USS, Mil-Spec, Beveled, Oversized, SAE
Stainless Steel, Alloy Steel, Nylon, Phenolic Resin, Steel
15 mm, 45 mm, 50 mm, 5 1/2", 3 3/4"
0.469", 0.391", 1.375", 1.188", 1.563"
0.7 mm, 5.8 mm, 8.1 mm, 1.5 mm, 2.5 mm
BS 4320G, ASME B18.8.1, DIN 125A, BS 4320B, DIN 7603A