{"product_id":"type-ab-sheet-metal-screws-flat-head-phillips-drive-18-8-stainless-steel-4-x-1-1-2_0424abpf188kc","title":"#4 X 1-1\/2\" Type AB Self Tapping Sheet Metal Screws | Flat Head | Phillips Drive | 18\/8 Stainless Steel (5000\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003eType AB Self Tapping Sheet Metal Screws with a Flat Head and Phillips Drive provide secure fastening in thin metal assemblies. Manufactured from 304 Stainless Steel (18\/8), these screws deliver corrosion resistance and predictable performance in sheet metal applications.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: Diameter #4 × Length 1-1\/2 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: 304 Stainless Steel (18\/8)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread type\u003c\/strong\u003e: Type AB Self-Tapping\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eSelf-Tapping\u003c\/strong\u003e design forms threads in thin sheet metal, permitting installation without pre-drilled pilot holes in many applications and delivering reliable clamping.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCorrosion Resistance\u003c\/strong\u003e from 304 Stainless Steel (18\/8) provides durable performance in humid, outdoor, and wash-down environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFlat Head\u003c\/strong\u003e countersinks to a flush surface, improving appearance and reducing snag risk in exposed assemblies.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePhillips Drive\u003c\/strong\u003e engages consistently, enabling accurate torque transfer and reduced cam-out during powered installation.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eType AB Thread\u003c\/strong\u003e ensures balanced thread formation for holding power in moderate-thickness sheet metal.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal Use Scenarios\u003c\/strong\u003e: electrical enclosures, control panels, appliance housings, and HVAC ductwork where flush seating and corrosion resistance are required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":52815272771863,"sku":"0424ABPF188KC","price":441.09,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/1220ABPF188KC_6.webp?v=1776637292","url":"https:\/\/mutualscrew.com\/products\/type-ab-sheet-metal-screws-flat-head-phillips-drive-18-8-stainless-steel-4-x-1-1-2_0424abpf188kc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}