Mil-Spec, Large Outside Diameter, SAE, USS, Beveled
Titanium, Steel, Stainless Steel, Nylon, Phenolic Resin
15 mm, 40 mm, 3 1/2", 19 mm, 3 3/4"
20.2 mm, 1.172", 0.156", 1.109", 22.52 mm
0.16 mm, 1.5 mm, 2 mm, 0.28 mm, 0.3 mm
ASME B18.21.1, ASME B18.22.1 ASTM
F844, DIN 7980, DIN 6797J, DIN 125A