SAE, Mil-Spec, Standard, Beveled, Large Outside Diameter
Phenolic Resin, Brass, Steel, Alloy Steel, Titanium
2 3/16", 1 37/64", 15/16", 1 5/32", 2 1/2"
0.391", 6.4 mm, 0.875", 1.125", 1.25"
Plain, Armor Coat, Hot Dipped Galvanized, Black Oxide, Zinc Yellow
3.1 mm, 3.4 mm, 3/64", 0.35 mm, 9/32"