Narrow, Mil-Spec, Standard, Large Outside Diameter, SAE
Brass, PEEK, Phenolic Resin, Steel, Titanium
45 mm, 3 1/2", 2", 59/64", 44 mm
6.5 mm, 20.2 mm, 37 mm, 1.172", 13 mm
0.76 mm, 1.45 mm, 5.8 mm, 8.1 mm, 0.5 mm
BS 4320B, DIN 7980, BS 4320:1968, DIN 127B, BS 4320