Mil-Spec, SAE, Large Outside Diameter, USS, Beveled
Steel, Titanium, Nylon, Phenolic Resin, PEEK
45 mm, 19 mm, 40 mm, 23 mm, 3 3/4"
6.5 mm, 16.5 mm, 20.2 mm, 1.875", 1.172"
3 mm, 2 mm, 0.16 mm, 0.28 mm, 1.5 mm
DIN 7980, DIN 6797J, BS 4320:1968, DIN 125A, ASME B18.21.1