The Hillman Group 829308 1/2 by 13-Inch Stainless Steel Finish Hex Nut, 50-Pack Product Description Hex nuts are for general applications and are used with bolts and washers of the same finish. The most commonly used nut, they are often found in deck and fence building. The called out size is the inner diameter and the number of threads per inch or thread pitch. From the Manufacturer Hex nuts are for general applications and are used with bolts and washers of the same finish. The most commonly used nut, they are often found in deck and fence building. The called out size is the inner diameter and the number of threads per inch or thread pitch. Features Stainless Steel for a superior corrosion resistant finish USS coarse nuts for coarse threaded bolts Be sure not to strip your nuts by over tightening Be sure to use a nut that is consistent with your other fasteners For use with a 1/2" bolt USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.