Mil-Spec, Narrow, Standard, Large Outside Diameter, USS
Nylon, Stainless Steel, Titanium, PEEK, Phenolic Resin
66 mm, 3 3/4", 2", 60 mm, 3 1/2"
16.5 mm, 20.2 mm, 37 mm, 1.172", 2.125"
1.2 mm, 0.6 mm, 0.28 mm, 8.1 mm, 1 mm
M58, M2.6, 7/16", #4, M14
BS 4320, DIN 127B, ASME B18.21.1, ASME B18.22.1
ASTM F844, DIN 125A