SAE, Narrow, Standard, Oversized, Beveled
Phenolic Resin, Brass, Steel, Stainless Steel, Nylon
40 mm, 45 mm, 66 mm, 5 1/2", 2 1/4"
6.5 mm, 16.5 mm, 20.2 mm, 37 mm, 1.172"
5.8 mm, 3.5 mm, 8.1 mm, 1.5 mm, 0.28 mm
DIN 127B, BS 4320, ASME B18.22.1
ASTM F844, DIN 125A, DIN 7603A