Washer

Washers, Hot dipped galvanized steel, 5/16"

Washers are used to spread the load of a bolt or screw over a larger area or to help prevent loosening under vibration.

Washers, Hot dipped galvanized steel, 5/16"

USS flat washer

USS flat washers

USS pattern is the most common type of flat washer.

Lock washer

Lock washers

Split lock washers place tension against a nut after tightening, to help prevent loosening.