Narrow, Mil-Spec, SAE, Large Outside Diameter, Standard
Alloy Steel, Stainless Steel, Titanium, PEEK, Phenolic Resin
11 mm, 23 mm, 3 3/4", 3 1/4", 1 3/16"
14.5 mm, 10.77 mm, 1.875", 1.172", 15 mm
1.5 mm, 1.45 mm, 5.8 mm, 0.28 mm, 0.5 mm
M58, #12, 5/8", 7/16", M2.5
DIN 6798J, BS 4320, BS 4320:1968, DIN 7980, BS 4320B