{"product_id":"national-marker-n221309-zinc-eye-bolt-hex-nut-1-2x4-in","title":"National Marker N221309 Zinc Eye Bolt Hex Nut 1\/2x4 in","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NATIONAL MARKER N221309 is a zinc-plated eye bolt with an assembled hex nut, designed for secure fastening in both home and industrial settings. Part of the 2160BC catalog series, it features machine screw threads and measures 0.5 inches in diameter by 4 inches in length. Manufactured from steel wire with a zinc finish for corrosion resistance, this eye bolt is rated for interior and exterior use. It is a standard hardware component installed by contractors, maintenance technicians, and experienced DIYers wherever a reliable anchor point or hanging fastener is needed.\u003c\/p\u003e\n\u003cp\u003eThis eye bolt suits a wide range of general-purpose fastening applications across residential and commercial environments. Its assembled hex nut design allows for immediate installation without additional hardware sourcing. Suitable for overhead hanging, cable routing, line anchoring, and similar tasks where a looped fastener point is required. The zinc coating makes it appropriate for both indoor installations and outdoor environments exposed to moisture and weather.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eZinc-plated steel wire construction for corrosion resistance in interior and exterior applications\u003c\/li\u003e\n  \u003cli\u003eMachine screw thread pattern with hex nut included and pre-assembled\u003c\/li\u003e\n  \u003cli\u003e0.5 inch shank diameter by 4 inch length for versatile fastening depth\u003c\/li\u003e\n  \u003cli\u003ePart of the 2160BC series for consistent hardware sourcing\u003c\/li\u003e\n  \u003cli\u003eSuitable for both residential and industrial use cases\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a general-purpose eye bolt for use in standard wood, masonry, or metal substrates where a 0.5 inch threaded anchor point is required for home or industrial applications.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation is typically performed by general contractors, maintenance technicians, or qualified tradespeople using standard hand tools. Always ensure the substrate material is rated for the intended load before installing eye bolts in overhead or high-tension applications. Pre-drill a pilot hole appropriate for the shank diameter to prevent substrate splitting or thread damage. Follow applicable building codes and load-rating guidelines when using eye bolts for structural or overhead lifting purposes.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eShank Diameter\u003c\/strong\u003e: 0.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 4 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: Machine screw\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Steel wire\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFinish\u003c\/strong\u003e: Zinc plated\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHardware Included\u003c\/strong\u003e: Hex nut, assembled\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight\u003c\/strong\u003e: 0.329 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 2160BC\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Interior and exterior\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUnit of Measure\u003c\/strong\u003e: Each\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 MARKER\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: N221309\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"NATIONAL MARKER","offers":[{"title":"Default Title","offer_id":51344831381810,"sku":"N221309","price":42.28,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/310550394.jpg?v=1782044448","url":"https:\/\/voomisupply.com\/products\/national-marker-n221309-zinc-eye-bolt-hex-nut-1-2x4-in","provider":"Voomi Supply","version":"1.0","type":"link"}