Standard, SAE, USS, Beveled, Large Outside Diameter
Nylon, Phenolic Resin, Brass, Steel, Alloy Steel
1 3/4", 35 mm, 2 3/16", 1 37/64", 15/16"
6.4 mm, 4.3 mm, 0.75", 0.875", 1.125"
Zinc Yellow, Armor Coat, Hot Dipped Galvanized, Black Oxide, Zinc Plated
7.5 mm, 3.1 mm, 3.3 mm, 0.55 mm, 1/32"