SAE, Mil-Spec, Large Outside Diameter, USS, Standard
Nylon, Phenolic Resin, Alloy Steel, Titanium, Stainless Steel
15 mm, 45 mm, 19 mm, 23 mm, 4 1/2"
1.375", 1.563", 1.25", 0.563", 0.285"
0.6 mm, 1.2 mm, 0.7 mm, 0.16 mm, 0.28 mm
BS 4320:1968, DIN 127B, BS 4463, ASME B18.8.1, DIN 7603A