SAE, Standard, Large Outside Diameter, Mil-Spec, USS
Stainless Steel, Brass, Titanium, Nylon, Phenolic Resin
15 mm, 4", 40 mm, 1 1/16", 5 1/2"
6.5 mm, 16.5 mm, 1.172", 31 mm, 1.109"
1.5 mm, 0.28 mm, 1.6 mm, 1.1 mm, 0.3 mm
BS 4320:1968, DIN 6798J, DIN 7603A, DIN 6797J, BS 4320B