Mil-Spec, Beveled, Large Outside Diameter, Standard, USS
Brass, Alloy Steel, Stainless Steel, Titanium, PEEK
18 mm, 19 mm, 1 5/16", 5 1/2", 3 3/4"
0.219", 0.172", 0.391", 1.109", 0.41"
1.25 mm, 0.16 mm, 0.28 mm, 0.3 mm, 0.7 mm
M2.6, 9/16", 7/16", 3/4", M36
DIN 7980, BS 4320, DIN 6797J, DIN 125A, ASME B18.8.1