Mil-Spec, Standard, Beveled, SAE, Large Outside Diameter
Nylon, Phenolic Resin, Brass, Alloy Steel, Steel
1/2", 1 17/32", 2 3/16", 1 37/64", 15/16"
0.25", 0.625", 0.875", 1.125", 1.25"
1.65 - 1.90 mm, 4 mm, 2 mm, 1 mm, 1.08 mm
DIN 7980, BS 4463, ASME B18.21.1, DIN 6797J, BS 3410