Standard, Narrow, SAE, Large Outside Diameter, Mil-Spec
Phenolic Resin, Alloy Steel, Titanium, PEEK, Nylon
45 mm, 2", 3 3/4", 3 1/4", 60 mm
1.063", 0.219", 0.391", 1.563", 1.188"
1.2 mm, 1.1 mm, 2 mm, 0.8 mm, 3.5 mm
BS 4320B, DIN 127B, ASME B18.21.1, ASME B18.22.1
ASTM F844, BS 4463