USS, Mil-Spec, Oversized, Beveled, Large Outside Diameter
PEEK, Nylon, Phenolic Resin, Steel, Alloy Steel
2 1/32", 20 mm, 2 3/16", 1 37/64", 15/16"
0.313", 0.75", 0.563", 0.875", 1.125"
8.1 mm, 0.3 → 0.25 mm, 0.6 mm, 1.65 - 1.90 mm, 1.08 mm
ASME B18.8.1, BS 4320G, BS2870 CZ108, ASTM F436, BS 3410