Standard, Narrow, Oversized, Mil-Spec, Large Outside Diameter
Nylon, Phenolic Resin, Brass, Alloy Steel, Titanium
12 mm, 2 3/16", 1 37/64", 15/16", 3 1/2"
0.906", 0.563", 0.75", 0.875", 1.125"
0.3 → 0.25 mm, 1.65 - 1.90 mm, 2 mm, 1.08 mm, 1 mm
DIN 127B, ASTM F436, ASME B18.22.1 ASTM
F844, BS 3410, DIN 6798J