USS, Mil-Spec, SAE, Oversized, Standard
Titanium, Stainless Steel, Nylon, Phenolic Resin, Brass
45 mm, 40 mm, 50 mm, 23 mm, 1 5/8"
14.5 mm, 16.5 mm, 20.2 mm, 1.172", 1.031"
0.9 mm, 0.16 mm, 0.28 mm, 0.3 mm, 1.5 mm
BS 4320, ASME B18.8.1, DIN 7980, DIN 6797J, DIN 125A