{"product_id":"type-a-sheet-metal-screws-indented-hex-washer-head-slotted-drive-steel-zinc-plated-5-16-20-x-1-1-4_3120awkc","title":"5\/16 X 1-1\/4\" Type A Self Tapping Sheet Metal Screws | Indented Hex Washer Head | Unslotted Drive | Steel Zinc \u0026 Bake (1000\/Pkg.)","description":"\u003cdiv\u003eType A Self Tapping Sheet Metal Screws deliver efficient fastening for sheet metal assemblies with minimal pre-punching. The Indented Hex Washer Head, Unslotted Drive, and Zinc \u0026amp; Bake finish provide reliable torque control and corrosion resistance for steel applications. \u003ch3\u003eSpecs\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: 5\/16 inch diameter x 1-1\/4 inch length\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Zinc \u0026amp; Bake\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive type\u003c\/strong\u003e: Unslotted\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: Steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread type\u003c\/strong\u003e: Type A\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSelf tapping\u003c\/strong\u003e capability enables thread forming without prior tapping for sheet metal, improving installation speed and reducing need for pre-drilled pilot holes.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndented Hex Washer Head\u003c\/strong\u003e provides a broad bearing surface for load distribution, flush seating, and enhanced seating stability during tightening.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUnslotted drive\u003c\/strong\u003e minimizes risk of cam-out in automated assembly and supports consistent torque transfer with compatible tooling.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish: Zinc \u0026amp; Bake\u003c\/strong\u003e delivers corrosion resistance and wear protection suitable for moderate environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial: Steel\u003c\/strong\u003e delivers high strength for secure fastening in structural sheet metal connections.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplications\u003c\/strong\u003e: ideal for electrical enclosures, appliance housings, metallic control panels, and automotive trim where reliable, fast, permanent fastening is required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":52814952300823,"sku":"3120AWKC","price":362.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/0608AWKC_43.webp?v=1776637532","url":"https:\/\/mutualscrew.com\/products\/type-a-sheet-metal-screws-indented-hex-washer-head-slotted-drive-steel-zinc-plated-5-16-20-x-1-1-4_3120awkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}