Actual ID-1 1/2",Actual OD-3 1/4",Thickness-0.15"-0.22"
Description
1 3/8" ID USS flat washers. Made of steel with a zinc-clear coating. These USS flat washers are made of steel and have a zinc-clear finish that provides good corrosion and rust protection. USS washers have a larger ID and OD than their SAE washer counterparts.