Description:

Brass Flat Washer - #10 Large (. 20 ID x. 500 OD x. 040 Thick) Qty-1,000 Features: Flat washers are used to support and spread the load across the baring area of the bolt and nut to prevent pull through. A flat washer is a round outer diameter thin plate with a center hole (inner diameter) punched to the size of the bolt or screw size.