Mil-Spec, Standard, Beveled, SAE, Large Outside Diameter
Alloy Steel, Phenolic Resin, Titanium, PEEK, Steel
45 mm, 40 mm, 5 1/2", 3 3/4", 13/16"
0.391", 1.563", 0.172", 0.813", 1.063"
1 mm, 0.8 mm, 0.28 mm, 2 mm, 0.5 mm
BS 4320:1968, BS 4320G, DIN 127B, ASME B18.8.1, BS 4320B