{"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","url":"https:\/\/homediyer.com\/products\/m4-2-self-drilling-wafer-head-phillips-screws-stainless-steel-210-piece-kit","provider":"HomeDIYer","version":"1.0","type":"link"}