Mil-Spec, USS, Oversized, Standard, Large Outside Diameter
Nylon, Phenolic Resin, Alloy Steel, Stainless Steel, Titanium
1 17/32", 2 3/16", 1 37/64", 15/16", 2 3/4"
0.156", 0.438", 0.75", 0.875", 1.125"
1.2 mm, 0.6 mm, 0.3 → 0.25 mm, 1.65 - 1.90 mm, 1.08 mm
BS 4320:1968, ASME B18.21.1, BS 3410, DIN 6797J, DIN 127B