Standard, Mil-Spec, SAE, Oversized, Narrow
Phenolic Resin, Alloy Steel, Nylon, Titanium, Brass
14 mm, 40 mm, 26 mm, 28 mm, 1 1/32"
16.5 mm, 20.2 mm, 0.375", 1.172", 3.125"
1.75 mm, 1.5 mm, 0.16 mm, 0.28 mm, 0.3 mm
3/16", M12, #8, 5/16", 7/16"
ASME B18.21.1, ASME B18.8.1, BS 4320, DIN 6797J, DIN 125A