SAE, Standard, Large Outside Diameter, Mil-Spec, Beveled
Nylon, Alloy Steel, Titanium, PEEK, Phenolic Resin
45 mm, 19 mm, 16 mm, 5 1/2", 3 3/4"
16.5 mm, 20.2 mm, 6.62 mm, 1.172", 0.906"
1.5 mm, 0.28 mm, 0.6 mm, 8.1 mm, 1.1 mm
DIN 6797A, BS 4320, BS 4320G, DIN 125A, BS 4320B