Mil-Spec, SAE, Standard, USS, Large Outside Diameter
Nylon, Phenolic Resin, Brass, Alloy Steel, Steel
18 mm, 2 3/16", 1 37/64", 15/16", 3"
0.563", 0.75", 0.875", 1.125", 1.25"
1.01 mm, 0.3 → 0.25 mm, 1.65 - 1.90 mm, 1 mm, 1.08 mm
BS 4320, BS 4320:1968, BS 4320G, BS 3410, ASTM F436