SAE, Large Outside Diameter, Mil-Spec, Standard, Oversized
Stainless Steel, Steel, Titanium, Nylon, Phenolic Resin
21 mm, 9.5 mm, 11.1 mm, 23/32", 7/8"
1.188", 1.109", 0.5", 0.625", 0.535"
1.4 mm, 5.8 mm, 1 mm, 0.4 mm, 0.28 mm
BS 4320B, DIN 6798J, DIN 125A, ASME B18.22.1
ASTM F844, DIN 7603A