Mil-Spec, Standard, Beveled, Large Outside Diameter, USS
PEEK, Nylon, Phenolic Resin, Alloy Steel, Titanium
2 1/4", 18 mm, 2 3/16", 1 37/64", 15/16"
1.281", 0.438", 0.75", 0.875", 1.125"
8.1 mm, 0.3 → 0.25 mm, 1.65 - 1.90 mm, 1.08 mm, 3 mm
BS2870 CZ108, BS 4320G, BS 3410, ASTM F436, ASME B18.22.1 ASTM
F844