SAE, Mil-Spec, Standard, Large Outside Diameter, USS
Steel, Phenolic Resin, Brass, Titanium, Stainless Steel
21 mm, 11/16", 9.5 mm, 11.1 mm, 4 1/2"
16.5 mm, 20.2 mm, 1.172", 0.094", 1.281"
0.8 mm, 0.9 mm, 0.16 mm, 0.28 mm, 1.5 mm
BS 4320, DIN 6797J, DIN 125A, ASME B18.21.1, ASME B18.22.1
ASTM F844