SAE, Large Outside Diameter, USS, Standard, Beveled
Stainless Steel, Steel, Nylon, Phenolic Resin, Titanium
66 mm, 23 mm, 3 3/4", 4 1/2", 50 mm
20.2 mm, 1.625", 0.375", 1.172", 0.781"
0.16 mm, 1.6 mm, 0.28 mm, 0.3 mm, 0.7 mm
BS 4320, ASME B18.21.1, DIN 7980, DIN 6797J, DIN 125A