Mil-Spec, SAE, Oversized, Large Outside Diameter, Standard
Titanium, Nylon, Phenolic Resin, Alloy Steel, PEEK
21 mm, 9.5 mm, 11.1 mm, 28 mm, 5/16"
1.375", 0.391", 0.203", 1.109", 0.563"
1.25 mm, 0.16 mm, 1.5 mm, 0.28 mm, 0.3 mm
BS 4320, ASME B18.21.1, ASME B18.22.1
ASTM F844, DIN 6797J, DIN 125A