{"product_id":"malco-zip-in-self-piercing-screws-5-16-slotted-hex-washer-head-sheet-metal-screws-type-a-single-thread-zinc-plated-50-10-x-1-1-2","title":"Malco Zip-In Self-Piercing Screws | 5\/16\" Slotted Hex Washer Head Sheet Metal Screws  | Type A Single Thread | Zinc Plated (50, #10 x 1-1\/2\")","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Malco Zip-In Self-Piercing Screws — a purpose-built fastener engineered for quick, reliable metal-to-metal installations without pre-drilling. Designed for thin sheet metal work, these screws pair a rugged 5\/16\" slotted hex washer head with a Type A single-thread profile to deliver fast, clean driving and strong holds from first bite to final seat.\u003c\/p\u003e \u003cp\u003eKey details at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eHead and drive:\u003c\/strong\u003e 5\/16\" slotted hex washer head combines a broad bearing surface with a simple, traditional drive that minimizes cam-out on hard metals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread design:\u003c\/strong\u003e Type A single-thread provides efficient cutting action and steady torque for faster installation on single-pass applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Zinc-plated coating offers solid corrosion resistance for indoor and mild outdoor environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSize and quantity:\u003c\/strong\u003e Pack includes 50 screws, sized #10 x 1-1\/2\" for versatile use across common sheet metal projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatility:\u003c\/strong\u003e Available in longer lengths and other pack sizes, enabling you to scale for bigger jobs or tighter installations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy Choose Malco Zip-In Self-Piercing Screws?\u003c\/h2\u003e\n\u003cp\u003eThese screws are purpose-built for efficiency. The self-piercing action eliminates the need for pilot holes in many light- to medium-gauge sheet metals, slashing installation time on ductwork, metal roofing, siding, enclosures, and similar applications. The hex washer head provides a secure, flush finish that seals well against moisture, while the zinc finish helps resist corrosion in everyday use.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eHVAC ductwork and metal enclosures where speed and reliability matter\u003c\/li\u003e \u003cli\u003eLight to moderate gauge metal roofing or siding projects\u003c\/li\u003e \u003cli\u003eThin metal panels for automotive trim or appliance housings\u003c\/li\u003e \u003cli\u003eAny project that benefits from fast, strong holds with minimal pre-drilling\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eInstallation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse a standard slotted screwdriver or a compatible drill\/driver with a slotted bit to maintain proper alignment and prevent cam-out.\u003c\/li\u003e \u003cli\u003eAlign screws carefully to ensure the washer seats evenly for the best seal and load distribution.\u003c\/li\u003e \u003cli\u003eWhen expanding beyond the 1-1\/2\" length, consider longer variants to accommodate thicker assemblies or additional layers.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Malco Zip-In line, you get a dependable fastener that combines straightforward installation with enduring performance. The 50-piece count is perfect for one-off projects or stocking up your shop for ongoing metalworking tasks. If you’re tackling ductwork, panels, or light metal assemblies, these screws deliver a consistent bite, a secure hold, and a finish you can trust.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Malco","offers":[{"title":"Bulk \/ 11\/2 In. \/ #10","offer_id":42658645671984,"sku":"574-HW10X11\/2G","price":13.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/3883\/0640\/files\/041ffc5e-4e6b-4e9d-918a-009d9d407232.png?v=1766159471","url":"https:\/\/usatooldepot.com\/products\/malco-zip-in-self-piercing-screws-5-16-slotted-hex-washer-head-sheet-metal-screws-type-a-single-thread-zinc-plated-50-10-x-1-1-2","provider":"USA Tool Depot","version":"1.0","type":"link"}