{"product_id":"m2-m4-flanged-button-head-phillips-machine-screws-black-zinc-100-pack","title":"M2 M2.5 M3 M4 Flanged Button Head Phillips Machine Screws – Black Zinc, 100-Pack","description":"\u003cscript type=\"application\/ld+json\"\u003e\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@type\": \"FAQPage\",\n  \"mainEntity\": [\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What is a flanged button head screw and how does it differ from a standard button head?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"A flanged button head screw has a low-profile domed head with an integrated flange (a wide, flat rim) around the base of the head. The flange acts like a built-in washer, distributing the clamping load over a larger surface area. This eliminates the need for a separate washer in most applications, reduces the risk of the head pulling through softer materials, and provides a cleaner finished appearance compared to using a separate washer.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What does Black Zinc coating mean and what protection does it offer?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"Black zinc (also called black zinc plating or black electro-zinc) is a zinc electroplating process followed by a black chromate conversion coating. It provides moderate corrosion resistance, similar to standard zinc plating, while giving the fastener a matte black appearance. It is suitable for indoor applications and light outdoor use where aesthetics and basic corrosion protection are both required. For harsh outdoor or marine environments, stainless steel or hot-dip galvanized fasteners are more appropriate.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What screwdriver do I need for Phillips head screws?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"The correct Phillips driver size depends on the screw diameter: M2\\u2013M2.5 typically use a PH0 driver, M3 typically uses a PH1 driver, and M4 typically uses a PH1 or PH2 driver. Using the correct size driver is important to avoid cam-out and head damage.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"Do flanged button head screws require a washer?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"In most applications, no. The integrated flange distributes the clamping load over a larger area, performing the same function as a flat washer. This simplifies assembly, reduces part count, and provides a cleaner finished appearance. However, in applications requiring specific load distribution or sealing, a separate washer may still be used.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"What thread standard do these screws follow?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"These screws follow the ISO metric thread standard, compatible with standard metric nuts, threaded inserts, and tapped holes in M2, M2.5, M3, and M4.\"\n      }\n    },\n    {\n      \"@type\": \"Question\",\n      \"name\": \"How do I choose the right screw length?\",\n      \"acceptedAnswer\": {\n        \"@type\": \"Answer\",\n        \"text\": \"For machine screws used with a nut, the screw should extend at least 1\\u20132 thread pitches beyond the nut when fully tightened. For screws threading into a tapped hole, aim for at least 1.5\\u00d7 the thread diameter of engagement. Note that for button head screws, the length is measured from the underside of the head (not the flange) to the tip of the screw.\"\n      }\n    }\n  ]\n}\n\u003c\/script\u003e\n\n\u003cdiv class=\"hdiy-desc\"\u003e\n\n  \u003cdiv class=\"hdiy-overview\"\u003e\n    \u003ch2\u003eM2–M4 Black Zinc Flanged Button Head Phillips Machine Screws — 100-Pack\u003c\/h2\u003e\n    \u003cp\u003eWhen you need a low-profile head, a built-in load-spreading flange, and a clean matte black finish — all in one fastener — these flanged button head Phillips machine screws deliver exactly that. The integrated flange around the base of the head acts as a built-in washer, distributing clamping load over a larger surface area and eliminating the need for a separate washer in most applications. The result is faster assembly, fewer parts, and a cleaner finished look.\u003c\/p\u003e\n    \u003cp\u003eThe black zinc coating provides moderate corrosion resistance with a matte black aesthetic that suits electronics enclosures, automotive interiors, equipment panels, and anywhere a standard silver fastener would stand out. The low-profile domed button head keeps a minimal footprint while the Phillips drive is compatible with standard PH0, PH1, and PH2 screwdrivers depending on size.\u003c\/p\u003e\n    \u003cp\u003eAvailable in M2, M2.5, M3, and M4 thread diameters with lengths from 3mm to 16mm, sold in convenient 100-piece packs.\u003c\/p\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-compat\"\u003e\n    \u003cspan class=\"hdiy-compat-icon\"\u003e🔩\u003c\/span\u003e\n    \u003cstrong\u003eCompatibility:\u003c\/strong\u003e ISO metric thread standard — compatible with standard metric nuts, threaded inserts, and tapped holes in M2, M2.5, M3, and M4. Always verify thread pitch and hole diameter before ordering.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e✅ Key Features of These Black Zinc Flanged Button Head Phillips Machine Screws\u003c\/h2\u003e\n  \u003cul class=\"hdiy-features\"\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eIntegrated Flange — No Washer Needed\u003c\/strong\u003e — The wide flange around the base of the head distributes clamping load over a larger surface area, acting as a built-in washer. Simplifies assembly and reduces part count.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⬛\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eBlack Zinc Finish\u003c\/strong\u003e — Matte black electro-zinc coating with black chromate conversion provides moderate corrosion resistance and a clean, professional black appearance. Ideal for electronics, panels, and equipment where aesthetics matter.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📐\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eLow-Profile Button Head\u003c\/strong\u003e — Domed head profile keeps a minimal footprint above the surface, suitable for applications where clearance is limited or a flush appearance is preferred.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e🔧\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003ePhillips Drive\u003c\/strong\u003e — Standard cross-head drive compatible with PH0 (M2–M2.5), PH1 (M3), and PH1\/PH2 (M4) screwdrivers. Widely available tooling for fast installation.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📏\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e4 Thread Sizes, 8 Lengths\u003c\/strong\u003e — M2, M2.5, M3, M4 in lengths from 3mm to 16mm to cover a broad range of metric fastening applications.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e📦\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003e100-Piece Pack\u003c\/strong\u003e — Each pack contains 100 screws of the selected size and length, suitable for production runs, workshop stock, or bulk project requirements.\u003c\/span\u003e\n\u003c\/li\u003e\n    \u003cli\u003e\n\u003cspan class=\"hdiy-icon\"\u003e⚙️\u003c\/span\u003e\u003cspan\u003e\u003cstrong\u003eISO Metric Thread\u003c\/strong\u003e — Compatible with standard metric nuts, threaded inserts, and tapped holes for reliable engagement across M2–M4 sizes.\u003c\/span\u003e\n\u003c\/li\u003e\n  \u003c\/ul\u003e\n\n  \u003ch2\u003e📐 Technical Specifications — Black Zinc Flanged Button Head Phillips Machine Screws\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-table-wrap\"\u003e\n    \u003ctable\u003e\n      \u003ctbody\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Standard\u003c\/th\u003e\n\u003ctd\u003eISO Metric\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eDrive Type\u003c\/th\u003e\n\u003ctd\u003ePhillips (PH \/ Cross Head)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eHead Style\u003c\/th\u003e\n\u003ctd\u003eFlanged Button Head (Low Profile Dome with Integrated Flange)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eSurface Finish\u003c\/th\u003e\n\u003ctd\u003eBlack Zinc (Black Electro-Zinc + Black Chromate)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eThread Diameters\u003c\/th\u003e\n\u003ctd\u003eM2, M2.5, M3, M4\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eLengths Available\u003c\/th\u003e\n\u003ctd\u003e3mm, 4mm, 5mm, 6mm, 8mm, 10mm, 12mm, 16mm\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003ePack Size\u003c\/th\u003e\n\u003ctd\u003e100 Pcs\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eRecommended Driver\u003c\/th\u003e\n\u003ctd\u003ePH0 (M2–M2.5) \/ PH1 (M3) \/ PH1–PH2 (M4)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCorrosion Resistance\u003c\/th\u003e\n\u003ctd\u003eModerate (suitable for indoor and light outdoor use)\u003c\/td\u003e\n\u003c\/tr\u003e\n        \u003ctr\u003e\n\u003cth\u003eCountry of Origin\u003c\/th\u003e\n\u003ctd\u003eContact us to confirm\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003c\/tbody\u003e\n    \u003c\/table\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-note\"\u003e\n    \u003cspan class=\"hdiy-note-icon\"\u003e⚠️\u003c\/span\u003e\n    \u003cstrong\u003eNote:\u003c\/strong\u003e Black zinc coating provides moderate corrosion resistance. For harsh outdoor, marine, or high-humidity environments, stainless steel fasteners are recommended. Always use the correct Phillips driver size to avoid cam-out and head damage. Screw length is measured from the underside of the head to the tip.\n  \u003c\/div\u003e\n\n  \u003ch2\u003e❓ Frequently Asked Questions\u003c\/h2\u003e\n  \u003cdiv class=\"hdiy-faq\"\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat is a flanged button head screw and how does it differ from a standard button head?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eA flanged button head screw has a low-profile domed head with an integrated flange (a wide, flat rim) around the base of the head. The flange acts like a built-in washer, distributing the clamping load over a larger surface area. This eliminates the need for a separate washer in most applications, reduces the risk of the head pulling through softer materials, and provides a cleaner finished appearance.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat does Black Zinc coating mean and what protection does it offer?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eBlack zinc (black electro-zinc) is a zinc electroplating process followed by a black chromate conversion coating. It provides moderate corrosion resistance while giving the fastener a matte black appearance. It is suitable for indoor applications and light outdoor use. For harsh outdoor or marine environments, stainless steel or hot-dip galvanized fasteners are more appropriate.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat screwdriver do I need for Phillips head screws?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eM2–M2.5 typically use a PH0 driver, M3 typically uses a PH1 driver, and M4 typically uses a PH1 or PH2 driver. Using the correct size driver is important to avoid cam-out and head damage.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eDo flanged button head screws require a washer?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eIn most applications, no. The integrated flange distributes the clamping load over a larger area, performing the same function as a flat washer. This simplifies assembly, reduces part count, and provides a cleaner finished appearance.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eWhat thread standard do these screws follow?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eThese screws follow the ISO metric thread standard, compatible with standard metric nuts, threaded inserts, and tapped holes in M2, M2.5, M3, and M4.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary\u003eHow do I choose the right screw length?\u003c\/summary\u003e\n      \u003cdiv class=\"hdiy-faq-body\"\u003e\n        \u003cp\u003eFor machine screws used with a nut, the screw should extend at least 1–2 thread pitches beyond the nut when fully tightened. For screws threading into a tapped hole, aim for at least 1.5× the thread diameter of engagement. Note that for button head screws, the length is measured from the underside of the head (not the flange) to the tip of the screw.\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"hdiy-cta\"\u003e\n    🛒 Select your thread diameter and length above, then add to cart — ships from our US warehouse.\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"HomeDIYer","offers":[{"title":"M2 \/ 3mm \/ 100","offer_id":52253572202770,"sku":"DTGB02849x100","price":1.9,"currency_code":"USD","in_stock":true},{"title":"M2 \/ 4mm \/ 100","offer_id":52253572235538,"sku":"DTGB02850x100","price":1.93,"currency_code":"USD","in_stock":true},{"title":"M2 \/ 5mm \/ 100","offer_id":52253572268306,"sku":"DTGB02851x100","price":1.96,"currency_code":"USD","in_stock":true},{"title":"M2 \/ 6mm \/ 100","offer_id":52253572301074,"sku":"DTGB02852x100","price":1.99,"currency_code":"USD","in_stock":true},{"title":"M2 \/ 8mm \/ 100","offer_id":52253572333842,"sku":"DTGB02853x100","price":2.01,"currency_code":"USD","in_stock":true},{"title":"M2 \/ 10mm \/ 100","offer_id":52253572366610,"sku":"DTGB02854x100","price":2.04,"currency_code":"USD","in_stock":true},{"title":"M2 \/ 12mm \/ 100","offer_id":52253572399378,"sku":"DTGB02855x100","price":2.09,"currency_code":"USD","in_stock":true},{"title":"M2.5 \/ 4mm \/ 100","offer_id":52253572432146,"sku":"DTGB02856x100","price":1.93,"currency_code":"USD","in_stock":true},{"title":"M2.5 \/ 5mm \/ 100","offer_id":52253572464914,"sku":"DTGB02857x100","price":1.96,"currency_code":"USD","in_stock":true},{"title":"M2.5 \/ 6mm \/ 100","offer_id":52253572497682,"sku":"DTGB02858x100","price":2.04,"currency_code":"USD","in_stock":true},{"title":"M2.5 \/ 8mm \/ 100","offer_id":52253572530450,"sku":"DTGB02859x100","price":2.23,"currency_code":"USD","in_stock":true},{"title":"M2.5 \/ 10mm \/ 100","offer_id":52253572563218,"sku":"DTGB02860x100","price":2.41,"currency_code":"USD","in_stock":true},{"title":"M2.5 \/ 12mm \/ 100","offer_id":52253572595986,"sku":"DTGB02861x100","price":2.57,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 4mm \/ 100","offer_id":52253572628754,"sku":"DTGB02862x100","price":2.15,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 5mm \/ 100","offer_id":52253572661522,"sku":"DTGB02863x100","price":2.28,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 6mm \/ 100","offer_id":52253572694290,"sku":"DTGB02864x100","price":2.43,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 8mm \/ 100","offer_id":52253572727058,"sku":"DTGB02865x100","price":2.68,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 10mm \/ 100","offer_id":52253572759826,"sku":"DTGB02866x100","price":2.95,"currency_code":"USD","in_stock":true},{"title":"M3 \/ 12mm \/ 100","offer_id":52253572792594,"sku":"DTGB02867x100","price":3.13,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 6mm \/ 100","offer_id":52253572825362,"sku":"DTGB02868x100","price":4.65,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 8mm \/ 100","offer_id":52253572858130,"sku":"DTGB02869x100","price":5.24,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 10mm \/ 100","offer_id":52253572890898,"sku":"DTGB02870x100","price":5.79,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 12mm \/ 100","offer_id":52253572923666,"sku":"DTGB02871x100","price":6.38,"currency_code":"USD","in_stock":true},{"title":"M4 \/ 16mm \/ 100","offer_id":52253572956434,"sku":"DTGB02872x100","price":7.37,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0884\/8936\/1682\/files\/Picture1of4_02c4ef28-8508-4890-9cf8-5a7a9ac92c88.jpg?v=1779072795","url":"https:\/\/homediyer.com\/products\/m2-m4-flanged-button-head-phillips-machine-screws-black-zinc-100-pack","provider":"HomeDIYer","version":"1.0","type":"link"}