{"product_id":"national-hardware-n221-580-ss-eye-bolt-1-4-x-2-5-in-hex-nut","title":"National Hardware N221-580 Ss Eye Bolt 1\/4 X 2.5 in Hex Nut","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe NATIONAL HARDWARE N221-580 is a stainless steel eye bolt designed for anchoring, lifting, and rigging applications where corrosion resistance is required. Part of the 2161BC catalog series, this fastener measures 1\/4 inch in diameter by 2.5 inches in length and features machine screw threads with a hex nut assembled. The stainless steel construction resists rust and corrosion, making it suitable for marine, outdoor, and wet-environment installations. Licensed tradespeople and general contractors use this hardware in structural, mechanical, and rigging setups where a reliable threaded eye anchor point is needed.\u003c\/p\u003e\n\u003cp\u003eThis eye bolt is suited for residential and commercial applications including cable and wire anchoring, tie-down points, pulley and block rigging, and general load-securing tasks. The assembled hex nut allows for secure fastening through panels, beams, or structural members without requiring a separate nut. Its compact 1\/4-inch diameter makes it appropriate for light-duty to medium-duty anchoring tasks in both indoor and outdoor environments.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eStainless steel construction resists corrosion in wet and marine environments\u003c\/li\u003e\n  \u003cli\u003eMachine screw threads provide positive thread engagement with the included hex nut\u003c\/li\u003e\n  \u003cli\u003eHex nut assembled for convenience during installation\u003c\/li\u003e\n  \u003cli\u003e1\/4 inch diameter by 2.5 inch length suits a range of anchoring and rigging applications\u003c\/li\u003e\n  \u003cli\u003ePart of the 2161BC series for consistent replacement and procurement\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as a standard 1\/4-inch machine screw thread eye bolt suitable for use with matching 1\/4-inch nuts, washers, and hardware in general anchoring and rigging assemblies.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstall using appropriate hand tools sized for the hex nut and a wrench or pliers to hold the eye during tightening. Ensure the substrate material is rated to handle the intended load before installation. Follow applicable local building codes and load-rating guidelines for rigging and anchoring hardware. Do not exceed the rated working load of the fastener or the substrate.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDiameter\u003c\/strong\u003e: 1\/4 inch\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLength\u003c\/strong\u003e: 2.5 inches\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eThread Type\u003c\/strong\u003e: Machine screw threads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterial\u003c\/strong\u003e: Stainless steel\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eIncluded Hardware\u003c\/strong\u003e: Hex nut assembled\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Weight\u003c\/strong\u003e: 0.04 pounds\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: 2161BC\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 HARDWARE\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: N221-580\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"STANLEY","offers":[{"title":"Default Title","offer_id":51691787583794,"sku":"N221-580","price":29.72,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/125ba79a8b36ff1d809041797ea64874.jpg?v=1788289695","url":"https:\/\/voomisupply.com\/products\/national-hardware-n221-580-ss-eye-bolt-1-4-x-2-5-in-hex-nut","provider":"Voomi Supply","version":"1.0","type":"link"}