Mil-Spec, SAE, Beveled, Standard, Large Outside Diameter
Steel, Brass, Titanium, Nylon, Phenolic Resin
45 mm, 26 mm, 1 3/8", 13/16", 28 mm
1.063", 0.172", 1.563", 1.109", 0.344"
3.5 mm, 0.28 mm, 8.1 mm, 2.5 mm, 1.5 mm
DIN 127B, DIN 7980, DIN 125A, ASME B18.8.1, BS 4320B