Standard, Narrow, Mil-Spec, SAE, Large Outside Diameter
Nylon, Phenolic Resin, Brass, Titanium, Steel
40 mm, 25 mm, 26 mm, 1 1/8", 1 17/32"
16.5 mm, 20.2 mm, 1.875", 0.172", 1.172"
1.5 mm, 1.25 mm, 0.16 mm, 0.28 mm, 0.7 mm
ASME B18.21.1, DIN 7980, DIN 6797J, DIN 125A, ASME B18.8.1