SAE, Standard, Beveled, Large Outside Diameter, Oversized
Nylon, Steel, Phenolic Resin, Brass, Titanium
45 mm, 3 1/4", 60 mm, 3", 13/16"
20.2 mm, 10.77 mm, 1.172", 31 mm, 0.203"
0.6 mm, 8.1 mm, 0.5 mm, 2.5 mm, 3.5 mm
M3, M27, 2 1/2", 1 1/2", M24
BS 4320G, DIN 6798J, DIN 7603, DIN 6797J, BS 4320B