{"product_id":"m4-2-self-tapping-sheet-metal-screws-410-stainless-steel-hex-washer-head-1","title":"M4.2 Self-Tapping Sheet Metal Screws 410 Stainless Hex Head","description":"\n\u003ch2\u003eM4.2 Self-Tapping Sheet Metal Screws — 410 Stainless Steel Hex Washer Head\u003c\/h2\u003e\n\u003cp\u003eGet the job done right with these high-strength \u003cstrong\u003eM4.2 (#8) self-tapping sheet metal screws\u003c\/strong\u003e. Crafted from \u003cstrong\u003e410 stainless steel\u003c\/strong\u003e, these hex washer head screws are engineered to cut their own threads quickly and securely into sheet metal, light steel framing, and lath-to-metal applications — no pre-tapping required. Whether you're tackling HVAC ductwork, metal roofing, steel framing, or general fabrication, these screws deliver a fast, reliable, and corrosion-resistant fastening solution.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e 410 Stainless Steel — excellent corrosion resistance and long-lasting durability\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Style:\u003c\/strong\u003e Hex Washer Head — provides a wider bearing surface for a secure, flush fit\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDrive Style:\u003c\/strong\u003e Hex Socket — works with standard hex\/nut drivers for fast, efficient installation\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuick-Tapping Design:\u003c\/strong\u003e Sharp, precision-formed threads cut cleanly into metal without pre-drilling\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCE Certified\u003c\/strong\u003e — meets relevant quality and safety standards\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePack Quantity:\u003c\/strong\u003e 50–99 pcs — ideal for both small repairs and larger projects\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e M4.2 (equivalent to #8)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eSheet metal fabrication and assembly\u003c\/li\u003e\n  \u003cli\u003eHVAC ductwork and ventilation systems\u003c\/li\u003e\n  \u003cli\u003eMetal roofing and wall cladding\u003c\/li\u003e\n  \u003cli\u003eLath-to-metal fastening\u003c\/li\u003e\n  \u003cli\u003eLight steel framing and construction\u003c\/li\u003e\n  \u003cli\u003eGeneral DIY metalworking projects\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eThread Size\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\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\u003eHead Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHex Washer Head\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDrive Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHex Socket\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\u003eQuantity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50–99 Pcs per pack\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\u003eMade in Mainland China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003eRelated Products You May Like\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; Tubes\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 – Multi-Functional Caulking 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 – 6 Sizes Sink Repair Spanner\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: What materials can these M4.2 self-tapping screws fasten into?\u003c\/h4\u003e\n\u003cp\u003eA: These M4.2 stainless steel self-tapping screws are designed primarily for sheet metal, light steel framing, and lath-to-metal applications. Their sharp, precision-formed threads allow them to cut directly into the material without requiring a pre-tapped hole, making them ideal for HVAC ductwork, metal roofing, and general fabrication work.\u003c\/p\u003e\n\u003ch4\u003eQ: What tool do I need to drive these hex washer head screws?\u003c\/h4\u003e\n\u003cp\u003eA: These screws feature a hex socket drive style, so they are compatible with standard hex nut drivers, hex bit drivers, or socket wrenches. This ensures fast, efficient installation and a secure, consistent torque without cam-out.\u003c\/p\u003e\n\u003ch4\u003eQ: Are these screws rust-resistant for outdoor or wet environments?\u003c\/h4\u003e\n\u003cp\u003eA: Yes — made from 410 stainless steel, these self-tapping sheet metal screws offer strong corrosion resistance, making them suitable for both indoor and outdoor applications where exposure to moisture is a concern.\u003c\/p\u003e\n\u003ch4\u003eQ: How many screws come in a pack?\u003c\/h4\u003e\n\u003cp\u003eA: Each pack contains between 50 and 99 pieces, giving you plenty of fasteners for repairs, small-scale builds, or larger metalworking 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\": \"What materials can these M4.2 self-tapping screws fasten into?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"These M4.2 stainless steel self-tapping screws are designed primarily for sheet metal, light steel framing, and lath-to-metal applications. 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