Standard, Narrow, SAE, Beveled, Large Outside Diameter
Nylon, Stainless Steel, Titanium, Phenolic Resin, Steel
40 mm, 45 mm, 5 1/2", 13/16", 60 mm
14.5 mm, 16.5 mm, 20.2 mm, 1.625", 1.172"
0.7 mm, 1.25 mm, 0.16 mm, 0.28 mm, 1.6 mm
BS 4463, ASME B18.21.1, BS 4320, DIN 6797J, DIN 125A