Narrow, Mil-Spec, Standard, USS, Large Outside Diameter
Phenolic Resin, Brass, Alloy Steel, Stainless Steel, Steel
3/4", 2", 2 3/16", 1 37/64", 15/16"
6.4 mm, 0.625", 0.75", 0.875", 1.125"
8.1 mm, 0.3 → 0.25 mm, 3.5 mm, 1.65 - 1.90 mm, 1.08 mm
BS 3410, BS2870 CZ108, BS 4320:1968, DIN 127B, DIN 6798J