Mil-Spec, Standard, Beveled, SAE, Large Outside Diameter
Phenolic Resin, Brass, Alloy Steel, Steel, Titanium
2 1/2", 1 17/32", 2 3/16", 1 37/64", 15/16"
0.348", 0.535", 0.75", 0.875", 1.125"
M20, M1.6, 1 1/8", 1", M10
NL-19, Armor Coat, Hot Dipped Galvanized, Black Oxide, Zinc Yellow
3.1 mm, 3.4 mm, 0.35 mm, 3.3 mm, 1 mm