{"product_id":"stewart-fastener-j1248ashz-hex-washer-head-tapping-screw","title":"Stewart Fastener J1248ASHZ Hex Washer Head Tapping Screw","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe STEWART FASTENER J1248ASHZ is a No. 12 x 3 inch hex washer head Type A tapping screw with a zinc plated finish, sold in a jar of 100 pieces. Type A tapping screws are self-threading fasteners designed to cut their own threads in thin sheet metal, soft metals, resin board, and similar materials. The hex washer head style provides a large bearing surface that resists pull-through while allowing fast driving with a standard hex socket or nut driver. Zinc plating delivers basic corrosion resistance for general indoor and light-duty applications. This jar-pack format is well suited to shop inventory, service vans, and jobsite bins.\u003c\/p\u003e\n\u003cp\u003eThese screws are a common choice for HVAC sheet metal fabrication and equipment panel assembly, light-gauge ductwork attachment, electrical enclosure assembly, and general sheet metal work across residential and commercial trades. The No. 12 diameter and 3 inch length target applications where a longer grip is needed through stacked material or light structural members. Licensed sheet metal workers, HVAC technicians, electricians, and general contractors regularly stock this size for production and service work.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eType A thread-forming point self-taps into sheet metal and soft substrates without pre-tapping\u003c\/li\u003e\n  \u003cli\u003eHex washer head provides high bearing surface area and reduces pull-through risk\u003c\/li\u003e\n  \u003cli\u003eNo. 12 x 3 inch size covers thicker or stacked material applications\u003c\/li\u003e\n  \u003cli\u003eZinc plating provides corrosion resistance for general-use environments\u003c\/li\u003e\n  \u003cli\u003eJar of 100 pieces supports bench stock and mobile service inventory\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard Type A hex washer head tapping screw for use in light-gauge sheet metal, resin board, and similar materials where a self-threading fastener is required.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is performed with a hex socket driver or nut driver sized to the hex washer head. Confirm base material thickness and hardness are within the rated range for Type A tapping screws before driving. Do not over-torque, as over-driving can strip the tapped thread in thin sheet stock. Follow applicable codes and manufacturer guidelines for fastener spacing in ductwork and panel assemblies.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Size\u003c\/strong\u003e: No. 12\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 3 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHead Style\u003c\/strong\u003e: Hex Washer Head\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: Type A Tapping\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Zinc Plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity per Package\u003c\/strong\u003e: 100 pieces (jar)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: STEWART FASTENER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: J1248ASHZ\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"STEWART FASTENER","offers":[{"title":"Default Title","offer_id":51344771055922,"sku":"J1248ASHZ","price":31.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310552147.jpg?v=1782043115","url":"https:\/\/voomisupply.com\/products\/stewart-fastener-j1248ashz-hex-washer-head-tapping-screw","provider":"Voomi Supply","version":"1.0","type":"link"}