Mil-Spec, Large Outside Diameter, Standard, Beveled, USS
Alloy Steel, Titanium, PEEK, Phenolic Resin, Steel
45 mm, 1 3/8", 7/8", 3 3/4", 13/16"
16.5 mm, 20.2 mm, 10.77 mm, 0.172", 1.172"
1.25 mm, 1.5 mm, 0.16 mm, 0.28 mm, 0.3 mm
ASTM F436, BS 4320, DIN 7980, DIN 6797J, DIN 125A