5/16 x 2 1/2 Fender Washer Zinc 4-40-1 Their heavy hex head provides

Their heavy hex head provides a secure grip for tightening

The 5/16-inch hole diameter fits snugly around a 5/16-inch bolt or screw

and the black oxide finish provides corrosion resistance

With a diameter of 1/2 inch and a length of 1 1/2 inches

5/16 x 2 1/2 Fender Washer Zinc 4-40-1 Their heavy hex head providesThe 5 16 x 2 1 2 Fender Washer Zinc is a flat, round washer with a large outer diameter and a small inner diameter. It is made of zinc plated steel and is designed to be used with 5 16 inch bolts or screws. The washer helps to distribute the load of the bolt or screw over a larger area, preventing the bolt or screw from pulling through the material it is being used with. It also helps to prevent damage to the material from the bolt or screw.