SAE, Oversized, Large Outside Diameter, Mil-Spec, Beveled
Nylon, Brass, Titanium, Stainless Steel, Steel
45 mm, 50 mm, 2 1/2", 4", 23 mm
16.5 mm, 20.2 mm, 13.27 mm, 0.172", 1.172"
0.16 mm, 1.6 mm, 1.5 mm, 0.28 mm, 0.3 mm
DIN 7980, DIN 6797J, BS 4320:1968, DIN 125A, ASME B18.8.1