#4 Regular (medium) Split Lock Washer Zinc and Bake 5/16-24-1 and a plain finish for

and a plain finish for added corrosion resistance

This 1/2" medium split lock washer is made of zinc and has a yellow chromate finish

562 inches and an inner diameter of 0

with an undersized body for use in countersunk holes

The screw is 2-1/2" long and has a diameter of 5/16"

#4 Regular (medium) Split Lock Washer Zinc and Bake 5/16-24-1 and a plain finish for#4 Regular (medium) Split Lock Washer Zinc and Bake is a type of washer used to prevent nuts and bolts from loosening due to vibration or movement. It is made of zinc plated steel and has a split design that allows it to be easily installed and removed. The split lock washer is designed to create friction between the nut and bolt, which helps to keep them in place. It is commonly used in automotive, construction, and other industrial applications.