{"product_id":"malco-8x1-zip-in-self-piercing-screws-1-4-slotted-hex-washer-head-sheet-metal-screws-fast-easy-piercing-zinc-plated-7000-count","title":"Malco 8X1 Zip-In Self-Piercing Screws | 1\/4\" Slotted Hex Washer Head Sheet Metal Screws  | Fast \u0026 Easy Piercing | Zinc Plated (7000 Count)","description":"\u003cdiv\u003e\n\u003cp\u003eMeet Malco HW8X1Z Zip-In Self-Piercing Screws, the fast, reliable solution for joining thin to medium sheet metal with precision. Built around Zip-In’s signature threading and heat-treated metallurgy, these screws are designed to pierce metal cleanly and hold securely in place from the first bite to the final drive.\u003c\/p\u003e \u003ch3\u003eWhy Zip-In stands apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDual-thread piercing power\u003c\/strong\u003e: A single starting thread forms all the way to the tip to initiate penetration, followed by a second thread above the point that engages after initial entry, delivering double-fast drilling and strong, continuous thread engagement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOptimized heat treatment\u003c\/strong\u003e: The advanced heat treat process tapers to a fine, sharp point without compromising critical point strength, ensuring consistent performance across every screw.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEfficient, fast driving\u003c\/strong\u003e: Designed to drive quickly through sheet metal, reducing installation time on big projects and minimizing operator fatigue.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHeavy-gauge capability\u003c\/strong\u003e: Specifically engineered to fasten heavier gauges of sheet metal more effectively than standard self-piercing screws.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCorrosion resistance\u003c\/strong\u003e: Zinc-plated finish provides durable protection in everyday shop or field environments.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePackaged as a bulk 7000-count supply, the Malco Zip-In screws are ideal when you’re outfitting a shop, fleet, or job site with a dependable, long-lasting fastener that reduces pre-drilling and speeds assembly.\u003c\/p\u003e \u003ch3\u003eKey specifications in context\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSize and head:\u003c\/strong\u003e 8X1 self-piercing screws with a 1\/4\" slotted hex washer head\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Zinc plated for corrosion resistance\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 7000-count pack for bulk projects\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eAutomotive body panels and enclosures where quick, secure metal-to-metal fastening is needed\u003c\/li\u003e \u003cli\u003eHVAC ductwork, metal roofing, and siding installations\u003c\/li\u003e \u003cli\u003eElectrical enclosures, control boxes, and equipment housings\u003c\/li\u003e \u003cli\u003eFabrication of metal cabinets, panels, and lightweight structural assemblies\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow this screw solves real-world problems\u003c\/h3\u003e\n\u003cp\u003eTraditional self-piercing screws can struggle with heavier metal gauges or require pre-drilling, slowing down production. Zip-In’s dual-thread design, combined with a sharpened point and robust heat treatment, delivers rapid penetration and dependable thread engagement right away. The result is fewer reworks, fewer skipped holes, and a cleaner, more consistent fastener performance across the job site.\u003c\/p\u003e \u003ch3\u003ePractical tips for best results\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUse a compatible driver for the 1\/4\" slotted hex washer head to ensure full seating and minimize cam-out.\u003c\/li\u003e \u003cli\u003eAlign the screw with the sheet metal surface and apply steady, even pressure to maximize penetrating power.\u003c\/li\u003e \u003cli\u003eWhen joining multiple panels, consider a staggered pattern to distribute load and reduce the chance of binding.\u003c\/li\u003e \u003cli\u003ePlan for bulk deployments with the 7000-count pack to keep projects moving without interruptions.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eChoose Malco Zip-In Self-Piercing Screws for a cutting-edge combination of speed, strength, and reliability in sheet metal assemblies. The HW8X1Z provides the right balance of piercing power and heavy-gauge capability to tackle demanding metalwork with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Malco","offers":[{"title":"Bulk \/ 1 In. \/ #8","offer_id":42658647474224,"sku":"574-HW8X1Z","price":281.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0574\/3883\/0640\/files\/90bb5302-4d8c-4b95-a3c4-359eb933befb_177d3c59-103d-4c2d-8f98-ea1f56984744.png?v=1766159483","url":"https:\/\/usatooldepot.com\/products\/malco-8x1-zip-in-self-piercing-screws-1-4-slotted-hex-washer-head-sheet-metal-screws-fast-easy-piercing-zinc-plated-7000-count","provider":"USA Tool Depot","version":"1.0","type":"link"}