{"product_id":"m4-2-self-tapping-sheet-metal-screws-410-stainless-steel-hex-washer-head","title":"M4.2 Self-Tapping Screws 410 Stainless Steel Hex Head – 50-100pk","description":"\n\u003ch2\u003eM4.2 Self-Tapping Sheet Metal Screws — 410 Stainless Steel\u003c\/h2\u003e\n\u003cp\u003eGet the job done faster with these high-strength \u003cstrong\u003eM4.2 self-tapping screws\u003c\/strong\u003e. Engineered from premium \u003cstrong\u003e410 stainless steel\u003c\/strong\u003e, these hex washer head drilling screws let you drill, tap, and lock in a single pass — no pre-drilling required. Perfect for attaching lath to metal, joining wood to steel plate, and a wide range of DIY and professional fastening applications.\u003c\/p\u003e\n\n\u003cp\u003e\u003cem\u003eMade in Mainland China.\u003c\/em\u003e\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Hardness 410 Stainless Steel\u003c\/strong\u003e — Exceptional strength with superior corrosion resistance that won't fade or rust over time\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Thread Coverage\u003c\/strong\u003e — Deep, uniform pitch threads grip securely across the entire shaft for maximum holding power\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e3-in-1 Action\u003c\/strong\u003e — Drilling, tapping, and locking completed in a single operation, saving you time, effort, and labour\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHex Washer Head with Cross Slot Drive\u003c\/strong\u003e — Standard cross (Phillips\/Pozidriv) slot for a firm, no-slip bite every time\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVersatile Material Compatibility\u003c\/strong\u003e — Effectively connects wood, iron, sheet metal, and steel plate\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSharp Mechanical Blade\u003c\/strong\u003e — Precision-manufactured cutting tip is sharp, strong, and easy to drive\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMaterial\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e410 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSize (Diameter)\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eM4.2 (#8)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAvailable Lengths\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e13 mm, 16 mm, 19 mm, 25 mm, 32 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eHead Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHex Washer \/ Round Flat Head\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCross Slot (Phillips \/ Pozidriv)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFull Thread, Self-Tapping \/ Drilling\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50 or 100 pcs per pack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCertification\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eCE\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eWhat Can You Fasten?\u003c\/h3\u003e\n\u003cp\u003eThese self-tapping screws are ideal for a variety of fastening tasks, including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eLath-to-metal and wood-to-metal connections\u003c\/li\u003e\n  \u003cli\u003eSheet metal assembly and HVAC ductwork\u003c\/li\u003e\n  \u003cli\u003eSteel framing, brackets, and channels\u003c\/li\u003e\n  \u003cli\u003eGeneral construction and woodworking projects\u003c\/li\u003e\n  \u003cli\u003eDIY home improvement and repair work\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eRelated Products You May Need\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-10g-high-grade-silicon-grease-lubricant-o-lubrication-good-odorless-smoothness-for-o-rings-tube-silicone-grease-lubricant\"\u003e1PC 10g High Grade Silicone Grease Lubricant for O-Rings \u0026amp; Threads\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/3pcs-silicone-sealant-scraper-set-multi-functional-caulking-nozzle-tools-for-tile-floor-joints-grout-finishing-and-renovation\"\u003e3PCS Silicone Sealant Scraper Set – Caulking \u0026amp; Finishing Tools\u003c\/a\u003e\u003c\/li\u003e\n  \u003cli\u003e\u003ca href=\"\/products\/1pc-multi-use-faucet-bubbler-wrenches-6-sizes-sink-wrenches-detach-tool-for-kitchen-bathroom-faucet-parts-repair-spanner\"\u003e1PC Multi-Use Faucet Bubbler Wrenches \u0026amp; Repair Spanner Set\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/hand-power-tools\" target=\"_blank\" rel=\"noopener\"\u003eOSHA guidance on hand and power tools\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: Do these M4.2 self-tapping screws require pre-drilling before installation?\u003c\/h4\u003e\n\u003cp\u003eA: No. These M4.2 self-tapping drilling screws are designed to drill, tap, and lock in a single step. The sharp precision-machined tip bites directly into sheet metal, steel plate, and wood without the need for a pilot hole, saving you significant time on the job.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What materials are these stainless steel screws compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: These 410 stainless steel self-tapping screws are compatible with a wide range of materials including wood, iron, sheet metal, and steel plate. They are commonly used for lath-to-metal connections, steel framing, HVAC ductwork, and general construction or DIY projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Will the 410 stainless steel resist rust and corrosion over time?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. 410 stainless steel offers strong corrosion resistance and high hardness, making these screws well-suited for demanding environments. The finish maintains its appearance and structural integrity even with prolonged exposure to moisture and varied conditions.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What sizes and quantities are available?\u003c\/h4\u003e\n\u003cp\u003eA: These M4.2 (#8) screws are available in lengths of 13 mm, 16 mm, 19 mm, 25 mm, and 32 mm. Each pack comes with either 50 or 100 screws, giving you flexibility for both small repairs and larger projects.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"Do these M4.2 self-tapping screws require pre-drilling before installation?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"No. These M4.2 self-tapping drilling screws are designed to drill, tap, and lock in a single step. 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