Standard, Mil-Spec, Oversized, SAE, Large Outside Diameter
PEEK, Stainless Steel, Phenolic Resin, Brass, Steel
21 mm, 9.5 mm, 11.1 mm, 23/32", 22 mm
0.594", 0.391", 1.625", 0.938", 0.285"
0.8 mm, 0.16 mm, 1.6 mm, 0.28 mm, 1.5 mm
ASME B18.21.1, DIN 6797J, BS 4320:1968, DIN 125A, ASME B18.8.1