Large Outside Diameter, USS, Mil-Spec, Oversized, Beveled
Alloy Steel, Titanium, Nylon, Phenolic Resin, Brass
3 1/2", 16 mm, 50 mm, 23 mm, 3 3/4"
1.063", 0.391", 1.563", 1.109", 0.348"
1.45 mm, 5.8 mm, 1.2 mm, 0.4 mm, 3 mm
DIN 9021, DIN 6798J, DIN 6797A, DIN 7603, BS 4320B