Mil-Spec, SAE, USS, Standard, Large Outside Diameter
Nylon, Phenolic Resin, Brass, Steel, Alloy Steel
1 5/8", 18 mm, 2 3/16", 1 37/64", 15/16"
0.906", 0.75", 0.875", 1.125", 1.25"
Chrome-Plated, NL-19, Armor Coat, Black Oxide, Plain
1/8", 15/64", 7/32", 9/32", 4.6 mm