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![National Hardware N221-622 Eye Bolt, 5/16-18 Thread, 2-1/4 in L Thread, 3/4 in ID Dia Eye, 2.72 in L Shank [SKU: ORG4235669]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/1280x1280/products/79202/77398/4235669__89211.1692632542.jpg?c=1 "National Hardware N221-622 Eye Bolt, 5/16-18 Thread, 2-1/4 in L Thread, 3/4 in ID Dia Eye, 2.72 in L Shank [SKU: ORG4235669]")
Product Overview
Standard machine screw threads, When subjected to 312 hr of salt fog spray testing, zinc-plated hardware showed severe corrosion while hardware with WeatherGuard protection withstood these harsh conditions with very little deterioration. [QTY/UOM: 1EA / 1EA]
![National Hardware N221-226 Eye Bolt, 5/16-18 Thread, 2-1/4 in L Thread, 3/4 in ID Dia Eye, 2.72 in L Shank, Steel, Zinc [SKU: ORG6789994]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/79172/77371/6789994__22268.1692632533.jpg?c=1 "National Hardware N221-226 Eye Bolt, 5/16-18 Thread, 2-1/4 in L Thread, 3/4 in ID Dia Eye, 2.72 in L Shank, Steel, Zinc [SKU: ORG6789994]")
![National Hardware N221-614 Eye Bolt, 5/16-18 Thread, 1-3/4 in L Thread, 3/4 in ID Dia Eye, 1.97 in L Shank [SKU: ORG2295129]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/79199/77395/2295129__95766.1692632541.jpg?c=1 "National Hardware N221-614 Eye Bolt, 5/16-18 Thread, 1-3/4 in L Thread, 3/4 in ID Dia Eye, 1.97 in L Shank [SKU: ORG2295129]")
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![National Hardware N221-218 Eye Bolt, 5/16-18 Thread, 1-3/4 in L Thread, 3/4 in ID Dia Eye, 1.97 in L Shank, Steel, Zinc [SKU: ORG6789986]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/79171/77370/6789986__46080.1692632532.jpg?c=1 "National Hardware N221-218 Eye Bolt, 5/16-18 Thread, 1-3/4 in L Thread, 3/4 in ID Dia Eye, 1.97 in L Shank, Steel, Zinc [SKU: ORG6789986]")
![National Hardware N221-630 Eye Bolt, 5/16-18 Thread, 3 in L Thread, 3/4 in ID Dia Eye, 3.72 in L Shank, Stainless Steel [SKU: ORG2240604]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/79198/77394/2240604__74856.1692632541.jpg?c=1 "National Hardware N221-630 Eye Bolt, 5/16-18 Thread, 3 in L Thread, 3/4 in ID Dia Eye, 3.72 in L Shank, Stainless Steel [SKU: ORG2240604]")