Mil-Spec, Large Outside Diameter, Oversized, Beveled, SAE
Steel, Titanium, PEEK, Stainless Steel, Nylon
45 mm, 20 mm, 40 mm, 26 mm, 4 1/2"
16.5 mm, 10.5 mm, 1.172", 0.906", 0.391"
0.7 mm, 1.45 mm, 5.8 mm, 8.1 mm, 3 mm
BS 4320G, ASME B18.8.1, DIN 7603A, DIN 125A, BS 4463