Narrow, Mil-Spec, Standard, USS, Large Outside Diameter
Phenolic Resin, Steel, Alloy Steel, Stainless Steel, Titanium
2 1/4", 1 5/8", 2 3/16", 1 37/64", 15/16"
0.125", 1.031", 0.75", 0.875", 1.125"
8.1 mm, 0.3 → 0.25 mm, 1.65 - 1.90 mm, 1.08 mm, 0.5 mm
BS 4320G, BS2870 CZ108, ASME B18.8.1, BS 4320, BS 3410