Mil-Spec, Standard, Beveled, SAE, Large Outside Diameter
Steel, Nylon, Phenolic Resin, Brass, Alloy Steel
1 5/8", 2 3/16", 1 37/64", 15/16", 2 3/4"
1.281", 0.313", 0.75", 0.875", 1.125"
0.6 mm, 0.3 → 0.25 mm, 1.65 - 1.90 mm, 1.08 mm, 1 mm
BS 4320:1968, ASME B18.21.1, ASME B18.22.1 ASTM
F844, DIN 127B, BS 3410