{"product_id":"type-ab-sheet-metal-screws-flat-undercut-head-phillips-drive-18-8-stainless-steel-4-x-3-8_0406abpu188kc","title":"#4 X 3\/8\" Type AB Self Tapping Sheet Metal Screws | Flat Undercut Head | Phillips Drive | 18\/8 Stainless Steel (5000\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eType AB Self Tapping Sheet Metal Screws with a Flat Undercut Head and Phillips Drive enable secure, flush mounting into metal panels. Manufactured from 18\/8 Stainless Steel, these screws deliver corrosion resistance and reliable drive engagement for professional sheet metal installations.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: #4\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 3\/8 inches\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive type\u003c\/strong\u003e: Phillips\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial grade\u003c\/strong\u003e: 18\/8 Stainless Steel (304)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread type\u003c\/strong\u003e: Self-tapping\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSelf-tapping capability\u003c\/strong\u003e: Eliminates the need for pilot holes in compatible sheet metal, creating threads as the fastener is driven and simplifying assembly in metal chassis, enclosures, and HVAC components.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlat undercut head\u003c\/strong\u003e: Provides a low-profile seating surface that sits flush with the workpiece, improving finish quality and reducing snag risks in tight assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePhillips drive\u003c\/strong\u003e: Ensures broad tool compatibility with standard screwdrivers and bits, promoting consistent torque application and minimizing cam-out during installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial: 18\/8 Stainless Steel (304)\u003c\/strong\u003e: Delivers robust corrosion resistance in indoor and outdoor environments, including exposure to moisture, humidity, and refrigerants common in metal installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType AB thread form\u003c\/strong\u003e: Optimized for dependable engagement in light gauge sheet metal, balancing torque requirements with reliable clamping force across repeated assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBulk packaging\u003c\/strong\u003e: Supplied in a 5,000 count bulk pack to support high-volume manufacturing, field servicing, and bulk installation projects.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUse case examples\u003c\/strong\u003e: Ideal for HVAC ducting, electrical enclosures, metal cabinets, automotive trim, and light gauge metal assemblies where flush installation and corrosion resistance are priorities.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":52815174926615,"sku":"0406ABPU188KC","price":225.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/0203ABPU188KC_19.webp?v=1776637346","url":"https:\/\/mutualscrew.com\/products\/type-ab-sheet-metal-screws-flat-undercut-head-phillips-drive-18-8-stainless-steel-4-x-3-8_0406abpu188kc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}