Mil-Spec, Narrow, USS, Standard, SAE
Steel, PEEK, Alloy Steel, Stainless Steel, Titanium
45 mm, 4", 23 mm, 1 3/4", 13/16"
14.5 mm, 16.5 mm, 20.2 mm, 1.172", 3.125"
5.8 mm, 0.7 mm, 0.5 mm, 8.1 mm, 0.28 mm
DIN 6797A, DIN 125A, DIN 6797J, BS 4320, BS 4320B