![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/600x600/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 N221-218 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/1280x1280/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]")
Product Overview
Standard machine screw threads, Course machine screw thread on the extra large sizes (larger than 1/2 x 12), 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 N221-614 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]")
![National Hardware N221-234 Eye Bolt, 5/16-18 Thread, 3 in L Thread, 3/4 in ID Dia Eye, 3.72 in L Shank, Steel, Zinc [SKU: ORG6790000]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/79173/77372/6790000__01764.1692632533.jpg?c=1 "National Hardware N221-234 Eye Bolt, 5/16-18 Thread, 3 in L Thread, 3/4 in ID Dia Eye, 3.72 in L Shank, Steel, Zinc [SKU: ORG6790000]")
![National Hardware N221-242 Eye Bolt, 5/16-18 Thread, 3 in L Thread, 3/4 in ID Dia Eye, 4.72 in L Shank, Steel, Zinc [SKU: ORG6790018]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/79174/77373/6790018__81240.1692632533.jpg?c=1 "National Hardware N221-242 Eye Bolt, 5/16-18 Thread, 3 in L Thread, 3/4 in ID Dia Eye, 4.72 in L Shank, Steel, Zinc [SKU: ORG6790018]")
![National Hardware N221-150 Eye Bolt, 5/16-18 Thread, 1 in L Thread, 3/4 in ID Dia Eye, 1.22 in L Shank, Steel, Zinc [SKU: ORG4407508]](https://cdn11.bigcommerce.com/s-iqof5nfcfj/images/stencil/500x659/products/79162/77361/4407508__47578.1692632530.jpg?c=1 "National Hardware N221-150 Eye Bolt, 5/16-18 Thread, 1 in L Thread, 3/4 in ID Dia Eye, 1.22 in L Shank, Steel, Zinc [SKU: ORG4407508]")
![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]")