Mil-Spec, Standard, Beveled, SAE, Oversized
Phenolic Resin, Steel, Titanium, PEEK, Brass
45 mm, 16 mm, 4 1/2", 3 3/4", 1 5/16"
0.348", 0.25", 1.313", 0.813", 1.109"
5.8 mm, 0.8 mm, 8.1 mm, 1.2 mm, 2.2 mm
M58, 1/2", 1/4", 5/32", M3
BS 4320:1968, DIN 127B, DIN 6797J, BS 4320B, BS 4463