Description:

5/16" C516L Flat Washer (ID. 328,OD. 562, Thick 1/32) 18-8 SS - 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.