USS, Large Outside Diameter, SAE, Mil-Spec, Beveled
Nylon, Brass, Titanium, Phenolic Resin, Steel
40 mm, 45 mm, 5/8", 2 1/4", 50 mm
20.2 mm, 1.172", 31 mm, 0.156", 0.906"
0.9 mm, 0.16 mm, 0.28 mm, 0.7 mm, 0.6 mm
DIN 7980, DIN 6797J, BS 4320:1968, DIN 125A, ASME B18.21.1