{"product_id":"malco-7x1-2-zip-in-self-piercing-screws-1-4-slotted-hex-washer-head-sheet-metal-screws-fast-easy-piercing-zinc-plated-100-count","title":"Malco 7X1\/2 Zip-In Self-Piercing Screws | 1\/4\" Slotted Hex Washer Head Sheet Metal Screws  | Fast \u0026 Easy Piercing | Zinc Plated (100 Count)","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Malco Zip-In 7X1\/2 Self-Piercing Screws—a purpose-built fastener designed for fast, dependable sheet metal assembly. With a zinc-plated finish and a 1\/4\" hex washer head, these screws deliver clean penetration, strong clamping, and long-lasting durability in a single, efficient package.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWhy Zip-In stands apart\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eInnovative two-thread design\u003c\/strong\u003e: A single starting thread runs all the way to the tip to initiate penetration, then a second thread above the point engages after entry to drive the screw in twice as fast. The result is quicker installations and more reliable holds, even in thicker gauges.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeat-treated precision point\u003c\/strong\u003e: The advanced heat-treat process tapers the point to a razor-like tip without sacrificing strength, reducing wandering and maximizing first-pass drive power.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeavy-gauge capability\u003c\/strong\u003e: Engineered to fasten heavier sheet metal more securely than typical self-piercing screws, giving you confident performance on demanding assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCorrosion-resistant finish\u003c\/strong\u003e: Zinc plating guards against rust in a variety of environments, helping your joints stay tight and looking good over time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSolid, flush seating\u003c\/strong\u003e: The 1\/4\" slotted hex washer head distributes clamping force evenly and creates a clean, flush surface for trim and panels.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eConvenient 100-count pack\u003c\/strong\u003e: Ready-to-use quantity for larger projects, reducing downtime and the need for frequent reordering.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePerfect for your sheet metal projects\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMetal roofing, trim, and flashing installations where you want rapid penetration and strong holds without pre-drilling.\u003c\/li\u003e \u003cli\u003eHVAC ductwork, metal enclosures, and other applications that demand dependable fastening in heavier-gauge metal.\u003c\/li\u003e \u003cli\u003eAutomotive body work and workshop projects that benefit from a fast, durable self-piercing solution.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eHow these screws solve common problems\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eEliminates the need for pilot holes in many sheet metal applications, speeding up builds and reducing labor.\u003c\/li\u003e \u003cli\u003eLess risk of cam-out and strip-outs thanks to the optimized head design and precise drive compatibility.\u003c\/li\u003e \u003cli\u003eConsistent performance across varied metal thicknesses, thanks to the dual-thread approach and robust tip.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003ePractical tips for best results\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eWhen working with very thick gauges, ensure surfaces are clean and free of burrs to maximize bite and reduce deformation.\u003c\/li\u003e \u003cli\u003eUse a proper hex driver to maximize torque transfer and prevent stripping of the washer head.\u003c\/li\u003e \u003cli\u003eAlign sheets carefully and support the material to minimize deflection during fastening for a crisper, tighter joint.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose the Malco Zip-In HW7X1\/2ZG screws for a fast, reliable, and durable self-piercing fastening solution that handles heavier sheet metal with ease. A practical, high-performance option for professionals and serious DIY enthusiasts seeking efficiency without compromising strength.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Malco","offers":[{"title":"Bulk \/ 1\/2 In. \/ #7","offer_id":42658647670832,"sku":"574-HW7X1\/2ZG","price":10.55,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/3883\/0640\/files\/8f21dd38-e576-4d6f-9743-57ff41c00737.png?v=1766159483","url":"https:\/\/usatooldepot.com\/products\/malco-7x1-2-zip-in-self-piercing-screws-1-4-slotted-hex-washer-head-sheet-metal-screws-fast-easy-piercing-zinc-plated-100-count","provider":"USA Tool Depot","version":"1.0","type":"link"}