Standard, Mil-Spec, Beveled, Oversized, USS
Nylon, Phenolic Resin, Stainless Steel, Steel, Titanium
45 mm, 3 1/2", 19 mm, 44 mm, 1 5/16"
16.5 mm, 13.27 mm, 37 mm, 1.172", 31 mm
0.9 mm, 5.8 mm, 1.2 mm, 0.6 mm, 8.1 mm
3/16", 5/16", M10, M36, M8
BS 4320B, BS 4320, DIN 125A, DIN 7603A, BS 4463