Mil-Spec, Narrow, Standard, Large Outside Diameter, USS
Steel, Phenolic Resin, Brass, Stainless Steel, PEEK
5.5 mm, 21 mm, 1 1/4", 9.5 mm, 11.1 mm
0.219", 0.391", 1.563", 1.188", 0.5"
1.75 mm, 0.16 mm, 0.28 mm, 0.3 mm, 0.6 mm
DIN 6797J, BS 4320:1968, DIN 125A, ASME B18.21.1, ASME B18.22.1
ASTM F844