Standard, Narrow, Large Outside Diameter, Beveled, Mil-Spec
Nylon, Steel, Phenolic Resin, Stainless Steel, Titanium
5.5 mm, 21 mm, 9.5 mm, 11.1 mm, 3"
1.172", 0.281", 2.625", 2.125", 22.52 mm
1.5 mm, 1.45 mm, 5.8 mm, 8.1 mm, 0.5 mm
M58, M2.6, #12, #5, 9/16"
ASME B18.21.1, BS 4320G, ASME B18.8.1, BS 4320, BS 4320B