Mil-Spec, Standard, Large Outside Diameter, USS, SAE
Nylon, Brass, Alloy Steel, Titanium, Stainless Steel
40 mm, 45 mm, 3 1/2", 16 mm, 26 mm
0.172", 1.375", 1.563", 0.391", 1.188"
5.8 mm, 0.4 mm, 1.2 mm, 1.5 mm, 0.28 mm
M2.6, 5/16", #5, 7/8", #12
DIN 125A, DIN 6798J, BS 4320B, ASME B18.21.1, DIN 7603A