Steel with a zinc-clear finish. 7/16" Nominal ID 59/64" outer diameter (OD) Thickness: 0.05’' Actual ID-15/32",Actual OD-59/64",Thickness-0.05"-0.08"

7/16" ID SAE flat washers. Made of steel with a zinc-clear coating. These SAE flat washers are made of steel and have a zinc-clear finish that provides good corrosion and rust protection. SAE washers have a smaller ID and OD than their USS washer counterparts.