Mil-Spec, USS, Standard, Beveled, Oversized
Brass, Phenolic Resin, Titanium, Stainless Steel, Nylon
45 mm, 26 mm, 23 mm, 5 1/2", 3 3/4"
0.594", 1.625", 0.219", 1.563", 0.285"
1.25 mm, 1 mm, 0.16 mm, 0.9 mm, 0.28 mm
M36, M20, M14, 7/16", 1 1/2"
BS 4320, DIN 7980, DIN 6797J, DIN 125A, ASME B18.21.1