Mil-Spec, Standard, Oversized, Large Outside Diameter, USS
Steel, Nylon, Phenolic Resin, Brass, Alloy Steel
1 5/8", 1 1/2", 2 3/16", 1 37/64", 15/16"
0.203", 0.313", 0.75", 0.875", 1.125"
1.2 mm, 8.1 mm, 0.3 → 0.25 mm, 1.65 - 1.90 mm, 1.08 mm
M20, M1.6, #8, 3/8", 1 1/4"
BS2870 CZ108, BS 4320:1968, BS 4463, ASTM F436, BS 3410