Mil-Spec, Standard, USS, Beveled, Large Outside Diameter
Nylon, Phenolic Resin, Brass, Alloy Steel, Titanium
1 3/8", 2 3/16", 1 37/64", 15/16", 1 5/32"
13 mm, 0.625", 0.75", 0.875", 1.125"
4", 1 1/8", #8, 5/16", 1 1/2"
Zinc Plated, Plain, Zinc Yellow, Armor Coat, Black Oxide
7.5 mm, 17/64", 4.3 mm, 1/8", 1 mm