5/16 x 2 1/2 Fender Washer Zinc 4-40-1 this hex cap screw is

this hex cap screw is ideal for use in machinery

and the black oxide finish provides corrosion resistance

Its Grade 5 rating indicates its strength and reliability

Their heavy hex head provides a secure grip for tightening

The undersized body allows the bolt to fit through a smaller hole than a standard carriage bolt

5/16 x 2 1/2 Fender Washer Zinc 4-40-1 this hex cap screw isThe 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.