Standard, Narrow, Mil-Spec, Oversized, Large Outside Diameter
PEEK, Nylon, Phenolic Resin, Brass, Alloy Steel
2 3/4", 2 3/16", 1 37/64", 15/16", 1 5/16"
17 mm, 8.4 mm, 0.75", 0.875", 1.125"
2 mm, 1.01 mm, 0.3 → 0.25 mm, 1.65 - 1.90 mm, 1.08 mm
BS2870 CZ108, BS 4463, ASTM F436, BS 3410, DIN 125A