Oversized, Standard, USS, Large Outside Diameter, SAE
Nylon, Phenolic Resin, Brass, Alloy Steel, Titanium
1/2", 20 mm, 2 3/16", 1 37/64", 15/16"
1.281", 0.5", 0.75", 0.875", 1.125"
0.3 → 0.25 mm, 0.6 mm, 1.65 - 1.90 mm, 0.5 mm, 1.08 mm
DIN 6798J, BS 4320:1968, ASME B18.21.1, DIN 127B, BS 3410