SAE, Mil-Spec, Standard, USS, Large Outside Diameter
Nylon, Phenolic Resin, Brass, Alloy Steel, Titanium
1 3/4", 10 mm, 2 3/16", 1 37/64", 15/16"
1.156", 1.281", 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 4320:1968, ASTM F436, BS 3410, BS 4320G, DIN 6798J