{"product_id":"national-mfg-n221-689-hook-bolt-5-16x5-inch-zinc-100lb","title":"National Mfg N221-689 Hook Bolt 5\/16x5 Inch Zinc 100LB","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NATIONAL MFG\/SPECTRUM BRANDS HHI N221-689 is a zinc-plated hook bolt designed for secure fastening applications where a threaded hook-end configuration is required. Measuring 5\/16 inches in diameter and 5 inches in length, this fastener delivers a 100 LB load capacity suitable for light-to-medium duty anchoring tasks. The zinc finish provides basic corrosion resistance, making it appropriate for general indoor use and dry installations. Sold in a bulk pack of 10 units, it is a practical choice for contractors, maintenance technicians, and tradespeople who need reliable fasteners on hand for standard rough-in or fixture-mounting work.\u003c\/p\u003e\n\u003cp\u003eThis hook bolt is suited for residential and light commercial applications where a hook-end threaded fastener is needed to anchor equipment, conduit supports, pipe hangers, or utility hardware to structural framing or blocking. The 5\/16-inch diameter shank accommodates standard nuts and washers of the same thread specification. The bulk pack quantity of 10 makes it practical for jobsite stocking or multi-point installation work where several fasteners are required at once.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e5\/16 inch diameter x 5 inch length for versatile fastening reach\u003c\/li\u003e\n  \u003cli\u003e100 LB rated load capacity for light-to-medium duty applications\u003c\/li\u003e\n  \u003cli\u003eZinc finish provides basic corrosion resistance\u003c\/li\u003e\n  \u003cli\u003eHook-end configuration for loop anchoring and hanger support use\u003c\/li\u003e\n  \u003cli\u003eBulk pack of 10 units per package for jobsite convenience\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard 5\/16-inch hook bolt for use with matching nuts and washers in general construction, maintenance, and light-duty anchoring applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by general contractors, electricians, plumbers, or maintenance technicians depending on the application. Ensure the substrate or structural member being fastened into is rated to support the intended load before installation. Power down any nearby electrical systems and shut off relevant utilities before working in the installation area. Follow applicable local building codes for fastener selection and load ratings.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 5\/16 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLoad Capacity\u003c\/strong\u003e: 100 LB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\/Finish\u003c\/strong\u003e: Zinc\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 10 units\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 1 pound\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: EA\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: NATIONAL MFG\/SPECTRUM BRANDS HHI\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: N221-689\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NATIONAL HARDWARE","offers":[{"title":"Default Title","offer_id":51558581993778,"sku":"N221-689","price":26.58,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/fc34cf5051461e3180b669bfc65d4368.jpg?v=1786414872","url":"https:\/\/voomisupply.com\/products\/national-mfg-n221-689-hook-bolt-5-16x5-inch-zinc-100lb","provider":"Voomi Supply","version":"1.0","type":"link"}