{"product_id":"type-ab-sheet-metal-screws-truss-head-phillips-drive-steel-black-oxide-4-x-3-8_0406abptbkc","title":"#4 X 3\/8\" Type AB Self Tapping Sheet Metal Screws | Truss Head | Phillips Drive | Steel Black Oxide (10000\/Pkg.)","description":"\u003cdiv\u003e\n\u003cp\u003e10000 bulk Type AB Self Tapping Sheet Metal Screws with Truss Head, Phillips Drive, and Black Oxide finish on Steel. They are designed for direct insertion into sheet metal, forming threads as installed to create secure joints.\u003c\/p\u003e \u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eDimensions\u003c\/strong\u003e: Diameter #4, Length 3\/8 inch\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Black Oxide\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive type\u003c\/strong\u003e: Phillips\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThread type\u003c\/strong\u003e: Type AB\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eFunctional benefits\u003c\/strong\u003e: Self Tapping screws form their own mating threads in sheet metal during installation, eliminating pre-drilling and ensuring consistent thread engagement.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eUse cases\u003c\/strong\u003e: Suitable for fastening thin metal panels in HVAC ductwork, electrical enclosures, automotive trim, and metal cabinet assemblies where reliable clamping is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHead design\u003c\/strong\u003e: Truss head provides a broad bearing surface to reduce pull-through and distribute load over a larger area in soft or thin metals.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDrive compatibility\u003c\/strong\u003e: Phillips drive aligns with standard bit sets, enabling efficient installation and reducing cam-out risk under typical torque.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFinish and corrosion\u003c\/strong\u003e: Black Oxide finish offers modest corrosion resistance in mild environments and provides a non-reflective surface suitable for industrial settings.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Mutual Screw","offers":[{"title":"Default Title","offer_id":52815260680471,"sku":"0406ABPTBKC","price":314.36,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0836\/1125\/5063\/files\/0810ABPTBKC_90.webp?v=1776637887","url":"https:\/\/mutualscrew.com\/products\/type-ab-sheet-metal-screws-truss-head-phillips-drive-steel-black-oxide-4-x-3-8_0406abptbkc","provider":"Mutual Screw \u0026 Supply","version":"1.0","type":"link"}