USS, Mil-Spec, SAE, Large Outside Diameter, Standard
Nylon, Phenolic Resin, Alloy Steel, Titanium, Stainless Steel
1/2", 9.5 mm, 11.1 mm, 23/32", 26 mm
16.5 mm, 20.2 mm, 6.62 mm, 1.172", 3.125"
1.25 mm, 0.16 mm, 1.5 mm, 0.28 mm, 0.7 mm
5/16", M2.5, 2 1/2", 1 1/2", 7/16"
DIN 7980, DIN 6797J, DIN 125A, ASME B18.8.1, ASME B18.21.1