Oversized, Standard, Large Outside Diameter, USS, SAE
Nylon, Phenolic Resin, Alloy Steel, Steel, Brass
19 mm, 26 mm, 4 1/2", 3 3/4", 3 1/4"
16.5 mm, 20.2 mm, 0.172", 1.172", 0.156"
0.7 mm, 0.6 mm, 0.28 mm, 1.2 mm, 0.3 mm
DIN 127B, BS 4320, BS 4463, DIN 7603A, ASME B18.21.1