The Hillman Group 280074 SAE Flat Washers 1", 10-Pack Product Description SAE Flat Washers 1" From the Manufacturer Used in applications with nuts and bolts. The flat washer provides a greater bearing surface which helps prevent a nut or bolt head from tearing through the material. Flat washers are commonly used in decks and fence building. The called out size is the inner diameter of the washer. Features Zinc coating for a corrosion resistant finish SAE fine washers for coarse threaded bolts Washers are used to increase the pressure a bolt or screw provides Use a washer that is the same finish as your other fasteners Contains 10 pieces 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.