Mil-Spec, Oversized, USS, Beveled, Large Outside Diameter
Stainless Steel, Nylon, Phenolic Resin, Alloy Steel, Titanium
20 mm, 2 3/16", 1 37/64", 15/16", 1 5/32"
0.25", 0.625", 0.75", 0.875", 1.125"
Plain, Armor Coat, Hot Dipped Galvanized, Black Oxide, Zinc Yellow
15/64", 4.6 mm, 1.1 mm, 3/32", 1/4"