{"product_id":"bowmalloy-kp80404-2-uss-flat-washer-1-2-in-steel","title":"Bowmalloy KP80404-2 Uss Flat Washer 1\/2 in Steel","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe BOWMALLOY KP80404-2 is a 1\/2 inch USS flat washer manufactured from steel with a clear zinc chromate finish. It carries an inside diameter of 0.526 inches and an outside diameter of 1.375 inches, with a thickness of 0.125 inches. Built to ASTM F436 fastener standards with a material grade of 9, this washer distributes load and protects mating surfaces in bolted assemblies. It is suited for use in structural, industrial, and mechanical fastening applications where corrosion resistance and dimensional consistency are required. Installation is typically performed by millwrights, ironworkers, general contractors, or maintenance tradespeople working with standard inch-series fastener assemblies.\u003c\/p\u003e\u003cp\u003eThis washer is sized for 1\/2 inch screw applications following USS (United States Standard) washer dimensions, which feature a larger outer diameter than SAE equivalents. The clear zinc chromate finish provides a base level of corrosion protection suitable for indoor and light-duty outdoor environments. The ASTM F436 standard governs hardness and dimensional tolerances, making this washer compatible with structural bolt assemblies in construction and equipment fabrication settings where controlled bearing area is needed.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eUSS series washer with larger OD for increased load distribution compared to SAE equivalents\u003c\/li\u003e\n\u003cli\u003eSteel construction with material grade 9 for reliable hardness and strength\u003c\/li\u003e\n\u003cli\u003eClear zinc chromate finish for corrosion resistance in light-duty environments\u003c\/li\u003e\n\u003cli\u003eMeets ASTM F436 fastener standard for dimensional and hardness compliance\u003c\/li\u003e\n\u003cli\u003eInside diameter of 0.526 inches provides proper clearance for 1\/2 inch fasteners\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned for use with 1\/2 inch screws and bolts in USS-standard inch-series fastener assemblies. Suitable for structural and general-purpose bolted connections where ASTM F436 compliance is specified.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstall using standard hand tools or impact equipment appropriate for the fastener assembly. Ensure mating surfaces are clean and free of debris before seating the washer. Power down or de-energize any equipment before performing fastener work in electrical or mechanical enclosures. Follow applicable building and structural codes for torque and clamping requirements as specified by the project engineer or authority having jurisdiction.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWasher Type\u003c\/strong\u003e: USS\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eScrew Size\u003c\/strong\u003e: 1\/2 in\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Diameter\u003c\/strong\u003e: 0.526 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOutside Diameter\u003c\/strong\u003e: 1.375 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThickness\u003c\/strong\u003e: 0.125 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial Grade\u003c\/strong\u003e: 9\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish Coating\u003c\/strong\u003e: Clear Zinc Chromate\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFastener Standard\u003c\/strong\u003e: ASTM F436\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem of Measurement\u003c\/strong\u003e: Inch\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.01 pounds\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUNSPSC Code\u003c\/strong\u003e: 31161807\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: BOWMALLOY\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: KP80404-2\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"BOWMALLOY","offers":[{"title":"Default Title","offer_id":52092681650482,"sku":"KP80404-2","price":122.85,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5f9c0d2c443bf10517b1f7faa04ba98b.jpg?v=1790064043","url":"https:\/\/voomisupply.com\/products\/bowmalloy-kp80404-2-uss-flat-washer-1-2-in-steel","provider":"Voomi Supply","version":"1.0","type":"link"}