Large Outside Diameter, USS, Standard, Mil-Spec, Beveled
Nylon, Brass, Titanium, Phenolic Resin, Steel
25 mm, 1/2", 3 3/4", 12 mm, 2 3/4"
16.5 mm, 20.2 mm, 1.172", 31 mm, 0.781"
1.5 mm, 0.28 mm, 0.3 mm, 0.7 mm, 0.6 mm
M12, M2.6, M2, 9/16", 1 3/4"
BS 4320, ASME B18.8.1, DIN 6797J, DIN 125A, ASME B18.21.1