SAE, Standard, Oversized, USS, Large Outside Diameter
Titanium, PEEK, Phenolic Resin, Brass, Alloy Steel
2 1/2", 2 1/32", 2 3/16", 1 37/64", 15/16"
0.375", 0.625", 0.75", 0.875", 1.125"
1.55 - 1.70 mm, 1.01 mm, 0.3 → 0.25 mm, 1.65 - 1.90 mm, 1.08 mm
BS 4320G, BS 4320:1968, DIN 127B, ASME B18.22.1 ASTM
F844, BS 3410