Bit\u003c\/td\u003e\n\u003ctd\u003e1 pc\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\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\u003eMetal Framing \u0026amp; Construction\u003c\/strong\u003e\n \u003cp\u003eFasten steel keel framing, metal brackets, and structural sheet metal connections. The Type AB self-tapping thread cuts cleanly into steel framing without pre-drilling, and the wafer head provides the pull-through resistance needed for thin gauge metal.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🚗\u003c\/span\u003e\n \u003cstrong\u003eAuto Body Repair\u003c\/strong\u003e\n \u003cp\u003eSecure body panels, trim pieces, and interior metal components. The low-profile wafer head sits flush on finished surfaces, and the A2 stainless steel resists the moisture and road salt exposure common in automotive applications.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🔌\u003c\/span\u003e\n \u003cstrong\u003eElectrical Enclosures \u0026amp; HVAC\u003c\/strong\u003e\n \u003cp\u003eMount electrical panels, secure ductwork, and fasten enclosure covers. The corrosion-resistant stainless steel construction handles the humidity and temperature variation common in HVAC and electrical installations.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🔨\u003c\/span\u003e\n \u003cstrong\u003eDIY Home Renovators\u003c\/strong\u003e\n \u003cp\u003eAttach metal hardware, secure sheet metal panels, or fasten brackets to wood and composite surfaces. The 6-length variety and included driver bit make this a practical all-in-one kit for most home project needs.\u003c\/p\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n \u003ch2\u003e📏 Technical Specifications\u003c\/h2\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eSelf-Tapping Screws (Type AB thread)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eA2-70 Stainless Steel (ASTM F593 compliant, RoHS compliant)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCorrosion Testing\u003c\/th\u003e\n\u003ctd\u003e500-hour salt spray test certified\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTensile Strength\u003c\/th\u003e\n\u003ctd\u003e700 MPa minimum\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eWafer Head (low-profile, wide bearing surface, anti-vibration)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003ePhillips #2 (driver bit included)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003ctd\u003e#8\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e1\/2\" \/ 3\/4\" \/ 1\" \/ 1-1\/4\" \/ 1-1\/2\" \/ 2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eQuantity Per Length\u003c\/th\u003e\n\u003ctd\u003e20 pcs each\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTotal Quantity\u003c\/th\u003e\n\u003ctd\u003e120 pieces + 1 driver bit\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCompatible Materials\u003c\/th\u003e\n\u003ctd\u003eThin metal sheet, steel framing, auto body panels, composite materials\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eStandard\u003c\/th\u003e\n\u003ctd\u003eDIN 7982 \/ ASTM F593\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\u003eDo I need to drill a pilot hole before using these screws?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo — these are Type AB self-tapping screws with a sharp thread profile that cuts directly into compatible materials on contact. For typical thin metal sheet, steel framing, and composite applications, no pre-drilling is required. For very thick or hardened steel, a pilot hole may improve results.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is the difference between A2 and 410 stainless steel for screws?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA2 stainless steel (also called 304 stainless) is an austenitic grade with excellent corrosion resistance and is non-magnetic. 410 stainless steel is a martensitic grade that is harder and magnetic, with slightly lower corrosion resistance than A2 but better performance at high temperatures. For most indoor and outdoor applications, A2 provides superior rust resistance. For applications requiring magnetism or very high temperatures, 410 may be preferred.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat does \"Type AB\" self-tapping mean?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eType AB is a self-tapping thread form with a sharp, tapered point and spaced threads designed to cut into thin metal, plastic, and composite materials. It combines the features of Type A (coarser thread for sheet metal) and Type B (finer thread for thicker materials), making it versatile across a range of material thicknesses. No pilot hole is required for compatible materials.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhy choose a wafer head over a pan head for sheet metal?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA wafer head is lower and wider than a pan head, sitting closer to the surface with a larger bearing diameter. This distributes clamping pressure across a wider area, reducing pull-through on thin metal sheet, and results in a cleaner, lower-profile appearance. The wider bearing surface also provides better resistance to loosening under vibration — important for automotive and HVAC applications.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eAre these screws suitable for outdoor or automotive use?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The A2-70 stainless steel construction is ASTM F593 compliant and has passed 500-hour salt spray testing, making it suitable for outdoor installations, automotive body panels, and humid environments. It resists rust, road salt, and mild chemical exposure under normal use conditions.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eCan I use these with an impact driver?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. A standard #2 Phillips bit (included) works with both manual screwdrivers and power drills or impact drivers. Use a moderate torque setting to avoid over-driving or stripping the Phillips head, especially in thin metal sheet applications where the screw can over-penetrate quickly.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhy are all 6 lengths in equal quantities of 20 pieces?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe even 20-piece distribution across all six lengths (1\/2\" to 2\") is designed to give you flexibility across different material thicknesses without running short on any one size. This makes the kit practical for mixed projects where you need a variety of lengths rather than a large quantity of a single size.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat materials can these screws fasten?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese #8 Type AB self-tapping screws are designed for thin metal sheet, steel framing, auto body panels, and composite materials. They're commonly used in metal framing, auto body repair, electrical enclosures, HVAC ductwork, and general construction. For very thick steel or hardened materials, a self-drilling (TEK) screw with a drill-point tip would be more appropriate.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Add to cart above to get your 120-piece #8 wafer head self-tapping screw kit with driver bit.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51056245113106,"sku":"UK-MZTZ0041","price":19.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of9_388f7f3d-5e9f-49a2-a92c-6b07472916ed.jpg?v=1783654290"},{"product_id":"8-10-phillips-wafer-head-self-tapping-screws-black-410-stainless-steel-425-piece-kit","title":"#8 \u0026 #10 Phillips Wafer Head Self-Tapping Screws Black 410 Stainless Steel – 425-Piece Kit","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n \u003cdiv class=\"hdiy-overview\"\u003e\n \u003ch2\u003e#8 \u0026amp; #10 Phillips Wafer Head Self-Tapping Screws — 425 Pieces, Two Diameters, Black 410 Stainless Steel\u003c\/h2\u003e\n \u003cp\u003eJuggling two screw diameters across a roofing, HVAC, or framing job means constantly stopping to find the right size. This 425-piece assortment eliminates that problem by combining both #8 and #10 Phillips wafer head self-tapping screws — across five lengths each — in one organized black oxide kit.\u003c\/p\u003e\n \u003cp\u003eEvery screw is machined from 410 stainless steel with a black oxide coating for corrosion resistance and a clean, low-profile finish. The wafer head sits flush against thin materials, and the Phillips drive works with any standard power drill. Sizes span #8 × 1\/2\" through #10 × 1-1\/2\", covering the most common light-gauge sheet metal, roofing, and panel fastening tasks. Total kit weight is not specified — contact us to confirm if needed.\u003c\/p\u003e\n \u003cp\u003eFrom metal roofing and HVAC ductwork to steel keel framing, gutter pipe, iron fencing, and hurricane panels, these black self-tapping screws deliver a fast, corrosion-resistant hold in demanding indoor and outdoor environments.\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 wood, sheet metal, steel framing, aluminum, and plastic — suitable for roofing, HVAC, framing, fencing, and hurricane panel applications\n \u003c\/div\u003e\n\n \u003cdiv\u003e\n \u003ch2\u003e✅ Key Features of These #8 \u0026amp; #10 Phillips Wafer Head Self-Tapping 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\u003eSelf-Tapping — No Pre-Drilling Required:\u003c\/strong\u003e Screws directly into wood, metal, and other hard materials without a pilot hole, reducing installation time and the number of tools needed on site.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e410 Stainless Steel with Black Oxide Coating:\u003c\/strong\u003e High-hardness martensitic alloy resists corrosion, rust, and deformation; black oxide finish adds a clean aesthetic and additional surface protection.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eTwo Diameters, Five Lengths Each:\u003c\/strong\u003e #8 and #10 across 1\/2\", 5\/8\", 3\/4\", 1\", and 1-1\/4\" (plus #10 × 1-1\/2\") — covers the full range of light-gauge sheet metal and panel fastening without buying multiple packs.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eDeep, Precise Thread Profile:\u003c\/strong\u003e High-precision cutting produces deep, clear threads that distribute force evenly, resist cam-out, and maintain grip in high-temperature and high-humidity environments.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🗂️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eWafer Head — Flush, Low-Profile Finish:\u003c\/strong\u003e Wide, flat head sits flush against thin materials, reducing snag points and providing a neat finish on visible surfaces like roofing panels and metal trim.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eBroad Application Range:\u003c\/strong\u003e Ideal for roofing, HVAC ductwork, steel keel framing, gutter steel pipe, iron fencing, hurricane panels, and general sheet metal fabrication in home, commercial, and industrial settings.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-table-wrap\"\u003e\n \u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eDiameter\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#8 × 1\/2\"\u003c\/td\u003e\n\u003ctd\u003e#8\u003c\/td\u003e\n\u003ctd\u003e70 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#8 × 5\/8\"\u003c\/td\u003e\n\u003ctd\u003e#8\u003c\/td\u003e\n\u003ctd\u003e60 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#8 × 3\/4\"\u003c\/td\u003e\n\u003ctd\u003e#8\u003c\/td\u003e\n\u003ctd\u003e50 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#8 × 1\"\u003c\/td\u003e\n\u003ctd\u003e#8\u003c\/td\u003e\n\u003ctd\u003e35 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#8 × 1-1\/4\"\u003c\/td\u003e\n\u003ctd\u003e#8\u003c\/td\u003e\n\u003ctd\u003e25 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#10 × 1\/2\"\u003c\/td\u003e\n\u003ctd\u003e#10\u003c\/td\u003e\n\u003ctd\u003e50 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#10 × 5\/8\"\u003c\/td\u003e\n\u003ctd\u003e#10\u003c\/td\u003e\n\u003ctd\u003e40 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#10 × 3\/4\"\u003c\/td\u003e\n\u003ctd\u003e#10\u003c\/td\u003e\n\u003ctd\u003e35 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#10 × 1\"\u003c\/td\u003e\n\u003ctd\u003e#10\u003c\/td\u003e\n\u003ctd\u003e30 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#10 × 1-1\/4\"\u003c\/td\u003e\n\u003ctd\u003e#10\u003c\/td\u003e\n\u003ctd\u003e10 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003e#10 × 1-1\/2\"\u003c\/td\u003e\n\u003ctd\u003e#10\u003c\/td\u003e\n\u003ctd\u003e10 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eTotal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e425 Pieces\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eStorage\u003c\/td\u003e\n\u003ctd\u003e1× Compartment storage box\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\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\u003eRoofing Contractors \u0026amp; DIYers\u003c\/strong\u003e\n \u003cp\u003eSecure metal roofing panels, flashing, and hurricane panels with a flush-sitting wafer head that won’t snag or lift under wind load — black finish blends with dark panel colors.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🔧\u003c\/span\u003e\n \u003cstrong\u003eHVAC \u0026amp; Steel Framing Professionals\u003c\/strong\u003e\n \u003cp\u003eKeep both #8 and #10 diameters on hand for duct assembly, steel keel framing, and gutter pipe fastening — no need to carry two separate kits to the job site.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🏭\u003c\/span\u003e\n \u003cstrong\u003eFencing \u0026amp; General Fabrication\u003c\/strong\u003e\n \u003cp\u003eAttach iron fencing, metal trim, and sheet metal panels with corrosion-resistant 410 stainless steel fasteners that hold up to outdoor exposure without rusting or loosening.\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\u003eScrew Sizes\u003c\/th\u003e\n\u003ctd\u003e#8 \u0026amp; #10\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLengths Available\u003c\/th\u003e\n\u003ctd\u003e#8: 1\/2\", 5\/8\", 3\/4\", 1\", 1-1\/4\" \/ #10: 1\/2\", 5\/8\", 3\/4\", 1\", 1-1\/4\", 1-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eWafer (Pan) Head\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003ePhillips\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePoint Type\u003c\/th\u003e\n\u003ctd\u003eSelf-Tapping (Sharp Point)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eCoarse, Full Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e410 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack Oxide Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTotal Quantity\u003c\/th\u003e\n\u003ctd\u003e425 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eCompartment storage box\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eRoofing, HVAC, steel framing, fencing, hurricane panels — indoor \u0026amp; outdoor\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\u003eDo these screws require a pilot hole?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo. The self-tapping sharp point cuts its own thread directly into wood, sheet metal, and other hard materials without a pre-drilled pilot hole, saving time and reducing the number of tools needed on site.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is the difference between #8 and #10 screws?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003e#8 and #10 refer to the screw diameter — #10 is slightly larger in diameter than #8. #8 screws are typically used for lighter-gauge materials and tighter spaces, while #10 screws provide a stronger hold in thicker or denser substrates. This kit includes both so you can choose the right diameter for each application.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eAre these screws suitable for outdoor and roofing use?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The 410 stainless steel base with black oxide coating provides good corrosion and rust resistance, making these screws suitable for outdoor applications including roofing, HVAC, fencing, and hurricane panels. For highly corrosive marine or coastal environments, 316 stainless steel is generally recommended for long-term exposure.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat screwdriver or bit do I need?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA standard Phillips #2 bit fits these screws. A power drill or cordless screwdriver set to moderate torque is recommended for sheet metal and roofing applications to avoid stripping the head.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWill the black oxide coating rust or peel over time?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe 410 stainless steel base provides the primary corrosion resistance. The black oxide coating adds surface protection and aesthetic finish. In most outdoor environments, the combination performs well. For prolonged exposure to salt air or highly corrosive conditions, contact us to confirm suitability for your specific application.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eCan these screws be used for hurricane panels?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. These screws are noted for use with hurricane panels. The wafer head provides a flush, low-profile hold that resists pull-through, and the 410 stainless steel construction offers the corrosion resistance needed for outdoor storm protection applications. Always verify local building code requirements for hurricane panel fastener specifications.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow are the screws organized in the box?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe 425 screws are sorted by size and diameter into compartments within a durable storage box. Each compartment holds a specific size so you can identify and retrieve the correct screw quickly without sorting through loose fasteners.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your size above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51056245014802,"sku":"UK-MZTZ0081","price":32.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/9_b0bff30f-a6b1-46b7-9161-e140d699af77.webp?v=1764930422"},{"product_id":"400pcs-8-phillips-wafer-head-self-tapping-drilling-screws-kit-410-stainless-steel","title":"#8 Phillips Wafer Head Self-Drilling Screws – 400pcs, Black \u0026 Silver","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n \u003ch2\u003e#8 Phillips Wafer Head Self-Drilling Screws — 400-Piece 410 Stainless Steel Kit in Black \u0026amp; Silver\u003c\/h2\u003e\n \u003cp\u003eRoofing panels, HVAC ductwork, steel keel framing, and gutter installations all demand a fastener that drives fast, holds firm, and doesn't rust. These #8 Phillips wafer head self-drilling screws deliver on all three: the drill-point tip bores directly into metal without a pilot hole, the wafer head sits low and flush for a clean finish, and the 410 stainless steel construction resists corrosion in high-humidity and high-temperature environments.\u003c\/p\u003e\n \u003cp\u003eEach kit contains 400 screws across 6 lengths from 1\/2\" to 1-1\/2\", split evenly between Black and Silver finishes — 200 pieces of each. The length distribution is weighted toward the shorter, higher-frequency sizes (1\/2\" and 5\/8\") with smaller quantities of the longer lengths, matching real-world usage patterns for sheet metal and framing applications.\u003c\/p\u003e\n \u003cp\u003eThe one-piece 410 stainless steel construction uses high-precision thread cutting for deep, clean threads that grip without slipping or deforming. Suitable for wood, metal, and other hard materials in roofing, HVAC, steel framing, iron fencing, hurricane panels, and general construction.\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 #2 Phillips drivers and power drills. Suitable for wood, thin metal sheet, steel framing, and composite materials. Thread size #8, lengths 1\/2” to 1-1\/2”.\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n \u003ch2\u003e✅ Key Features of This #8 Wafer Head Self-Drilling Screw Kit\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\u003e410 Stainless Steel — One-Piece Construction:\u003c\/strong\u003e High-precision cutting produces deep, clear threads with high hardness. Resists corrosion, rust, and deformation in high-temperature and high-humidity environments for extended service life.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eSelf-Drilling Tip — No Pre-Drilling Required:\u003c\/strong\u003e Drives directly into compatible materials without a pilot hole. Saves time and eliminates the extra drill step on repetitive fastening tasks in roofing, framing, and HVAC work.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e✝️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003ePhillips Wafer Head — Low-Profile Flush Finish:\u003c\/strong\u003e The wafer head sits lower and wider than a pan head, distributing clamping pressure across a larger surface area while maintaining a clean, low-profile appearance on the finished surface.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🎨\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eBlack \u0026amp; Silver Finishes — 200 Pieces Each:\u003c\/strong\u003e Two finish options in one kit. Black for a discreet, low-visibility look on dark surfaces; Silver for standard metallic hardware applications. Both finishes are corrosion-resistant.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e6 Lengths from 1\/2\" to 1-1\/2\":\u003c\/strong\u003e Covers the most common fastening depths for sheet metal, wood, and composite applications. The length distribution matches typical usage patterns — more of the shorter sizes, fewer of the longer ones.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🏠\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eWide Application Range:\u003c\/strong\u003e Suitable for metal roofing, HVAC ductwork, steel keel framing, gutter steel pipe, iron fencing, hurricane panels, and general wood and metal fastening in home, office, and industrial settings.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n \u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003e#8 × 1\/2\"\u003c\/td\u003e\n\u003ctd\u003e50 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003e#8 × 5\/8\"\u003c\/td\u003e\n\u003ctd\u003e50 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003e#8 × 3\/4\"\u003c\/td\u003e\n\u003ctd\u003e45 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003e#8 × 1\"\u003c\/td\u003e\n\u003ctd\u003e20 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003e#8 × 1-1\/4\"\u003c\/td\u003e\n\u003ctd\u003e20 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003ctd\u003e#8 × 1-1\/2\"\u003c\/td\u003e\n\u003ctd\u003e15 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003e#8 × 1\/2\"\u003c\/td\u003e\n\u003ctd\u003e50 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003e#8 × 5\/8\"\u003c\/td\u003e\n\u003ctd\u003e50 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003e#8 × 3\/4\"\u003c\/td\u003e\n\u003ctd\u003e45 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003e#8 × 1\"\u003c\/td\u003e\n\u003ctd\u003e20 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003e#8 × 1-1\/4\"\u003c\/td\u003e\n\u003ctd\u003e20 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eSilver\u003c\/td\u003e\n\u003ctd\u003e#8 × 1-1\/2\"\u003c\/td\u003e\n\u003ctd\u003e15 pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eTotal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e400 pcs\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\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\u003eRoofing \u0026amp; Construction Contractors\u003c\/strong\u003e\n \u003cp\u003eFasten metal roofing panels, hurricane panels, and steel framing without pre-drilling. The self-drilling tip speeds up repetitive fastening runs, and the wafer head provides a clean, low-profile finish on exposed surfaces.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e💨\u003c\/span\u003e\n \u003cstrong\u003eHVAC Technicians\u003c\/strong\u003e\n \u003cp\u003eSecure ductwork, gutter steel pipe, and HVAC enclosures with screws that hold in high-temperature and high-humidity conditions. The 410 stainless steel construction maintains its grip and corrosion resistance through thermal cycling.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🔨\u003c\/span\u003e\n \u003cstrong\u003eDIY Home Renovators\u003c\/strong\u003e\n \u003cp\u003eAttach metal brackets, secure sheet metal panels, or fasten hardware to wood and composite surfaces. The dual-finish kit (Black + Silver) gives you options for matching existing hardware or surface color.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🧰\u003c\/span\u003e\n \u003cstrong\u003eGeneral Maintenance \u0026amp; Repair\u003c\/strong\u003e\n \u003cp\u003eKeep a set on hand for iron fencing repairs, outdoor furniture frames, appliance panels, and storage unit assembly. The 6-length variety covers most unexpected fastening needs without requiring multiple separate purchases.\u003c\/p\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n \u003ch2\u003e📏 Technical Specifications\u003c\/h2\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eSelf-Drilling Self-Tapping Screws\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e410 Stainless Steel (one-piece, high-precision cut)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eWafer Head (low-profile, wide bearing surface)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003ePhillips #2\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eThread Size\u003c\/th\u003e\n\u003ctd\u003e#8\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eAvailable Lengths\u003c\/th\u003e\n\u003ctd\u003e1\/2\" \/ 5\/8\" \/ 3\/4\" \/ 1\" \/ 1-1\/4\" \/ 1-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFinish Options\u003c\/th\u003e\n\u003ctd\u003eBlack \/ Silver (200 pcs each)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTotal Quantity\u003c\/th\u003e\n\u003ctd\u003e400 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTip Type\u003c\/th\u003e\n\u003ctd\u003eSelf-drilling (no pilot hole required for compatible materials)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCompatible Materials\u003c\/th\u003e\n\u003ctd\u003eWood, thin metal sheet, steel framing, composite panels\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eRecommended Environments\u003c\/th\u003e\n\u003ctd\u003eIndoor and outdoor; suitable for high-temperature and high-humidity conditions\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\u003eDo I need to drill a pilot hole before using these screws?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo — these are self-drilling screws with an integrated drill-point tip that bores through compatible materials on contact. For typical wood, thin metal sheet, and composite applications, no pre-drilling is required. For very thick or hardened steel beyond the screw's drilling capacity, a pilot hole may still be needed.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is a wafer head, and how is it different from a pan head?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA wafer head is lower and wider than a pan head, sitting closer to the surface with a larger bearing diameter. This distributes clamping pressure across a wider area, reducing pull-through on thin materials, and results in a cleaner, lower-profile appearance on the finished surface. It's commonly preferred for sheet metal and framing applications where a flush look matters.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is the difference between the Black and Silver finishes?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eBoth finishes are made from the same 410 stainless steel base and offer the same corrosion resistance and mechanical properties. The Black finish provides a discreet, low-visibility appearance on dark surfaces (e.g., black metal roofing panels, dark-painted framing). The Silver finish is the standard metallic look for general hardware applications. Both are included in equal quantities in this kit.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhich length should I choose for my application?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAs a general guide: 1\/2\" and 5\/8\" work well for thin sheet metal overlaps and light framing connections; 3\/4\" is a versatile mid-length for most sheet metal applications; 1\" to 1-1\/2\" are better for thicker materials, wood-to-metal connections, or applications requiring deeper thread engagement. The kit includes all six lengths so you can test and select the best fit for your specific material stack.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eAre these screws suitable for outdoor or coastal environments?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The 410 stainless steel construction provides corrosion resistance suitable for outdoor installations, metal roofing, and humid environments. It resists rust and mild acid exposure under normal outdoor conditions. For fully submerged or severe salt-spray marine applications, 316 stainless steel would be a more appropriate choice.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eCan I use these with an impact driver?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. A standard #2 Phillips bit works with both manual screwdrivers and power drills or impact drivers. Use a moderate torque setting to avoid over-driving or stripping the Phillips head, especially in thin metal sheet applications where the screw can over-penetrate quickly.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhy are there more 1\/2\" and 5\/8\" screws than longer lengths in the kit?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe quantity distribution (50 pcs each for 1\/2\" and 5\/8\", tapering to 15 pcs for 1-1\/2\") reflects typical real-world usage patterns — shorter screws are used more frequently in sheet metal and light framing applications, while longer screws are used less often for specific deeper-penetration needs. This distribution maximizes the practical utility of the kit for most common applications.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat materials can these screws fasten?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese #8 self-drilling screws are designed for wood, thin metal sheet, steel keel framing, composite panels, and similar materials. They're commonly used in metal roofing, HVAC ductwork, gutter installation, iron fencing, hurricane panels, and general construction. For very thick steel or hardened materials, a higher drill-point rating would be more appropriate.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Add to cart above to get your 400-piece #8 wafer head self-drilling screw kit in Black \u0026amp; Silver.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51056244982034,"sku":"UK-MZTZ0082","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/11_22ed3389-7d54-43ff-a5e8-685c9fd39d6e.webp?v=1764930381"},{"product_id":"8-self-tapping-sheet-metal-screws-410-stainless-steel-440-piece-kit","title":"#8 Self-Tapping Sheet Metal Screws 410 Stainless Steel – 440-Piece Assortment Kit","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n \u003cdiv class=\"hdiy-overview\"\u003e\n \u003ch2\u003e#8 Self-Tapping Sheet Metal Screws — 440 Pieces, Two Head Styles, Six Lengths\u003c\/h2\u003e\n \u003cp\u003eRunning out of the right screw size mid-project is a frustrating and avoidable problem. This 440-piece assortment solves it by combining two of the most-used head styles — hex washer and Phillips round head — across six common #8 lengths, all in one organized storage kit.\u003c\/p\u003e\n \u003cp\u003eEvery screw is machined from 410 stainless steel, a high-density alloy that outperforms standard stainless in hardness, stability, and corrosion resistance. Lengths run from 1\/2\" to 1-1\/2\", covering the full range of light-gauge sheet metal, wood, and panel fastening tasks. Package weight is approximately 900 g (1.98 lb).\u003c\/p\u003e\n \u003cp\u003eWhether you're securing wood furniture, assembling electronic enclosures, maintaining HVAC ductwork, or fastening metal panels in an industrial setting, this dual-head assortment gives you the right fastener for the job without a separate trip to the hardware store.\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 sheet metal, wood, plastic, and composite substrates — suitable for home, office, and industrial applications\n \u003c\/div\u003e\n\n \u003cdiv\u003e\n \u003ch2\u003e✅ Key Features of These #8 Self-Tapping Sheet Metal 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\u003eTwo Head Styles in One Kit:\u003c\/strong\u003e Hex washer head for higher bearing capacity and stability with a nut driver; Phillips round head for fast installation with a standard power drill — both included across all six lengths.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e410 Stainless Steel:\u003c\/strong\u003e Higher density and hardness than standard stainless steel — resists rust, corrosion, and deformation in high-humidity, outdoor, and temperature-variable environments.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e6 Lengths Included:\u003c\/strong\u003e #8 × 1\/2\", 5\/8\", 3\/4\", 1\", 1-1\/4\", and 1-1\/2\" — the most common sizes for sheet metal and panel fastening, eliminating the need to buy multiple packs.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eSharp, Complete Thread Profile:\u003c\/strong\u003e Smooth, even thread cuts cleanly into substrate material, distributes force evenly, and resists cam-out and deformation during installation.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🗂️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eOrganized Compartment Storage Box:\u003c\/strong\u003e Durable box with labeled compartments and a size reference chart — each size is separated for instant identification, easy carry, and tidy storage.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eBroad Application Range:\u003c\/strong\u003e Suitable for wood furniture, board structures, electronic products, household appliances, HVAC ductwork, mechanical maintenance, and general sheet metal fabrication.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-table-wrap\"\u003e\n \u003ch2\u003e📦 What's in the Box\u003c\/h2\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePhillips Round Head\u003c\/td\u003e\n\u003ctd\u003e#8 × 1\/2\"\u003c\/td\u003e\n\u003ctd\u003e60 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePhillips Round Head\u003c\/td\u003e\n\u003ctd\u003e#8 × 5\/8\"\u003c\/td\u003e\n\u003ctd\u003e60 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePhillips Round Head\u003c\/td\u003e\n\u003ctd\u003e#8 × 3\/4\"\u003c\/td\u003e\n\u003ctd\u003e40 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePhillips Round Head\u003c\/td\u003e\n\u003ctd\u003e#8 × 1\"\u003c\/td\u003e\n\u003ctd\u003e30 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePhillips Round Head\u003c\/td\u003e\n\u003ctd\u003e#8 × 1-1\/4\"\u003c\/td\u003e\n\u003ctd\u003e20 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003ePhillips Round Head\u003c\/td\u003e\n\u003ctd\u003e#8 × 1-1\/2\"\u003c\/td\u003e\n\u003ctd\u003e20 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHex Washer Head\u003c\/td\u003e\n\u003ctd\u003e#8 × 1\/2\"\u003c\/td\u003e\n\u003ctd\u003e50 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHex Washer Head\u003c\/td\u003e\n\u003ctd\u003e#8 × 5\/8\"\u003c\/td\u003e\n\u003ctd\u003e50 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHex Washer Head\u003c\/td\u003e\n\u003ctd\u003e#8 × 3\/4\"\u003c\/td\u003e\n\u003ctd\u003e40 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHex Washer Head\u003c\/td\u003e\n\u003ctd\u003e#8 × 1\"\u003c\/td\u003e\n\u003ctd\u003e30 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHex Washer Head\u003c\/td\u003e\n\u003ctd\u003e#8 × 1-1\/4\"\u003c\/td\u003e\n\u003ctd\u003e20 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd\u003eHex Washer Head\u003c\/td\u003e\n\u003ctd\u003e#8 × 1-1\/2\"\u003c\/td\u003e\n\u003ctd\u003e20 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd colspan=\"2\"\u003e\u003cstrong\u003eTotal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003e440 Pieces\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003ctd colspan=\"2\"\u003eStorage\u003c\/td\u003e\n\u003ctd\u003e1× Compartment box with size reference chart\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\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\u003eHome DIYers \u0026amp; Furniture Builders\u003c\/strong\u003e\n \u003cp\u003eFix wood furniture, connect board structures, and secure household appliances with the right head style for each task — Phillips for speed, hex washer for holding power.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🔧\u003c\/span\u003e\n \u003cstrong\u003eHVAC \u0026amp; Sheet Metal Contractors\u003c\/strong\u003e\n \u003cp\u003eKeep a single kit on the truck for duct assembly, panel fastening, and metal framing. Six lengths and two head styles cover the majority of light-gauge sheet metal jobs.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🏭\u003c\/span\u003e\n \u003cstrong\u003eElectronics \u0026amp; Industrial Maintenance\u003c\/strong\u003e\n \u003cp\u003eSecure enclosures, fix components, and perform mechanical maintenance with corrosion-resistant 410 stainless steel fasteners that hold up in demanding environments.\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\u003eScrew Size\u003c\/th\u003e\n\u003ctd\u003e#8\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLengths Available\u003c\/th\u003e\n\u003ctd\u003e1\/2\" \/ 5\/8\" \/ 3\/4\" \/ 1\" \/ 1-1\/4\" \/ 1-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHead Styles\u003c\/th\u003e\n\u003ctd\u003eHex Washer Head \u0026amp; Phillips Round Head\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDrive Styles\u003c\/th\u003e\n\u003ctd\u003eHex (Nut Driver) \u0026amp; Phillips\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePoint Type\u003c\/th\u003e\n\u003ctd\u003eSelf-Tapping (Sharp Point)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eCoarse, Full Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e410 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural Stainless\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTotal Quantity\u003c\/th\u003e\n\u003ctd\u003e440 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePackage Weight\u003c\/th\u003e\n\u003ctd\u003eApprox. 900 g (1.98 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eCompartment box with size reference chart\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eSheet metal, wood, plastic, electronics, HVAC — indoor \u0026amp; outdoor\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\u003eDo these screws require a pilot hole?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eFor most sheet metal and wood applications, no pilot hole is required — the sharp self-tapping point cuts its own thread. For harder metals or thicker gauges, a small pilot hole may improve installation quality and reduce the risk of splitting.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is the difference between the hex washer head and the Phillips round head?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe hex washer head is driven with a nut driver or socket and provides a wider bearing surface for higher clamping load and stability — ideal for structural or high-torque applications. The Phillips round head is driven with a standard Phillips bit and is faster to install, making it better suited for lighter-duty or high-volume fastening tasks.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhy is 410 stainless steel better than standard stainless?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003e410 stainless steel is a martensitic alloy with higher hardness and density than the more common 304 stainless steel. This makes it more resistant to deformation under torque and better suited for self-tapping applications where the screw must cut its own thread. It also offers good corrosion resistance in most environments.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eAre these screws suitable for outdoor use?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. 410 stainless steel resists rust and corrosion in most outdoor environments including high-humidity and temperature-variable conditions. For highly corrosive marine or coastal environments, 316 stainless steel is generally recommended for long-term exposure.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow many screws of each size and head type are included?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe kit contains 440 pieces total: Phillips Round Head (60+60+40+30+20+20 = 230 Pcs) and Hex Washer Head (50+50+40+30+20+20 = 210 Pcs) across all six lengths. See the What's in the Box table above for the full breakdown.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat tools do I need to drive these screws?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eFor the hex washer head: a 5\/16\" nut driver or socket with a power drill or impact driver. For the Phillips round head: a Phillips #2 bit with a standard power drill or cordless screwdriver. Both are compatible with common power tools.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow are the screws organized in the storage box?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe screws are sorted by size and head type into labeled compartments within a durable storage box. A size reference chart is attached to the box so you can identify each compartment at a glance without needing to measure individual screws.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your size above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51056127279378,"sku":"GBTST0007","price":35.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/440pcsGBTST0007.png?v=1762199614"},{"product_id":"390pcs-410-stainless-steel-hex-washer-head-self-drilling-tek-screw-set","title":"410 Stainless Steel Hex Washer TEK Screws – 390pcs Self-Drilling Set","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n\u003cdiv class=\"hdiy-overview\"\u003e\n \u003ch2\u003e410 Stainless Steel Hex Washer Head TEK Screws — 390-Piece Self-Drilling Assortment\u003c\/h2\u003e\n \u003cp\u003eMetal roofing, HVAC ductwork, and structural metal framing all share one common frustration: stopping to pre-drill pilot holes slows everything down. These 410 stainless steel TEK screws eliminate that step — the self-drilling tip bores through metal on contact, so you drive and fasten in a single motion with a standard hex driver.\u003c\/p\u003e\n \u003cp\u003eThe hex washer head design distributes clamping pressure across a wider surface area than pan or flat heads, making it the preferred choice for thin metal sheet applications where pull-through resistance matters. The 410 stainless steel construction (Rockwell hardness C35–45) provides corrosion resistance rated for outdoor, coastal, and industrial environments, and remains magnetic for applications where that property is required.\u003c\/p\u003e\n \u003cp\u003eThis 390-piece assortment covers sizes #8 through #14 in lengths from 3\/4\" to 1-1\/2\", organized in a compartmentalized storage box. Suitable for metal roofing, HVAC assembly, deck construction, industrial machinery, and general sheet metal fastening.\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 1\/4\" hex drivers, power drills, and impact drivers. Suitable for thin metal sheet, wood, drywall, and composite panels. Sizes #8–#14, lengths 3\/4” to 1-1\/2”.\n\u003c\/div\u003e\n\n\u003cdiv\u003e\n \u003ch2\u003e✅ Key Features of This 410 Stainless Steel TEK Screw 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\u003e410 Stainless Steel — Rockwell C35–45:\u003c\/strong\u003e Higher corrosion resistance than standard carbon steel screws. Resists rust, oxidation, and mild chemical exposure. Rated for temperatures from -20°F to 1200°F (-29°C to 649°C). Remains magnetic — useful for applications requiring magnetic fasteners.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🛠️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eSelf-Drilling Tip — No Pilot Hole Required:\u003c\/strong\u003e The integrated drill-point tip bores directly into compatible metal surfaces on contact. Eliminates the pre-drilling step for significant time savings on repetitive fastening tasks.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eHex Washer Head for Maximum Holding Power:\u003c\/strong\u003e The hexagonal head with integrated washer distributes clamping pressure across a wider surface area, reducing pull-through on thin metal sheet. Drives with a standard 1\/4\" hex bit — no special tools required.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e💪\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eSharp, Precision-Cut Threads:\u003c\/strong\u003e High-precision thread cutting produces clean, uniform threads that grip firmly without slippage or deformation. The thread profile maintains consistent tension under load and vibration.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e390-Piece Assortment — Sizes #8 to #14:\u003c\/strong\u003e Multiple sizes and lengths (3\/4\" to 1-1\/2\") in one organized set. Covers the most common TEK screw sizes for roofing, HVAC, and structural metal applications without needing multiple separate purchases.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🏠\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eWide Application Range:\u003c\/strong\u003e Suitable for metal roofing, HVAC ductwork, deck construction, industrial machinery, electronic enclosures, gardening equipment, and general sheet metal assembly in home, office, and industrial settings.\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\u003eRoofing \u0026amp; HVAC Contractors\u003c\/strong\u003e\n \u003cp\u003eSpeed up metal roofing panel installation and HVAC ductwork assembly. The self-drilling tip eliminates pilot holes on repetitive fastening runs, and the hex washer head provides the pull-through resistance required for thin metal sheet applications.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🔨\u003c\/span\u003e\n \u003cstrong\u003eDIY Home Renovators\u003c\/strong\u003e\n \u003cp\u003eAttach metal brackets, secure sheet metal panels, or fasten hardware to wood and composite surfaces. The 390-piece assortment covers most home project needs, and the organized storage box makes it easy to find the right size quickly.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🏭\u003c\/span\u003e\n \u003cstrong\u003eIndustrial \u0026amp; Workshop Fabricators\u003c\/strong\u003e\n \u003cp\u003eUse in assembly lines, fabrication shops, and maintenance applications where corrosion-resistant fasteners are required. The 410 stainless steel construction handles exposure to oils, mild chemicals, and outdoor humidity.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🧰\u003c\/span\u003e\n \u003cstrong\u003eGeneral Maintenance \u0026amp; Repair\u003c\/strong\u003e\n \u003cp\u003eKeep a set on hand for ad-hoc repairs to metal enclosures, appliance panels, outdoor furniture frames, and storage units. The variety of sizes means you're covered for most unexpected fastening needs.\u003c\/p\u003e\n \u003c\/div\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-table-wrap\"\u003e\n \u003ch2\u003e📏 Technical Specifications\u003c\/h2\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003cth\u003eType\u003c\/th\u003e\n\u003ctd\u003eSelf-Drilling TEK Screws (Hex Washer Head)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e410 Stainless Steel (magnetic, corrosion-resistant)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHardness\u003c\/th\u003e\n\u003ctd\u003eRockwell C35–45\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eHex Washer Head (1\/4\" hex drive)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003e1\/4\" Hex (compatible with standard hex drivers and impact drivers)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTip Type\u003c\/th\u003e\n\u003ctd\u003eSelf-drilling (no pilot hole required for compatible materials)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eSizes Included\u003c\/th\u003e\n\u003ctd\u003e#8, #10, #12, #14\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLengths Included\u003c\/th\u003e\n\u003ctd\u003e3\/4\" to 1-1\/2\" (multiple lengths)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eQuantity\u003c\/th\u003e\n\u003ctd\u003e390 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTemperature Range\u003c\/th\u003e\n\u003ctd\u003e-20°F to 1200°F (-29°C to 649°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTotal Weight\u003c\/th\u003e\n\u003ctd\u003e983g (approx. 2.17 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCompatible Materials\u003c\/th\u003e\n\u003ctd\u003eThin metal sheet, wood, drywall, composite panels\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eRecommended Environments\u003c\/th\u003e\n\u003ctd\u003eIndoor and outdoor; suitable for humid, coastal, and industrial 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-faq\"\u003e\n \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n \u003cdetails\u003e\n \u003csummary\u003eDo I need to drill a pilot hole before using these TEK screws?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo — that's the defining feature of self-drilling (TEK) screws. The drill-point tip bores through compatible materials on contact as you drive the screw. For typical thin metal sheet, wood, and composite applications, no pre-drilling is required. For very thick or hardened steel beyond the screw's drilling capacity, a pilot hole may still be needed.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat driver do I need for hex washer head screws?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA standard 1\/4\" hex driver bit works with these screws — compatible with both manual nut drivers and power drills\/impact drivers. Using a power drill or impact driver at moderate torque gives the best results. Too high a torque setting can over-drive the screw and strip the material around the hole.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eAre these screws suitable for outdoor or coastal environments?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The 410 stainless steel construction provides corrosion resistance suitable for outdoor installations, metal roofing, and humid environments. It resists rust and mild acid exposure under normal outdoor conditions. Note that 410 stainless steel is magnetic — for fully submerged or severe salt-spray marine applications, 316 stainless steel would be a more appropriate choice.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is the difference between #8, #10, #12, and #14 screw sizes?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe number refers to the screw's major thread diameter. #8 is the smallest (approx. 0.164\") and #14 is the largest (approx. 0.242\") in this set. Larger numbers indicate thicker screws with greater holding power, suitable for thicker or denser materials. The length (3\/4\" to 1-1\/2\") determines how deep the screw penetrates the material.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhy choose hex washer head over pan head or flat head for sheet metal?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe hex washer head has an integrated washer flange that distributes clamping pressure across a larger surface area than pan or flat heads. This reduces pull-through on thin metal sheet and provides better sealing against moisture ingress — important for roofing and outdoor applications. The hex drive also allows higher torque application without cam-out.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eCan I use these screws with an impact driver?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Impact drivers work well with hex washer head TEK screws. Use a moderate torque setting to avoid over-driving, especially in thin metal sheet applications. The 1\/4\" hex shank is directly compatible with standard impact driver chucks — no adapter needed.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow many screws of each size are in the 390-piece set?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe exact quantity breakdown by size and length is shown in the product images. The set is designed to provide a practical assortment of the most commonly used sizes (#8–#14) and lengths (3\/4\"–1-1\/2\") for roofing, HVAC, and general sheet metal applications.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is the temperature rating of 410 stainless steel screws?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003e410 stainless steel maintains its mechanical properties from -20°F to 1200°F (-29°C to 649°C). This makes it suitable for applications near heat sources, HVAC systems, and outdoor environments with significant temperature variation. Above 1200°F, the material may begin to lose hardness and corrosion resistance.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003cdiv class=\"hdiy-cta\"\u003e🛒 Add to cart above to get your 390-piece 410 stainless steel TEK screw assortment.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51056217129234,"sku":"GBTST0009","price":34.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/9_e5e54c57-c249-40e6-b8a9-7c263d6c49d2.webp?v=1762199616"},{"product_id":"self-tapping-screws-assortment-450-pack-hex-washer-wafer-head","title":"Self-Tapping Screws Assortment Kit, 450-Pack, Hex Washer \u0026 Wafer Head, Zinc-Coated, #6–#14","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n \u003cdiv class=\"hdiy-overview\"\u003e\n \u003ch2\u003eSelf-Tapping Screws Assortment — 450 Pieces, Two Head Styles, Five Sizes\u003c\/h2\u003e\n \u003cp\u003eRunning out of the right screw size mid-project is a frustrating setback. This 450-piece self-tapping screw assortment gives DIYers, contractors, and maintenance professionals a comprehensive supply of the most commonly needed sizes and head styles — all in one organized kit. No pre-drilling required; the sharp thread point drives directly into wood, metal, and drywall.\u003c\/p\u003e\n \u003cp\u003eThe kit includes screws in five imperial sizes — #6 (3\/4\"), #8 (1\"), #10 (1-1\/4\"), #12 (1-1\/2\"), and #14 (2\") — in both hex washer head and wafer head configurations. All screws are manufactured from 410 stainless steel with a zinc yellow chromate coating, achieving 45–50 HRC hardness for reliable holding power without stripping or deformation. Package weight is approximately 1,003 g.\u003c\/p\u003e\n \u003cp\u003eIdeal for drywall installation, metal framing, HVAC ductwork, deck building, door hinge mounting, and general household or workshop repairs. The dual head-style selection lets you match the fastener to the substrate and load requirements of each specific task.\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 wood, thin-gauge sheet metal, drywall, plastic panels, and light structural steel — suitable for residential, commercial, and industrial fastening applications\n \u003c\/div\u003e\n\n \u003cdiv\u003e\n \u003ch2\u003e✅ Key Features of These Self-Tapping 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\u003eDual Head Style — Hex Washer \u0026amp; Wafer:\u003c\/strong\u003e Hex washer head distributes clamping force over a wider bearing surface for thin metal; wafer head sits flush for a clean, low-profile finish on wood and drywall.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e450-Piece, 5-Size Assortment (#6–#14):\u003c\/strong\u003e Covers the most common self-tapping screw sizes in a single kit, reducing the need for multiple separate purchases and keeping your toolbox stocked for any job.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eZinc Yellow Chromate Coating:\u003c\/strong\u003e Weather-resistant zinc plating provides corrosion protection for both indoor and outdoor applications, extending screw service life in humid or exposed environments.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e💪\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e410 Stainless Steel, 45–50 HRC:\u003c\/strong\u003e High-hardness martensitic stainless steel resists deformation under torque, maintains thread integrity, and outperforms standard carbon steel screws in corrosion resistance.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🚀\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eSelf-Tapping — No Pre-Drilling Needed:\u003c\/strong\u003e Type A and Type B thread forms cut their own mating threads on contact, saving time and eliminating the need for a separate pilot-hole step on most substrates.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eBroad Application Range:\u003c\/strong\u003e Suitable for drywall, metal framing, HVAC systems, deck building, door hinges, electronic enclosures, garden tools, and general household repairs.\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\u003eHex Washer Head Self-Tapping Screws — #6, #8, #10, #12, #14 (assorted quantities)\u003c\/li\u003e\n \u003cli\u003eWafer Head Self-Tapping Screws — #6, #8, #10, #12, #14 (assorted quantities)\u003c\/li\u003e\n \u003cli\u003eTotal: 450 screws\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\u003eDIY Homeowners \u0026amp; Renovators\u003c\/strong\u003e\n \u003cp\u003eKeep a full size range on hand for drywall patching, cabinet installation, door hinge repairs, and general home maintenance without multiple trips to the hardware store.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🌬️\u003c\/span\u003e\n \u003cstrong\u003eHVAC \u0026amp; Sheet Metal Technicians\u003c\/strong\u003e\n \u003cp\u003eSecure ductwork, brackets, and metal panels quickly with hex washer head screws that grip thin-gauge steel without pre-drilling.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🔨\u003c\/span\u003e\n \u003cstrong\u003eContractors \u0026amp; Framers\u003c\/strong\u003e\n \u003cp\u003eDrive through metal framing, decking, and structural panels with confidence — the 45–50 HRC hardness ensures threads hold under load without stripping.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🛠️\u003c\/span\u003e\n \u003cstrong\u003eWorkshop \u0026amp; Maintenance Professionals\u003c\/strong\u003e\n \u003cp\u003eStock a versatile assortment for equipment enclosures, garden tool repairs, office furniture assembly, and light industrial fastening tasks.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-table-wrap\"\u003e\n \u003ch2\u003e📐 Technical Specifications\u003c\/h2\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003cth\u003eSizes Included\u003c\/th\u003e\n\u003ctd\u003e#6 (3\/4\") · #8 (1\") · #10 (1-1\/4\") · #12 (1-1\/2\") · #14 (2\")\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHead Styles\u003c\/th\u003e\n\u003ctd\u003eHex Washer Head \u0026amp; Wafer Head\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eType A \u0026amp; Type B Self-Tapping\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e410 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHardness\u003c\/th\u003e\n\u003ctd\u003e45–50 HRC\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eCoating \/ Finish\u003c\/th\u003e\n\u003ctd\u003eZinc Yellow Chromate\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTotal Quantity\u003c\/th\u003e\n\u003ctd\u003e450 pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePackage Weight\u003c\/th\u003e\n\u003ctd\u003e1,003 g\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eSuitable Substrates\u003c\/th\u003e\n\u003ctd\u003eWood, sheet metal, drywall, plastic, light steel\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\u003eDo these screws require a pilot hole?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eGenerally no. The self-tapping thread form cuts its own mating thread in wood, drywall, and thin metal. For harder or thicker steel, a small pilot hole may improve driving performance.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is the difference between hex washer head and wafer head?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe hex washer head has a wider bearing flange and is driven with a hex (nut driver or socket) for higher torque applications on metal. The wafer head has a low-profile, flat top suited for flush-mount applications on wood and drywall, typically driven with a Phillips bit.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eAre these screws magnetic?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. 410 stainless steel is a martensitic grade and is magnetic, unlike austenitic grades such as 304 or 316.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is the difference between Type A and Type B thread?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eType A has a sharp point and coarser thread pitch, designed for thin sheet metal and light-gauge materials. Type B has a blunter point and finer thread pitch, suited for thicker metal and plastics where a more controlled thread engagement is needed.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eCan these screws be used outdoors?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The zinc yellow chromate coating provides corrosion resistance for outdoor use. For prolonged exposure to salt spray or coastal environments, additional sealing or a higher-grade coating may be advisable.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat driver bit is recommended?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eWafer head screws typically use a Phillips PH2 bit. Hex washer head screws are driven with a hex nut driver or socket matching the head size — typically 1\/4\" or 5\/16\" hex.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow are the 450 screws distributed across sizes?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe exact per-size quantity distribution is shown on the product packaging. The assortment covers five sizes (#6 through #14) across both head styles for a total of 450 pieces.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your quantity above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51056217162002,"sku":"GBTST0010","price":39.45,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/13_a8be3035-c7f5-4307-b323-1fb7e19a2941.webp?v=1762199616"},{"product_id":"8-phillips-wafer-head-self-tapping-screws-410-stainless-steel-black-190-piece-kit","title":"#8 Phillips Wafer Head Self-Tapping Screws 410 Stainless Steel Black – 190-Piece Kit","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n \u003cdiv class=\"hdiy-overview\"\u003e\n \u003ch2\u003e#8 Phillips Wafer Head Self-Tapping Screws — 190 Pieces, Five Lengths, Black 410 Stainless Steel\u003c\/h2\u003e\n \u003cp\u003eFinding the right screw for sheet metal, furniture frames, or trailer tracks shouldn’t slow down your build. This 190-piece assortment puts five of the most-used #8 wafer head lengths in one organized kit — so you can grab the right size and keep moving.\u003c\/p\u003e\n \u003cp\u003eEach screw is machined from 410 stainless steel with a black coating for a clean, low-profile finish. The wafer head sits flush against thin materials, and the Phillips drive works with any standard power drill or screwdriver. Lengths range from 1\/2\" to 1-1\/4\", covering the most common light-gauge sheet metal and panel fastening tasks. Package weight is approximately 400 g (0.88 lb).\u003c\/p\u003e\n \u003cp\u003eFrom metal sheet assembly and furniture hardware to trailer track fastening and plastic panel installation, these black self-tapping screws deliver a fast, corrosion-resistant hold in both indoor and outdoor environments.\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 sheet metal, wood, furniture frames, plastic panels, and trailer tracks — suitable for indoor and outdoor applications\n \u003c\/div\u003e\n\n \u003cdiv\u003e\n \u003ch2\u003e✅ Key Features of These #8 Phillips Wafer Head Self-Tapping 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\u003eSelf-Tapping Design:\u003c\/strong\u003e Sharp tip cuts its own thread into sheet metal, wood, and plastic without a pilot hole — faster installation with fewer steps.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e410 Stainless Steel with Black Coating:\u003c\/strong\u003e High-hardness alloy resists corrosion and oxidation; the black finish adds a clean, low-profile aesthetic suited to visible applications.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eWafer Head Profile:\u003c\/strong\u003e Low-profile head sits flush against thin materials, reducing snag points and providing a neat finish on sheet metal, furniture, and panels.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e5 Lengths in One Kit:\u003c\/strong\u003e #8 × 1\/2\", 5\/8\", 3\/4\", 1\", and 1-1\/4\" — the most-used sizes for light-gauge sheet metal and panel fastening, all in one organized box.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🗂️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eThickened Compartment Storage Box:\u003c\/strong\u003e Durable plastic box with labeled dividers keeps each size separated and easy to identify — no loose bags or mixed sizes.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eBroad Application Range:\u003c\/strong\u003e Ideal for sheet metal assembly, furniture hardware, trailer track fastening, plastic housings, and general light-gauge metal fabrication.\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\u003eScrews — #8 × 1\/2\" (quantity: see variant options)\u003c\/li\u003e\n \u003cli\u003eScrews — #8 × 5\/8\" (quantity: see variant options)\u003c\/li\u003e\n \u003cli\u003eScrews — #8 × 3\/4\" (quantity: see variant options)\u003c\/li\u003e\n \u003cli\u003eScrews — #8 × 1\" (quantity: see variant options)\u003c\/li\u003e\n \u003cli\u003eScrews — #8 × 1-1\/4\" (quantity: see variant options)\u003c\/li\u003e\n \u003cli\u003e1× Thickened labeled compartment storage box\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\u003eHome DIYers \u0026amp; Furniture Builders\u003c\/strong\u003e\n \u003cp\u003eAttach metal brackets, secure furniture frames, or fasten plastic panels with a flush-sitting wafer head that leaves a clean finish on visible surfaces.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🚛\u003c\/span\u003e\n \u003cstrong\u003eTrailer \u0026amp; RV Owners\u003c\/strong\u003e\n \u003cp\u003eFasten trailer tracks, floor panels, and metal trim with a corrosion-resistant screw that holds up to outdoor exposure and vibration without loosening.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🏭\u003c\/span\u003e\n \u003cstrong\u003eSheet Metal Fabricators\u003c\/strong\u003e\n \u003cp\u003eAssemble light-gauge metal enclosures, ductwork panels, and aluminum housings quickly — five lengths cover the most common fabrication thicknesses in one kit.\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\u003eScrew Size\u003c\/th\u003e\n\u003ctd\u003e#8\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLengths Available\u003c\/th\u003e\n\u003ctd\u003e1\/2\" \/ 5\/8\" \/ 3\/4\" \/ 1\" \/ 1-1\/4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eWafer (Pan) Head\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003ePhillips\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePoint Type\u003c\/th\u003e\n\u003ctd\u003eSelf-Tapping (Sharp Point)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eCoarse, Full Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e410 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eBlack Coating\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTotal Quantity\u003c\/th\u003e\n\u003ctd\u003e190 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePackage Weight\u003c\/th\u003e\n\u003ctd\u003eApprox. 400 g (0.88 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eThickened labeled compartment box\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eSheet metal, wood, furniture, plastic, trailer tracks — indoor \u0026amp; outdoor\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\u003eDo these screws require a pilot hole?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo. The self-tapping sharp point cuts its own thread into sheet metal, wood, and plastic without a pre-drilled pilot hole, saving time and reducing the number of tools needed.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat materials can these screws fasten?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese screws are suitable for sheet metal, wood, furniture frames, plastic panels, and trailer tracks. The coarse thread provides a secure hold across a wide range of light-gauge substrates.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWill the black coating rust or peel over time?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe 410 stainless steel base provides good corrosion resistance. The black coating adds an additional layer of protection and aesthetic finish. For highly corrosive or marine environments, 316 stainless steel is generally recommended for long-term outdoor exposure.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat screwdriver or bit do I need?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA standard Phillips #2 bit fits these screws. A power drill or cordless screwdriver set to moderate torque is recommended for sheet metal applications to avoid stripping the head.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eAre these screws suitable for outdoor use?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The 410 stainless steel construction with black coating offers good resistance to corrosion and oxidation, making these screws suitable for outdoor applications including trailer tracks, metal panels, and exterior furniture hardware.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is the difference between self-tapping and self-drilling screws?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eSelf-tapping screws have a sharp point that cuts threads into pre-softened or thin materials but typically require a pilot hole in harder metals. Self-drilling screws have a drill-bit tip that bores through metal without any pilot hole. These are self-tapping screws, best suited for sheet metal, wood, plastic, and furniture applications.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow are the screws organized in the box?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAll 190 screws come in a thickened durable plastic compartment box with labeled dividers for each of the five lengths. Each size has its own section so you can identify and retrieve the correct length instantly.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your size above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51090982732050,"sku":"UKC660","price":24.25,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/1_dc484ccb-e1cf-46ee-b4d9-5b7357d9ae9e.webp?v=1764922611"},{"product_id":"8-hex-washer-head-self-drilling-tek-screws-stainless-steel-165-piece-kit","title":"#8 Hex Washer Head Self-Drilling Tek Screws Stainless Steel – 165-Piece Assortment Kit","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n \u003cdiv class=\"hdiy-overview\"\u003e\n \u003ch2\u003e#8 Hex Washer Head Self-Drilling Tek Screws — 165 Pieces, Six Lengths, Zero Pilot Holes\u003c\/h2\u003e\n \u003cp\u003eSwitching between screw sizes mid-project wastes time and kills momentum. Whether you're a contractor securing metal roofing or a DIYer assembling a metal shed, having the right length on hand makes all the difference. This 165-piece assortment covers six of the most-used #8 lengths in a single organized kit.\u003c\/p\u003e\n \u003cp\u003eEach screw is made from stainless steel and features a hex washer head for a positive wrench grip and a self-drilling TEK tip that eliminates the need for a pilot hole. Lengths range from 1\/2\" to 1-1\/2\", covering light-gauge sheet metal, wood, and aluminum fastening tasks. Package weight is approximately 360 g (0.79 lb).\u003c\/p\u003e\n \u003cp\u003eFrom HVAC ductwork and metal framing to roofing panels and aluminum extrusions, these #8 self-tapping hex head screws deliver a fast, secure connection in demanding indoor and outdoor environments.\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 sheet metal, wood, aluminum, and plastic substrates — suitable for indoor and outdoor applications\n \u003c\/div\u003e\n\n \u003cdiv\u003e\n \u003ch2\u003e✅ Key Features of These #8 Hex Washer Head Self-Drilling 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\u003eSelf-Drilling TEK Tip:\u003c\/strong\u003e Bores through light-gauge sheet metal, wood, and aluminum without a pilot hole — faster installation with fewer tools on site.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eStainless Steel Construction:\u003c\/strong\u003e Corrosion and rust-resistant material holds up in high-humidity, outdoor, and temperature-variable environments without costly maintenance.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eHex Washer Head:\u003c\/strong\u003e Wide washer base distributes clamping load and prevents pull-through; hex drive provides a positive grip for power tools and manual wrenches alike.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e6 Lengths in One Kit:\u003c\/strong\u003e #8 × 1\/2\", 5\/8\", 3\/4\", 1\", 1-1\/4\", and 1-1\/2\" — the most common TEK screw lengths for sheet metal and panel fastening, all in one box.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🗂️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eLabeled Transparent Storage Box:\u003c\/strong\u003e Each size has its own compartment with a clear label — grab the right length instantly without sorting through loose fasteners.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eBroad Application Range:\u003c\/strong\u003e Ideal for metal roofing, HVAC ductwork, metal framing, aluminum extrusions, wood-to-metal connections, and general sheet metal assembly.\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\u003eScrews — #8 × 1\/2\" (quantity: see variant options)\u003c\/li\u003e\n \u003cli\u003eScrews — #8 × 5\/8\" (quantity: see variant options)\u003c\/li\u003e\n \u003cli\u003eScrews — #8 × 3\/4\" (quantity: see variant options)\u003c\/li\u003e\n \u003cli\u003eScrews — #8 × 1\" (quantity: see variant options)\u003c\/li\u003e\n \u003cli\u003eScrews — #8 × 1-1\/4\" (quantity: see variant options)\u003c\/li\u003e\n \u003cli\u003eScrews — #8 × 1-1\/2\" (quantity: see variant options)\u003c\/li\u003e\n \u003cli\u003e1× Labeled transparent compartment storage box\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\u003eHome DIYers \u0026amp; Weekend Builders\u003c\/strong\u003e\n \u003cp\u003eAttach metal brackets, secure shed panels, or fasten aluminum trim without stopping to pre-drill — six sizes mean you're covered for most home projects.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🔧\u003c\/span\u003e\n \u003cstrong\u003eHVAC \u0026amp; Sheet Metal Contractors\u003c\/strong\u003e\n \u003cp\u003eKeep a kit in the truck for duct assembly, metal framing, and panel fastening. The hex head works with standard nut drivers for fast, consistent torque.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🏗️\u003c\/span\u003e\n \u003cstrong\u003eRoofing \u0026amp; Construction Professionals\u003c\/strong\u003e\n \u003cp\u003eSecure metal roofing panels and flashing with a corrosion-resistant fastener that holds up to outdoor exposure without rusting or loosening over time.\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\u003eScrew Size\u003c\/th\u003e\n\u003ctd\u003e#8\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLengths Available\u003c\/th\u003e\n\u003ctd\u003e1\/2\" \/ 5\/8\" \/ 3\/4\" \/ 1\" \/ 1-1\/4\" \/ 1-1\/2\"\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eHex Washer Head\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003eHex (Nut Driver \/ Socket)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePoint Type\u003c\/th\u003e\n\u003ctd\u003eSelf-Drilling (TEK)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eCoarse, Full Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural Stainless\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTotal Quantity\u003c\/th\u003e\n\u003ctd\u003e165 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePackage Weight\u003c\/th\u003e\n\u003ctd\u003eApprox. 360 g (0.79 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eLabeled transparent compartment box\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eSheet metal, wood, aluminum, plastic — indoor \u0026amp; outdoor\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\u003eDo these screws require a pilot hole?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo. The self-drilling TEK tip is designed to bore through light-gauge sheet metal, wood, and aluminum without a pre-drilled pilot hole, saving time and reducing the number of tools needed on site.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat materials can these screws fasten?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese screws are suitable for sheet metal, wood, aluminum, and plastic. The coarse thread and self-drilling tip provide a secure hold across a wide range of substrates commonly used in construction and DIY projects.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eAre these screws suitable for outdoor use?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. Stainless steel offers good corrosion and rust resistance, making these screws suitable for outdoor applications. For highly corrosive marine or coastal environments, 316 stainless steel is generally recommended over standard stainless.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat tool do I need to drive these screws?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA standard nut driver or socket (typically 5\/16\") fits the hex head. A power drill or impact driver with the appropriate nut driver bit is recommended for sheet metal applications to ensure consistent torque and clean seating.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat gauge sheet metal can these screws drill through?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese are designed for light-gauge sheet metal applications. The exact gauge capacity depends on the screw length and the substrate. For heavy-gauge steel (typically 12 gauge or thicker), a higher TEK drill-point number is generally required — contact us to confirm suitability for your specific application.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow are the screws organized in the box?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAll 165 screws come in a durable transparent compartment box with labeled dividers for each of the six lengths. This makes it easy to identify and retrieve the correct size without sorting through loose fasteners.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eCan I use these screws with a Phillips screwdriver?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo — these screws have a hex washer head designed for a nut driver or socket, not a Phillips bit. Using the wrong driver type may damage the head and make removal difficult.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your size above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51090982830354,"sku":"UKC811","price":35.92,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/NHFAV4J_FRW4RE0HHP7Z4_B.png?v=1764922584"},{"product_id":"m4-2-self-drilling-wafer-head-phillips-screws-stainless-steel-210-piece-kit","title":"M4.2 Self-Drilling Wafer Head Phillips Screws 410 Stainless Steel – 210-Piece Assortment Kit","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n \u003cdiv class=\"hdiy-overview\"\u003e\n \u003ch2\u003eM4.2 Self-Drilling Wafer Head Screws — One Kit, Six Sizes, Zero Pre-Drilling\u003c\/h2\u003e\n \u003cp\u003eTired of stopping mid-project to hunt for the right screw size? DIYers and tradespeople who work with sheet metal, wood, and fiberglass know how quickly a missing fastener can derail a job. This 210-piece assortment puts six of the most-used M4.2 lengths in one organized box so you're always ready.\u003c\/p\u003e\n \u003cp\u003eEach screw is machined from 410 stainless steel and features a wafer head with Phillips drive. Sizes range from M4.2×13mm to M4.2×50mm (roughly ½\" to 2\"), covering the full spectrum of light-gauge sheet metal and panel fastening tasks. Total weight is approximately 531 g.\u003c\/p\u003e\n \u003cp\u003eWhether you're installing HVAC ductwork, securing roofing panels, assembling metal shelving, or fastening fiberglass enclosures, these self-tapping sheet metal screws deliver a tight, corrosion-resistant hold — indoors or out.\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 metal, wood, fiberglass, and plastic substrates — suitable for indoor and outdoor applications in high-humidity, high-temperature, and cold environments\n \u003c\/div\u003e\n\n \u003cdiv\u003e\n \u003ch2\u003e✅ Key Features of These M4.2 Self-Drilling Wafer 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\u003eSelf-Drilling Tip:\u003c\/strong\u003e Sharp drill-point tip bores through light-gauge sheet metal without a pilot hole, saving time and reducing tool changes on the job.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🛡️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e410 Stainless Steel:\u003c\/strong\u003e High-hardness alloy resists oxidation, corrosion, and deformation — performs reliably in humid, cold, and high-temperature environments without costly maintenance.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e6 Sizes in One Kit:\u003c\/strong\u003e M4.2×13 \/ 19 \/ 25 \/ 32 \/ 38 \/ 50 mm — covers the most common sheet metal fastening lengths so you're never caught short on a project.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🗂️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eOrganized Storage Box:\u003c\/strong\u003e Durable transparent compartment box with labeled dividers lets you identify and grab the right size at a glance — no rummaging through loose bags.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eWafer Head + Phillips Drive:\u003c\/strong\u003e Low-profile wafer head sits flush against thin materials; Phillips drive is compatible with standard power drills and screwdrivers for fast installation.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eBroad Application Range:\u003c\/strong\u003e Ideal for HVAC ductwork, roofing panels, metal framing, fiberglass enclosures, plastic housings, and general sheet metal assembly in home, office, or industrial settings.\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\u003e50 Pcs — M4.2×13mm\u003c\/li\u003e\n \u003cli\u003e50 Pcs — M4.2×19mm\u003c\/li\u003e\n \u003cli\u003e40 Pcs — M4.2×25mm\u003c\/li\u003e\n \u003cli\u003e30 Pcs — M4.2×32mm\u003c\/li\u003e\n \u003cli\u003e20 Pcs — M4.2×38mm\u003c\/li\u003e\n \u003cli\u003e20 Pcs — M4.2×50mm\u003c\/li\u003e\n \u003cli\u003e1× Labeled transparent storage box\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\u003eHome DIYers\u003c\/strong\u003e\n \u003cp\u003ePerfect for weekend projects — attach metal brackets, secure ductwork, or fasten panels without needing a separate drill bit or pilot hole step.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🔧\u003c\/span\u003e\n \u003cstrong\u003eHVAC \u0026amp; Sheet Metal Contractors\u003c\/strong\u003e\n \u003cp\u003eKeep a kit on the truck for duct assembly and panel fastening. Six sizes mean fewer trips to the supply house mid-job.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🏭\u003c\/span\u003e\n \u003cstrong\u003eLight Industrial \u0026amp; Manufacturing\u003c\/strong\u003e\n \u003cp\u003eAssemble metal enclosures, fiberglass housings, and plastic panels with a corrosion-resistant fastener that holds up in demanding environments.\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\u003eThread Diameter\u003c\/th\u003e\n\u003ctd\u003eM4.2\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLengths Available\u003c\/th\u003e\n\u003ctd\u003e13 mm \/ 19 mm \/ 25 mm \/ 32 mm \/ 38 mm \/ 50 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eWafer (Pan) Head\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDrive Style\u003c\/th\u003e\n\u003ctd\u003ePhillips\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePoint Type\u003c\/th\u003e\n\u003ctd\u003eSelf-Drilling (TEK)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eThread Type\u003c\/th\u003e\n\u003ctd\u003eCoarse, Full Thread\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e410 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural Stainless\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTotal Quantity\u003c\/th\u003e\n\u003ctd\u003e210 Pieces\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePackage Weight\u003c\/th\u003e\n\u003ctd\u003eApprox. 531 g (1.17 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eLabeled transparent compartment box\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eMetal, wood, fiberglass, plastic — indoor \u0026amp; outdoor\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\u003eDo these screws require a pilot hole?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo. The self-drilling tip is designed to bore through light-gauge sheet metal and similar materials without a pre-drilled pilot hole, saving time and reducing the number of tools needed.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat materials can these screws fasten?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThey are suitable for metal, wood, fiberglass, and plastic. The sharp coarse threads draw materials together and provide a secure hold across a wide range of substrates.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eAre these screws suitable for outdoor use?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. 410 stainless steel offers good corrosion and oxidation resistance, making these screws suitable for outdoor applications including high-humidity, cold, and high-temperature environments. For highly corrosive marine environments, 316 stainless steel is generally recommended instead.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat drill or screwdriver do I need?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eA standard power drill or cordless screwdriver with a Phillips #2 bit is typically sufficient. For sheet metal applications, a variable-speed drill set to a moderate torque is recommended to avoid stripping the head.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat is the thread pitch of these M4.2 screws?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThese are coarse-thread self-tapping screws. The exact pitch follows standard sheet metal screw specifications for M4.2 diameter — typically around 1.41 mm. Please contact us to confirm if your application requires a precise pitch specification.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eCan I use these screws with a manual screwdriver?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eWhile possible for softer materials like wood or plastic, a power drill is strongly recommended for sheet metal applications. The self-drilling tip requires consistent rotational force to penetrate metal cleanly.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow are the screws packaged and organized?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eAll 210 screws come in a durable transparent compartment box with labeled dividers for each of the six sizes. This makes it easy to identify and retrieve the correct length without sorting through loose fasteners.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your size above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":51091010191634,"sku":"UKC659","price":15.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/210Pcs_Self_Drilling_Wafer_Head_Phillips_Screws_Stainless_Steel_Self_Tapping_Kit_-_HomeDIYer.jpg?v=1762199751"},{"product_id":"black-self-drilling-wafer-head-screws-410","title":"Black Self Drilling Wafer Head Screws Steel Self Tapping Screws for Metal Sheets","description":"\u003cdiv class=\"hdiy-product-detail\"\u003e\n\n \u003c!-- Product Overview --\u003e\n \u003cdiv class=\"hdiy-section\"\u003e\n \u003ch2 class=\"hdiy-heading\"\u003e🔩 Black Self‑Drilling Wafer Head Screws – 410 Stainless Steel\u003c\/h2\u003e\n \u003cp class=\"hdiy-text\"\u003e\n Drill and fasten in one step with these black self‑drilling wafer head screws. The built‑in drill point punches through sheet metal, steel studs, and wood without a pilot hole, saving you time and tool changes. A wide, low‑profile wafer head spreads the clamp force to prevent pull‑through, while the black finish keeps the hardware discreet on dark surfaces. Manufactured from 410 stainless steel, they deliver higher hardness than standard 304 and good corrosion resistance for indoor and light outdoor use – perfect for metal roofing, HVAC ducts, automotive panels, and steel framing. Available in M4.2 and M4.8 diameters with lengths from 13 mm to 50 mm, each size is deeply threaded for a strong, vibration‑resistant hold. Whether you’re hanging ductwork or assembling a shed, these screws let you skip the pilot hole and get on with the job.\n \u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003c!-- Key Features – vertical list for SEO --\u003e\n \u003cdiv class=\"hdiy-section\"\u003e\n \u003ch2 class=\"hdiy-heading\"\u003e⚙️ Key Features – Black Self‑Drilling Wafer Head Screws\u003c\/h2\u003e\n \u003cul class=\"hdiy-feature-list\"\u003e\n \u003cli\u003eSelf‑drilling tip eliminates the need for a separate pilot hole – drives directly into steel studs, sheet metal, and wood\u003c\/li\u003e\n \u003cli\u003eWide wafer head (modified truss) provides a broad bearing surface that resists pull‑through in thin materials\u003c\/li\u003e\n \u003cli\u003e410 stainless steel construction offers higher strength and hardness than 304, with good atmospheric corrosion resistance\u003c\/li\u003e\n \u003cli\u003eBlack surface finish reduces glare and blends into dark backgrounds for a clean, professional look\u003c\/li\u003e\n \u003cli\u003eSharp Phillips recess ensures positive driver engagement and helps reduce cam‑out during installation\u003c\/li\u003e\n \u003cli\u003eAvailable in M4.2 and M4.8 diameters, covering the most popular sizes for metal‑to‑metal and metal‑to‑wood connections\u003c\/li\u003e\n \u003cli\u003eIdeal for metal roofing, HVAC ductwork, steel framing, auto body work, and general construction\u003c\/li\u003e\n \u003c\/ul\u003e\n \u003c\/div\u003e\n\n \u003c!-- Specifications Table --\u003e\n \u003cdiv class=\"hdiy-section\"\u003e\n \u003ch2 class=\"hdiy-heading\"\u003e📋 Technical Specifications – Self‑Drilling Wafer Head Screws\u003c\/h2\u003e\n \u003cdiv class=\"hdiy-table-wrapper\"\u003e\n \u003ctable class=\"hdiy-table\"\u003e\n \u003cthead\u003e\n \u003ctr\u003e\n \u003cth\u003eSize\u003c\/th\u003e\n \u003cth\u003eThread Diameter\u003c\/th\u003e\n \u003cth\u003eTypical Lengths (mm)\u003c\/th\u003e\n \u003cth\u003eHead Style\u003c\/th\u003e\n \u003cth\u003eDrive\u003c\/th\u003e\n \u003cth\u003eMaterial \u0026amp; Finish\u003c\/th\u003e\n \u003c\/tr\u003e\n \u003c\/thead\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n \u003ctd\u003eM4.2\u003c\/td\u003e\n \u003ctd\u003e4.2 mm\u003c\/td\u003e\n \u003ctd\u003e13, 16, 19, 25, 32, 38, 50\u003c\/td\u003e\n \u003ctd\u003eWafer (Modified Truss)\u003c\/td\u003e\n \u003ctd\u003ePhillips\u003c\/td\u003e\n \u003ctd\u003e410 Stainless Steel, Black\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003ctr\u003e\n \u003ctd\u003eM4.8\u003c\/td\u003e\n \u003ctd\u003e4.8 mm\u003c\/td\u003e\n \u003ctd\u003e13, 16, 19, 25, 32, 38, 50\u003c\/td\u003e\n \u003ctd\u003eWafer (Modified Truss)\u003c\/td\u003e\n \u003ctd\u003ePhillips\u003c\/td\u003e\n \u003ctd\u003e410 Stainless Steel, Black\u003c\/td\u003e\n \u003c\/tr\u003e\n \u003c\/tbody\u003e\n \u003c\/table\u003e\n \u003c\/div\u003e\n \u003cp class=\"hdiy-note\"\u003e* Lengths measured from under the head. Exact dimensions follow manufacturer standards. Choose your preferred diameter and length from the product options.\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003c!-- FAQ – fully expanded, no accordion --\u003e\n \u003cdiv class=\"hdiy-section\"\u003e\n \u003ch2 class=\"hdiy-heading\"\u003e❓ Frequently Asked Questions – Black Self‑Drilling Screws\u003c\/h2\u003e\n\n \u003cdiv class=\"hdiy-faq-item\"\u003e\n \u003ch3 class=\"hdiy-faq-question\"\u003e🔸 Do I really not need a pilot hole?\u003c\/h3\u003e\n \u003cp class=\"hdiy-faq-answer\"\u003eThat’s correct. The drill‑shaped tip will penetrate thin sheet metal (up to about 1.5 mm) and wood composites without pre‑drilling. For thicker or harder materials, you may still use a small pilot hole to reduce drive torque, but in most common applications these screws are true one‑step fasteners.\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-faq-item\"\u003e\n \u003ch3 class=\"hdiy-faq-question\"\u003e🔸 Will these screws rust? Is 410 stainless as good as 304?\u003c\/h3\u003e\n \u003cp class=\"hdiy-faq-answer\"\u003e410 stainless steel is magnetic and harder than 304, offering better wear resistance and strength. It provides good resistance to atmospheric corrosion and is suitable for indoor and mild outdoor use. For constant exposure to saltwater or heavy chemicals, 304 or 316 would be preferable, but for metal roofing, HVAC, and general construction, 410 holds up very well.\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-faq-item\"\u003e\n \u003ch3 class=\"hdiy-faq-question\"\u003e🔸 What kind of Phillips bit should I use?\u003c\/h3\u003e\n \u003cp class=\"hdiy-faq-answer\"\u003eM4.2 screws typically require a #2 Phillips bit, while M4.8 screws may use a #2 or #3 Phillips bit depending on the exact recess. A bit in good condition will minimize cam‑out and extend the life of the screw head.\u003c\/p\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-faq-item\"\u003e\n \u003ch3 class=\"hdiy-faq-question\"\u003e🔸 Can I use these for wood‑to‑metal connections?\u003c\/h3\u003e\n \u003cp class=\"hdiy-faq-answer\"\u003eAbsolutely. The self‑drilling tip will go through the metal layer and bite into the wood substrate beneath. They are commonly used for attaching metal roofing to wood purlins, metal brackets to timber studs, and many other mixed‑material assemblies.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n\u003c\/div\u003e\n\n\u003c!-- Styles – .hdiy- prefix prevents theme conflicts --\u003e\n\u003cstyle\u003e\n .hdiy-product-detail, .hdiy-product-detail * {\n box-sizing: border-box;\n margin: 0;\n padding: 0;\n }\n .hdiy-product-detail {\n width: 100%;\n max-width: 100%;\n color: #1a1a1a;\n line-height: 1.5;\n word-wrap: break-word;\n overflow-wrap: break-word;\n background: #fff;\n padding: 0 0 20px 0;\n }\n .hdiy-section {\n margin-bottom: 28px;\n }\n .hdiy-heading {\n font-size: 1.35em;\n font-weight: 600;\n line-height: 1.3;\n margin-bottom: 14px;\n color: #222;\n border-bottom: 2px solid #e0e0e0;\n padding-bottom: 8px;\n }\n .hdiy-text {\n font-size: 0.95em;\n margin-bottom: 12px;\n color: #333;\n }\n .hdiy-feature-list {\n list-style: none;\n padding-left: 0;\n margin: 0;\n }\n .hdiy-feature-list li {\n position: relative;\n padding-left: 24px;\n margin-bottom: 10px;\n font-size: 0.95em;\n color: #2d2d2d;\n }\n .hdiy-feature-list li::before {\n content: \"▪\";\n position: absolute;\n left: 0;\n color: #b8860b;\n font-weight: bold;\n }\n .hdiy-table-wrapper {\n width: 100%;\n overflow-x: auto;\n -webkit-overflow-scrolling: touch;\n margin-bottom: 6px;\n border: 1px solid #ddd;\n border-radius: 4px;\n }\n .hdiy-table {\n width: 100%;\n border-collapse: collapse;\n min-width: 500px;\n font-size: 0.9em;\n background: #fff;\n }\n .hdiy-table th,\n .hdiy-table td {\n border: 1px solid #ddd;\n padding: 10px 8px;\n text-align: left;\n vertical-align: top;\n }\n .hdiy-table thead th {\n background-color: #f5f5f5;\n font-weight: 600;\n color: #222;\n }\n .hdiy-table tbody tr:nth-child(even) {\n background-color: #fafafa;\n }\n .hdiy-note {\n font-size: 0.85em;\n color: #666;\n margin-top: 6px;\n }\n .hdiy-faq-item {\n margin-bottom: 22px;\n }\n .hdiy-faq-question {\n font-size: 1.0em;\n font-weight: 600;\n margin-bottom: 6px;\n color: #1a1a1a;\n }\n .hdiy-faq-answer {\n font-size: 0.9em;\n color: #444;\n margin-left: 0;\n padding-left: 12px;\n border-left: 3px solid #ccc;\n }\n @media screen and (max-width: 600px) {\n .hdiy-heading {\n font-size: 1.2em;\n }\n .hdiy-table th,\n .hdiy-table td {\n padding: 8px 6px;\n font-size: 0.82em;\n }\n .hdiy-feature-list li {\n font-size: 0.9em;\n }\n .hdiy-faq-question {\n font-size: 0.95em;\n }\n .hdiy-faq-answer {\n font-size: 0.85em;\n }\n }\n\u003c\/style\u003e","brand":"HomeDIYer","offers":[{"title":"M4.2 x 13mm \/ 50 \/ Black 410 Stainless Steel","offer_id":52248088019218,"sku":"GYWHLJMWJDP3033x1","price":6.2,"currency_code":"USD","in_stock":true},{"title":"M4.2 x 16mm \/ 50 \/ Black 410 Stainless Steel","offer_id":52248088051986,"sku":"GYWHLJMWJDP3034x1","price":6.51,"currency_code":"USD","in_stock":true},{"title":"M4.2 x 19mm \/ 50 \/ Black 410 Stainless Steel","offer_id":52248088084754,"sku":"GYWHLJMWJDP3035x1","price":8.39,"currency_code":"USD","in_stock":true},{"title":"M4.2 x 32mm \/ 50 \/ Black 410 Stainless Steel","offer_id":52248088117522,"sku":"GYWHLJMWJDP3036x1","price":8.85,"currency_code":"USD","in_stock":true},{"title":"M4.2 x 38mm \/ 50 \/ Black 410 Stainless Steel","offer_id":52248088150290,"sku":"GYWHLJMWJDP3037x1","price":9.33,"currency_code":"USD","in_stock":true},{"title":"M4.2 x 45mm \/ 50 \/ Black 410 Stainless Steel","offer_id":52248088183058,"sku":"GYWHLJMWJDP3038x1","price":10.27,"currency_code":"USD","in_stock":true},{"title":"M4.2 x 50mm \/ 50 \/ Black 410 Stainless Steel","offer_id":52248088215826,"sku":"GYWHLJMWJDP3039x1","price":12.77,"currency_code":"USD","in_stock":true},{"title":"M4.8 x 13mm \/ 50 \/ Black 410 Stainless Steel","offer_id":52248088248594,"sku":"GYWHLJMWJDP3040x1","price":7.14,"currency_code":"USD","in_stock":true},{"title":"M4.8 x 16mm \/ 50 \/ Black 410 Stainless Steel","offer_id":52248088281362,"sku":"GYWHLJMWJDP3041x1","price":6.61,"currency_code":"USD","in_stock":true},{"title":"M4.8 x 19mm \/ 50 \/ Black 410 Stainless Steel","offer_id":52248088314130,"sku":"GYWHLJMWJDP3042x1","price":6.92,"currency_code":"USD","in_stock":true},{"title":"M4.8 x 25mm \/ 50 \/ Black 410 Stainless Steel","offer_id":52248088346898,"sku":"GYWHLJMWJDP3043x1","price":7.38,"currency_code":"USD","in_stock":true},{"title":"M4.8 x 32mm \/ 50 \/ Black 410 Stainless Steel","offer_id":52248088379666,"sku":"GYWHLJMWJDP3044x1","price":9.48,"currency_code":"USD","in_stock":true},{"title":"M4.8 x 38mm \/ 20 \/ Black 410 Stainless Steel","offer_id":52248088412434,"sku":"GYWHLJMWJDP3045x1","price":5.05,"currency_code":"USD","in_stock":true},{"title":"M4.8 x 50mm \/ 20 \/ Black 410 Stainless Steel","offer_id":52248088445202,"sku":"GYWHLJMWJDP3046x1","price":6.2,"currency_code":"USD","in_stock":true},{"title":"M4.8 x 63mm \/ 20 \/ Black 410 Stainless Steel","offer_id":52248088477970,"sku":"GYWHLJMWJDP3047x1","price":7.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of20_f265a533-214f-4070-858a-b3b3ced8277a.jpg?v=1778209607"},{"product_id":"self-drilling-wafer-head-screws-m4-2-m4-8","title":"M4.2 M4.8 Self Drilling Wafer Head Screws – Steel \u0026 Stainless for Sheet Metal","description":"\u003cdiv class=\"hdiy-product-detail\"\u003e\n\u003c!-- Product Overview --\u003e\n\u003cdiv class=\"hdiy-section\"\u003e\n\u003ch2 class=\"hdiy-heading\"\u003e🔩 Self‑Drilling Wafer Head Screws – Steel \u0026amp; Stainless for Sheet Metal\u003c\/h2\u003e\n\u003cp class=\"hdiy-text\"\u003eSkip the pilot hole and get a tighter, cleaner finish — these self‑drilling wafer head screws eliminate pre‑drilling so you can fasten metal to metal or metal to wood in one step. The wide, low‑profile wafer head spreads clamp force to prevent pull‑through in thin sheet metal, plastic panels, and wood, while the hardened drill tip bores through steel studs, roofing, and ductwork fast. Choose from three material grades to match your environment: A2 \/ 304 stainless for rust‑free outdoor and marine use, 410 stainless for higher hardness at a lower cost, or zinc‑plated carbon steel for dependable indoor performance. Available in M4.2 and M4.8 diameters with lengths from 13 mm to 50 mm, this range covers everything from HVAC ducting and metal roofing to automotive bodywork and general‑shop repairs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Key Features – vertical list for SEO --\u003e\n\u003cdiv class=\"hdiy-section\"\u003e\n\u003ch2 class=\"hdiy-heading\"\u003e⚙️ Key Features – Self‑Drilling Wafer Head Sheet Metal Screws\u003c\/h2\u003e\n\u003cul class=\"hdiy-feature-list\"\u003e\n\u003cli\u003eSelf‑drilling tip acts like a built‑in drill bit – no pilot hole needed in most thin‑gauge steel, plastic, and wood\u003c\/li\u003e\n\u003cli\u003eWide wafer head distributes clamping load and stops the screw from pulling through thin or soft materials\u003c\/li\u003e\n\u003cli\u003eMaterial options: A2 \/ 304 stainless (marine grade), 410 stainless (high strength), or zinc‑plated carbon steel (economical indoor protection)\u003c\/li\u003e\n\u003cli\u003ePhillips recess provides a secure, cam‑out‑resistant drive – easy to start even in tight spots\u003c\/li\u003e\n\u003cli\u003eAvailable in M4.2 and M4.8 metric diameters with multiple lengths to suit your exact material stack‑up\u003c\/li\u003e\n\u003cli\u003eDeep, clean threads ensure a strong, vibration‑resistant hold in metal, wood, and plastic assemblies\u003c\/li\u003e\n\u003cli\u003eIdeal for metal roofing, HVAC ductwork, steel framing, auto body panels, and general construction\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Specifications Table --\u003e\n\u003cdiv class=\"hdiy-section\"\u003e\n\u003ch2 class=\"hdiy-heading\"\u003e📋 Technical Specifications – Self‑Drilling Wafer Head Screws\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-table-wrapper\"\u003e\n\u003ctable class=\"hdiy-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eThread Diameter\u003c\/th\u003e\n\u003cth\u003eTypical Lengths (mm)*\u003c\/th\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003cth\u003eDrive\u003c\/th\u003e\n\u003cth\u003eMaterial \u0026amp; Finish Options\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eM4.2\u003c\/td\u003e\n\u003ctd\u003e4.2 mm\u003c\/td\u003e\n\u003ctd\u003e13, 16, 19, 25, 32, 38, 50\u003c\/td\u003e\n\u003ctd\u003eWafer (Flat) Head\u003c\/td\u003e\n\u003ctd\u003ePhillips\u003c\/td\u003e\n\u003ctd\u003eA2 304 Stainless \/ 410 Stainless \/ Carbon Steel, Zinc Plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM4.8\u003c\/td\u003e\n\u003ctd\u003e4.8 mm\u003c\/td\u003e\n\u003ctd\u003e13, 16, 19, 25, 32, 38, 50\u003c\/td\u003e\n\u003ctd\u003eWafer (Flat) Head\u003c\/td\u003e\n\u003ctd\u003ePhillips\u003c\/td\u003e\n\u003ctd\u003eA2 304 Stainless \/ 410 Stainless \/ Carbon Steel, Zinc Plated\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"hdiy-note\"\u003e* Lengths depend on the selected pack. Choose your preferred material and size from the listing variations. All screws are manufactured to metric standards.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ – fully expanded, no accordion --\u003e\n\u003cdiv class=\"hdiy-section\"\u003e\n\u003ch2 class=\"hdiy-heading\"\u003e❓ Frequently Asked Questions – Self‑Drilling Wafer Head Screws\u003c\/h2\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003ch3 class=\"hdiy-faq-question\"\u003e🔸 Do I really need to skip the pilot hole?\u003c\/h3\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eYes — the drill‑point tip is designed to penetrate sheet metal up to about 2 mm thick and wood without pre‑drilling. For thicker or harder materials, a small pilot hole can make driving easier, but in most common applications, they are true one‑step fasteners.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003ch3 class=\"hdiy-faq-question\"\u003e🔸 Which material should I choose for outdoor work?\u003c\/h3\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eFor outdoor, marine, or coastal environments, A2 \/ 304 stainless is the best choice — it won’t rust. 410 stainless is harder and offers good atmospheric corrosion resistance for mild outdoor use. Zinc‑plated carbon steel is the most economical and works well indoors or under cover.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003ch3 class=\"hdiy-faq-question\"\u003e🔸 Can these be used to fasten metal to wood?\u003c\/h3\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eAbsolutely. The drill tip goes through the metal layer and bites into the wood substrate beneath. They’re commonly used for metal roofing to wood purlins, metal brackets to studs, and similar mixed‑material connections.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"hdiy-faq-item\"\u003e\n\u003ch3 class=\"hdiy-faq-question\"\u003e🔸 What Phillips bit do I need for M4.2 and M4.8 screws?\u003c\/h3\u003e\n\u003cp class=\"hdiy-faq-answer\"\u003eBoth sizes generally use a #2 Phillips bit. A fresh, correctly‑fitting bit will reduce cam‑out and protect the head recess throughout the job.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Styles – .hdiy- prevents theme conflicts --\u003e\n\u003cstyle\u003e\n .hdiy-product-detail, .hdiy-product-detail * {\n box-sizing: border-box;\n margin: 0;\n padding: 0;\n }\n .hdiy-product-detail {\n width: 100%;\n max-width: 100%;\n color: #1a1a1a;\n line-height: 1.5;\n word-wrap: break-word;\n overflow-wrap: break-word;\n background: #fff;\n padding: 0 0 20px 0;\n }\n .hdiy-section {\n margin-bottom: 28px;\n }\n .hdiy-heading {\n font-size: 1.35em;\n font-weight: 600;\n line-height: 1.3;\n margin-bottom: 14px;\n color: #222;\n border-bottom: 2px solid #e0e0e0;\n padding-bottom: 8px;\n }\n .hdiy-text {\n font-size: 0.95em;\n margin-bottom: 12px;\n color: #333;\n }\n .hdiy-feature-list {\n list-style: none;\n padding-left: 0;\n margin: 0;\n }\n .hdiy-feature-list li {\n position: relative;\n padding-left: 24px;\n margin-bottom: 10px;\n font-size: 0.95em;\n color: #2d2d2d;\n }\n .hdiy-feature-list li::before {\n content: \"▪\";\n position: absolute;\n left: 0;\n color: #b8860b;\n font-weight: bold;\n }\n .hdiy-table-wrapper {\n width: 100%;\n overflow-x: auto;\n -webkit-overflow-scrolling: touch;\n margin-bottom: 6px;\n border: 1px solid #ddd;\n border-radius: 4px;\n }\n .hdiy-table {\n width: 100%;\n border-collapse: collapse;\n min-width: 550px;\n font-size: 0.9em;\n background: #fff;\n }\n .hdiy-table th,\n .hdiy-table td {\n border: 1px solid #ddd;\n padding: 10px 8px;\n text-align: left;\n vertical-align: top;\n }\n .hdiy-table thead th {\n background-color: #f5f5f5;\n font-weight: 600;\n color: #222;\n }\n .hdiy-table tbody tr:nth-child(even) {\n background-color: #fafafa;\n }\n .hdiy-note {\n font-size: 0.85em;\n color: #666;\n margin-top: 6px;\n }\n .hdiy-faq-item {\n margin-bottom: 22px;\n }\n .hdiy-faq-question {\n font-size: 1.0em;\n font-weight: 600;\n margin-bottom: 6px;\n color: #1a1a1a;\n }\n .hdiy-faq-answer {\n font-size: 0.9em;\n color: #444;\n margin-left: 0;\n padding-left: 12px;\n border-left: 3px solid #ccc;\n }\n @media screen and (max-width: 600px) {\n .hdiy-heading {\n font-size: 1.2em;\n }\n .hdiy-table th,\n .hdiy-table td {\n padding: 8px 6px;\n font-size: 0.82em;\n }\n .hdiy-feature-list li {\n font-size: 0.9em;\n }\n .hdiy-faq-question {\n font-size: 0.95em;\n }\n .hdiy-faq-answer {\n font-size: 0.85em;\n }\n }\n\u003c\/style\u003e","brand":"HomeDIYer","offers":[{"title":"M4.2 x 13mm - 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A2 Stainless Steel \/ 10","offer_id":52248185569554,"sku":"GYWHLJMWJDP3061x1","price":8.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of67.jpg?v=1778226247"},{"product_id":"self-drilling-wafer-head-screws-stainless-galvanized","title":"Self Drilling Wafer Head Screws – 304\/410 Stainless \u0026 Galvanized Steel, M4.2 M4.8","description":"\u003c!--\n Self Drilling Wafer Head Screws – 304 \/ 410 Stainless \u0026 Carbon Steel Galvanized\n All styles prefixed with .gbs- to avoid theme conflicts\n Ready for Shopify product description (copy-paste)\n--\u003e\n\u003cdiv class=\"gbs-product-detail\"\u003e\n\u003c!-- Product Overview --\u003e\n\u003cdiv class=\"gbs-section\"\u003e\n\u003ch2 class=\"gbs-heading\"\u003e🔩 Self-Drillingg Wafer Head Screws – Stainless \u0026amp; Galvanized Steel for Metal Sheets\u003c\/h2\u003e\n\u003cp class=\"gbs-text\"\u003eWhen you’re fastening metal to metal or metal to wood, every extra step costs time. These self-drilling wafer head screws eliminate the need for a separate drill bit — the sharp, hardened point bores its own pilot hole while the thread taps tightly into sheet steel, aluminum, and composite panels. A low‑profile wafer head lays flat against the surface, spreading clamp load to prevent pull‑through in thin materials. Choose 304 stainless steel (A2) for superior rust resistance in outdoor, marine, and coastal applications. Opt for 410 stainless when higher hardness and wear resistance matter more. Or select galvanized carbon steel for a strong, economical option with solid zinc‑layer corrosion protection. With M4.2 and M4.8 diameters and lengths from 13 mm up to 50 mm, this range covers HVAC ductwork, metal roofing, trailer siding, auto body repair, and general steel framing — all with one drive and done.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- Key Features – no emoji on list items --\u003e\n\u003cdiv class=\"gbs-section\"\u003e\n\u003ch2 class=\"gbs-heading\"\u003e⚙️ Key Features – Self-Drilling Wafer Head Screws for Metal\u003c\/h2\u003e\n\u003cul class=\"gbs-feature-list\"\u003e\n\u003cli\u003eSelf-drilling tip punctures sheet metal instantly — no pilot hole required, saving time and drill bits\u003c\/li\u003e\n\u003cli\u003eWafer head design provides a wide, flat bearing surface that resists pull‑through and sits flush to the workpiece\u003c\/li\u003e\n\u003cli\u003eAvailable in three material grades: 304 stainless (marine‑grade corrosion resistance), 410 stainless (extra hardness), and galvanized carbon steel (reliable rust protection on a budget)\u003c\/li\u003e\n\u003cli\u003eM4.2 and M4.8 thread diameters handle the majority of light‑ to medium‑duty metal fastening jobs\u003c\/li\u003e\n\u003cli\u003eLengths from 13 mm to 50 mm accommodate thin sheet stack‑ups as well as thicker structural members\u003c\/li\u003e\n\u003cli\u003eHex head drive allows high torque with a standard socket or nut driver — minimal cam‑out or stripping\u003c\/li\u003e\n\u003cli\u003ePerfect for metal roofing, HVAC ducting, automotive panels, steel framing, and general sheet metal fabrication\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c!-- Specifications Table --\u003e\n\u003cdiv class=\"gbs-section\"\u003e\n\u003ch2 class=\"gbs-heading\"\u003e📋 Technical Specifications – Self-Drillingg Wafer Head Screws\u003c\/h2\u003e\n\u003cdiv class=\"gbs-table-wrapper\"\u003e\n\u003ctable class=\"gbs-table\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSize\u003c\/th\u003e\n\u003cth\u003eThread Diameter\u003c\/th\u003e\n\u003cth\u003eAvailable Lengths (mm)\u003c\/th\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003cth\u003eDrive\u003c\/th\u003e\n\u003cth\u003eMaterial Options\u003c\/th\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eM4.2\u003c\/td\u003e\n\u003ctd\u003e4.2 mm\u003c\/td\u003e\n\u003ctd\u003e13, 16, 19, 25, 32, 38, 50\u003c\/td\u003e\n\u003ctd\u003eWafer (Flat)\u003c\/td\u003e\n\u003ctd\u003eHex\u003c\/td\u003e\n\u003ctd\u003e304 Stainless \/ 410 Stainless \/ Carbon Steel Galvanized\u003c\/td\u003e\n\u003ctd\u003e304: Marine grade — excellent\u003cbr\u003e410: Limited — good for dry locations\u003cbr\u003eGalvanized: Moderate — suitable for outdoor covered use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eM4.8\u003c\/td\u003e\n\u003ctd\u003e4.8 mm\u003c\/td\u003e\n\u003ctd\u003e13, 16, 19, 25, 32, 38, 50\u003c\/td\u003e\n\u003ctd\u003eWafer (Flat)\u003c\/td\u003e\n\u003ctd\u003eHex\u003c\/td\u003e\n\u003ctd\u003e304 Stainless \/ 410 Stainless \/ Carbon Steel Galvanized\u003c\/td\u003e\n\u003ctd\u003e304: Marine grade — excellent\u003cbr\u003e410: Limited — good for dry locations\u003cbr\u003eGalvanized: Moderate — suitable for outdoor covered use\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp class=\"gbs-note\"\u003e* Lengths measured from under the head. Material grade is clearly marked on each pack. Refer to the size chart image in the listing for exact drill point dimensions.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c!-- FAQ – fully expanded, no accordion --\u003e\n\u003cdiv class=\"gbs-section\"\u003e\n\u003ch2 class=\"gbs-heading\"\u003e❓ Frequently Asked Questions – Self-Drilling Wafer Head Screws\u003c\/h2\u003e\n\u003cdiv class=\"gbs-faq-item\"\u003e\n\u003ch3 class=\"gbs-faq-question\"\u003e🔸 What material should I choose for outdoor projects?\u003c\/h3\u003e\n\u003cp class=\"gbs-faq-answer\"\u003e304 stainless steel is the best choice for outdoor, marine, and coastal environments — it won’t red‑rust and resists corrosion in rain, salt air, and humidity. Galvanized carbon steel works well for covered outdoor spaces (under eaves, inside unheated buildings). 410 stainless is a harder material but offers less corrosion protection, so it’s better suited for indoor or dry applications where hardness matters more than rust resistance.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gbs-faq-item\"\u003e\n\u003ch3 class=\"gbs-faq-question\"\u003e🔸 Do I need to pre‑drill before using self-drillingg screws?\u003c\/h3\u003e\n\u003cp class=\"gbs-faq-answer\"\u003eNo. That’s the advantage of self-drilling screws — the tip acts like a small drill bit and cuts its own hole as you drive. They’ll punch through sheet metal up to approximately 1.5 mm to 2.0 mm thick without any pilot hole. For thicker material, consult the size chart to confirm the drill point capacity.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gbs-faq-item\"\u003e\n\u003ch3 class=\"gbs-faq-question\"\u003e🔸 What hex driver size do I need?\u003c\/h3\u003e\n\u003cp class=\"gbs-faq-answer\"\u003eBoth M4.2 and M4.8 screws in this range use a standard 8 mm (or 5\/16‑inch) hex socket. A magnetic nut driver bit makes installation fast and keeps the screw from falling off the bit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gbs-faq-item\"\u003e\n\u003ch3 class=\"gbs-faq-question\"\u003e🔸 Can I use these in wood as well as metal?\u003c\/h3\u003e\n\u003cp class=\"gbs-faq-answer\"\u003eYes. The self-drilling point goes through sheet metal and then bites into wood or composite material behind it. They are commonly used for attaching metal roofing sheets to timber purlins or fastening metal brackets to wood studs.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"gbs-faq-item\"\u003e\n\u003ch3 class=\"gbs-faq-question\"\u003e🔸 Are the different material grades clearly labeled?\u003c\/h3\u003e\n\u003cp class=\"gbs-faq-answer\"\u003eYes. Each pack is labeled with the grade (e.g., 304, 410, or Galvanized Carbon Steel). The listing variation selector also allows you to pick the exact material and size combination, so you receive exactly what you order.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c!-- Styles – .gbs- prefix isolates from theme --\u003e\n\u003cstyle\u003e\n .gbs-product-detail, .gbs-product-detail * {\n box-sizing: border-box;\n margin: 0;\n padding: 0;\n }\n .gbs-product-detail {\n width: 100%;\n max-width: 100%;\n font-family: -apple-system, BlinkMacSystemFont, \"Segoe UI\", Roboto, Helvetica, Arial, sans-serif;\n color: #1a1a1a;\n line-height: 1.5;\n word-wrap: break-word;\n overflow-wrap: break-word;\n background: #fff;\n padding: 0 0 20px 0;\n }\n .gbs-section {\n margin-bottom: 28px;\n }\n .gbs-heading {\n font-size: 1.35em;\n font-weight: 600;\n line-height: 1.3;\n margin-bottom: 14px;\n color: #222;\n border-bottom: 2px solid #e0e0e0;\n padding-bottom: 8px;\n }\n .gbs-text {\n font-size: 0.95em;\n margin-bottom: 12px;\n color: #333;\n }\n 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500","offer_id":52248353112338,"sku":"WWLFVKA26487x500","price":64.94,"currency_code":"USD","in_stock":true},{"title":"304SS\/M4.2*25 \/ 500","offer_id":52248353145106,"sku":"WWLFVKA26488x500","price":73.43,"currency_code":"USD","in_stock":true},{"title":"304SS\/M4.2*32 \/ 500","offer_id":52248353177874,"sku":"WWLFVKA26489x500","price":82.81,"currency_code":"USD","in_stock":true},{"title":"304SS\/M4.2*38 \/ 500","offer_id":52248353210642,"sku":"WWLFVKA26490x500","price":90.78,"currency_code":"USD","in_stock":true},{"title":"304SS\/M4.2*50 \/ 500","offer_id":52248353243410,"sku":"WWLFVKA26491x500","price":107.97,"currency_code":"USD","in_stock":true},{"title":"304SS\/M4.8*13 \/ 500","offer_id":52248353276178,"sku":"WWLFVKA26492x500","price":83.3,"currency_code":"USD","in_stock":true},{"title":"304SS\/M4.8*16 \/ 500","offer_id":52248353308946,"sku":"WWLFVKA26493x500","price":89.88,"currency_code":"USD","in_stock":true},{"title":"304SS\/M4.8*19 \/ 500","offer_id":52248353341714,"sku":"WWLFVKA26494x500","price":102.48,"currency_code":"USD","in_stock":true},{"title":"304SS\/M4.8*25 \/ 500","offer_id":52248353374482,"sku":"WWLFVKA26495x500","price":114.04,"currency_code":"USD","in_stock":true},{"title":"304SS\/M4.8*32 \/ 500","offer_id":52248353407250,"sku":"WWLFVKA26496x500","price":125.11,"currency_code":"USD","in_stock":true},{"title":"304SS\/M4.8*38 \/ 500","offer_id":52248353440018,"sku":"WWLFVKA26497x500","price":139.47,"currency_code":"USD","in_stock":true},{"title":"304SS\/M4.8*50 \/ 500","offer_id":52248353472786,"sku":"WWLFVKA26498x500","price":156.47,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of63.jpg?v=1778145974"},{"product_id":"hex-washer-self-drilling-tek-screws-400-pack-410-stainless-8-10-12","title":"Hex Washer Self-Drilling Tek Screws, 400-Pack, 410 Stainless Steel, #8 #10 #12, 1\/2\"–2\"","description":"\u003cdiv class=\"hdiy-desc\"\u003e\n\n \u003cdiv class=\"hdiy-overview\"\u003e\n \u003ch2\u003eHex Washer Self-Drilling Tek Screws — 400-Piece Kit, Three Sizes, One-Step Fastening\u003c\/h2\u003e\n \u003cp\u003eStopping to pre-drill pilot holes on a metal roofing or framing job costs time and money. This 400-piece hex washer head self-drilling screw kit eliminates that step entirely — the hardened drill-point tip bores through sheet metal and taps its own threads in a single pass, letting contractors and serious DIYers drive faster without sacrificing holding strength.\u003c\/p\u003e\n \u003cp\u003eAll screws are manufactured from 410 stainless steel (natural finish, no plating to wear off), covering three Imperial diameters — #8 (~4.2 mm), #10 (~4.8 mm), and #12 (~5.5 mm) — across lengths from 1\/2″ to 2″. The hex washer head acts as an integrated load-spreading flange, driven with a standard 5\/16″ or 3\/8″ hex socket for high-torque, cam-out-free installation. Kit contents: #8×1-1\/2″ (80), #8×3\/4″ (80), #8×1″ (60), #10×1\/2″ (60), #10×3\/4″ (40), #10×1″ (30), #12×3\/4″ (25), #12×1-1\/2″ (15), #12×2″ (10), supplied in a compartmented storage box.\u003c\/p\u003e\n \u003cp\u003eIdeal for metal roofing panels fastened to timber purlins, HVAC ductwork and steel-stud framing, auto body and panel work, wood-to-metal structural connections, and general construction and maintenance tasks where a reliable, high-strength self-drilling 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 sheet metal up to ~2 mm, thin-gauge steel studs, wood substrates, and select plastics — suitable for roofing, HVAC, framing, automotive, and general construction\n \u003c\/div\u003e\n\n \u003cdiv\u003e\n \u003ch2\u003e✅ Key Features of These Hex Washer Self-Drilling Tek 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\u003eSelf-Drilling Tip — No Pilot Hole Required:\u003c\/strong\u003e The hardened drill-point bores through sheet metal up to ~2 mm and taps its own mating threads in one step, eliminating a separate drilling operation on most substrates.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🔩\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e410 Stainless Steel, Natural Finish:\u003c\/strong\u003e Higher strength and hardness than 304 SS, with solid atmospheric corrosion resistance indoors and outdoors. No plating to chip or wear off — corrosion protection is built into the alloy.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eHex Washer Head — Integrated Load Spreader:\u003c\/strong\u003e The wide washer flange distributes clamping force to prevent pull-through in thin metal, while the external hex drive accepts a standard socket or nut driver for high-torque, cam-out-free installation.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003e400-Piece, 3-Diameter Kit (#8, #10, #12):\u003c\/strong\u003e Nine size combinations covering 1\/2″ to 2″ lengths — the most commonly specified Tek screw range for roofing, framing, and HVAC work — all in one organized storage box.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🧲\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eCompartmented Storage Box Included:\u003c\/strong\u003e Each size is separated into its own compartment so you can grab the right screw instantly without sorting through loose hardware on the job site.\u003c\/span\u003e\n \u003c\/li\u003e\n \u003cli\u003e\n \u003cspan class=\"hdiy-icon\"\u003e🏗️\u003c\/span\u003e\n \u003cspan\u003e\u003cstrong\u003eBroad Application Range:\u003c\/strong\u003e Metal roofing, HVAC ductwork, steel-stud framing, auto body panels, wood-to-metal connections, shed construction, and general maintenance — one kit covers the majority of self-drilling fastener needs.\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\u003e#8 × 1-1\/2″ Hex Washer Self-Drilling Screws × 80\u003c\/li\u003e\n \u003cli\u003e#8 × 3\/4″ Hex Washer Self-Drilling Screws × 80\u003c\/li\u003e\n \u003cli\u003e#8 × 1″ Hex Washer Self-Drilling Screws × 60\u003c\/li\u003e\n \u003cli\u003e#10 × 1\/2″ Hex Washer Self-Drilling Screws × 60\u003c\/li\u003e\n \u003cli\u003e#10 × 3\/4″ Hex Washer Self-Drilling Screws × 40\u003c\/li\u003e\n \u003cli\u003e#10 × 1″ Hex Washer Self-Drilling Screws × 30\u003c\/li\u003e\n \u003cli\u003e#12 × 3\/4″ Hex Washer Self-Drilling Screws × 25\u003c\/li\u003e\n \u003cli\u003e#12 × 1-1\/2″ Hex Washer Self-Drilling Screws × 15\u003c\/li\u003e\n \u003cli\u003e#12 × 2″ Hex Washer Self-Drilling Screws × 10\u003c\/li\u003e\n \u003cli\u003eCompartmented Storage Box × 1\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\u003eRoofing Contractors \u0026amp; Installers\u003c\/strong\u003e\n \u003cp\u003eDrive through corrugated steel panels and metal roofing into timber purlins in one step — no pre-drilling, faster installation, cleaner penetrations.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🌬️\u003c\/span\u003e\n \u003cstrong\u003eHVAC \u0026amp; Sheet Metal Technicians\u003c\/strong\u003e\n \u003cp\u003eSecure ductwork, brackets, and steel-stud framing quickly with hex washer screws that grip thin-gauge metal without cam-out or stripping.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🚗\u003c\/span\u003e\n \u003cstrong\u003eAuto Body \u0026amp; Panel Fabricators\u003c\/strong\u003e\n \u003cp\u003eFasten auto body panels and enclosures to steel frames with a screw that self-drills cleanly and holds under vibration.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003cdiv class=\"hdiy-usecase-item\"\u003e\n \u003cspan\u003e🔨\u003c\/span\u003e\n \u003cstrong\u003eDIY Builders \u0026amp; Maintenance Professionals\u003c\/strong\u003e\n \u003cp\u003eKeep a full-range kit on hand for shed construction, equipment enclosures, wood-to-metal framing, and general repairs without multiple hardware store trips.\u003c\/p\u003e\n \u003c\/div\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-table-wrap\"\u003e\n \u003ch2\u003e📐 Technical Specifications\u003c\/h2\u003e\n \u003ctable\u003e\n \u003ctbody\u003e\n \u003ctr\u003e\n\u003cth\u003eSizes Included\u003c\/th\u003e\n\u003ctd\u003e#8 (~4.2 mm) · #10 (~4.8 mm) · #12 (~5.5 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eLength Range\u003c\/th\u003e\n\u003ctd\u003e1\/2″ – 2″ (varies by diameter)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eHex Washer Head\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003eExternal Hex Socket (5\/16″ or 3\/8″)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003ePoint Type\u003c\/th\u003e\n\u003ctd\u003eSelf-Drilling (Tek \/ Drill Point)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMaterial\u003c\/th\u003e\n\u003ctd\u003e410 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eFinish\u003c\/th\u003e\n\u003ctd\u003eNatural (no plating)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eMax Sheet Metal Thickness\u003c\/th\u003e\n\u003ctd\u003eTypically up to ~2 mm without pilot hole\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eTotal Quantity\u003c\/th\u003e\n\u003ctd\u003e400 pieces (9 size combinations)\u003c\/td\u003e\n\u003c\/tr\u003e\n \u003ctr\u003e\n\u003cth\u003eStorage\u003c\/th\u003e\n\u003ctd\u003eCompartmented plastic storage box\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\u003eDo these screws require a pilot hole?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eNo. The self-drilling tip bores through sheet metal up to approximately 2 mm thick and into wood without pre-drilling. For thicker or harder steel, a small pilot hole can reduce drive torque, but in most roofing, framing, and HVAC applications these are true one-step fasteners.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow does 410 stainless compare to 304 or zinc-plated steel?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003e410 stainless is harder and stronger than 304, offering good atmospheric corrosion resistance for indoor and mild outdoor use. It is also magnetic. For constant saltwater or harsh chemical exposure, 316 would be preferable, but for roofing, HVAC, and general construction, 410 performs very well at a lower cost than 316.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhat socket size do I need to drive these screws?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eMost #8 and #10 Tek screws use a 5\/16″ (8 mm) hex socket. #12 screws may use 5\/16″ or 3\/8″ depending on the exact head size. A magnetic nut driver bit in both sizes will cover the entire kit.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eCan these be used for wood-to-metal connections?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. The self-drilling tip penetrates the metal layer and the thread bites firmly into the wood substrate beneath. They are widely used for fastening metal roofing to timber purlins and for mixed-material structural connections.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eAre these screws magnetic?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eYes. 410 stainless steel is a martensitic grade and is magnetic, unlike austenitic grades such as 304 or 316. This is useful for retrieving dropped screws with a magnet on the job site.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eWhy does the hex washer head outperform a standard pan or flat head on thin metal?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe integrated washer flange distributes the clamping load over a larger bearing area, significantly reducing the risk of pull-through in thin-gauge sheet metal. The external hex drive also allows much higher torque than a Phillips or Torx recess without cam-out.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003cdetails\u003e\n \u003csummary\u003eHow are the 400 screws distributed across sizes?\u003c\/summary\u003e\n \u003cdiv class=\"hdiy-faq-body\"\u003e\u003cp\u003eThe kit contains: #8×1-1\/2″ (80), #8×3\/4″ (80), #8×1″ (60), #10×1\/2″ (60), #10×3\/4″ (40), #10×1″ (30), #12×3\/4″ (25), #12×1-1\/2″ (15), #12×2″ (10). Total: 400 pieces.\u003c\/p\u003e\u003c\/div\u003e\n \u003c\/details\u003e\n \u003c\/div\u003e\n\n \u003cdiv class=\"hdiy-cta\"\u003e🛒 Select your quantity above, then add to cart.\u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"Default Title","offer_id":52248354029842,"sku":"GBTST0008","price":20.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Main-07_bf30b9ce-0dd4-4e50-9480-ab33b2512a6a.jpg?v=1778219169"}],"url":"https:\/\/homediyer.com\/collections\/wafer-head-screws.oembed","provider":"HomeDIYer","version":"1.0","type":"link"}