Mil-Spec, Large Outside Diameter, Standard, SAE, Beveled
Phenolic Resin, Nylon, Titanium, PEEK, Stainless Steel
45 mm, 50 mm, 23 mm, 4 1/2", 1 1/16"
1.172", 31 mm, 0.781", 3.125", 0.078"
5.8 mm, 1.2 mm, 0.4 mm, 1 mm, 0.28 mm
BS 4320B, BS 4320:1968, ASME B18.8.1, BS 4320G, DIN 7603A