{"product_id":"national-mfg-n347-831-zinc-u-bolt-1-2x4-5x7-with-plates-nuts","title":"National Mfg N347-831 Zinc U-bolt 1\/2x4.5x7 with Plates Nuts","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\u003cp\u003eThe NATIONAL MFG\/SPECTRUM BRANDS HHI N347-831 is a zinc-plated steel U-bolt assembly designed for fastening pipe, wood, and similar materials in a wide range of trade and industrial applications. The bolt measures 0.5 inches in diameter with a 4.5-inch inside width and a 7-inch leg length. Manufactured from steel wire with a zinc finish for corrosion resistance, the assembly ships complete with mounting plates and hex nuts, making it a ready-to-install fastening solution. Plumbers, HVAC technicians, electricians, and general contractors reach for U-bolts like this when securing pipe runs, conduit, or structural components to framing or surfaces.\u003c\/p\u003e\u003cp\u003eThis U-bolt is suited for residential and commercial applications including plumbing pipe support, conduit strapping, automotive component mounting, and general industrial fastening to wood or metal substrates. The 0.5-inch rod diameter provides substantial holding strength for medium-duty pipe and conduit support tasks. Plates and hex nuts are included in the package, so no additional hardware is required for a standard installation. The assembly is sold in a bulk pack of 5 units per package.\u003c\/p\u003e\u003ch4\u003eKey Features\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003eZinc-plated steel wire construction for corrosion resistance in wet or exposed environments\u003c\/li\u003e\n\u003cli\u003e0.5-inch rod diameter with 4.5-inch inside width and 7-inch leg length\u003c\/li\u003e\n\u003cli\u003eIncludes mounting plates and hex nuts — no additional hardware required\u003c\/li\u003e\n\u003cli\u003eSuitable for pipe, wood, conduit, and general industrial fastening\u003c\/li\u003e\n\u003cli\u003eBulk pack of 5 assemblies per package\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eCompatibility\u003c\/h4\u003e\u003cp\u003eDesigned as a general-purpose U-bolt for securing pipe, conduit, wood members, and similar materials in plumbing, automotive, and industrial fastening applications.\u003c\/p\u003e\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\u003cp\u003eInstallation is performed by plumbers, HVAC technicians, or general tradespeople using standard hand tools. Shut off flow or de-energize any pipe or conduit being secured before beginning work. Thread hex nuts evenly on both legs of the U-bolt to ensure the mounting plate seats flush and load is distributed uniformly. Follow applicable plumbing or mechanical codes for pipe support spacing and fastener requirements.\u003c\/p\u003e\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eRod Diameter\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInside Width\u003c\/strong\u003e: 4.5 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeg Length\u003c\/strong\u003e: 7 inches\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Zinc\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel Wire\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded Hardware\u003c\/strong\u003e: Mounting Plates and Hex Nuts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 5\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 4.87 pounds\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch4\u003eStandard Information\u003c\/h4\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: NATIONAL MFG\/SPECTRUM BRANDS HHI\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: N347-831\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NATIONAL HARDWARE","offers":[{"title":"Default Title","offer_id":51557914116402,"sku":"N347-831","price":54.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/40e8366f277e6f0dcefeb7a07d58ba6c.jpg?v=1786398198","url":"https:\/\/voomisupply.com\/products\/national-mfg-n347-831-zinc-u-bolt-1-2x4-5x7-with-plates-nuts","provider":"Voomi Supply","version":"1.0","type":"link"}