Standard, Mil-Spec, USS, Beveled, Large Outside Diameter
Titanium, PEEK, Nylon, Phenolic Resin, Alloy Steel
13/16", 18 mm, 2 3/16", 1 37/64", 15/16"
0.469", 0.344", 0.375", 0.875", 1.125"
Plain, NL-19, Armor Coat, Black Oxide, Zinc Yellow
4.5 mm, 7.5 mm, 5/32", 2.7 mm, 17/64"