Standard, SAE, Large Outside Diameter, Mil-Spec, Beveled
Nylon, Steel, Stainless Steel, PEEK, Phenolic Resin
66 mm, 5 1/2", 3 3/4", 13/16", 6 mm
20.2 mm, 10.77 mm, 13.27 mm, 0.172", 1.172"
2.2 mm, 0.4 mm, 0.28 mm, 0.5 mm, 0.8 mm
DIN 7980, BS 4463, ASME B18.8.1, ASME B18.22.1
ASTM F844, BS 4320B