Mil-Spec, Large Outside Diameter, Beveled, SAE, USS
Steel, Titanium, Stainless Steel, Phenolic Resin, Brass
45 mm, 19 mm, 16 mm, 5 1/2", 3 3/4"
14.5 mm, 16.5 mm, 6.62 mm, 1.875", 1.172"
3.5 mm, 2.5 mm, 0.8 mm, 0.3 mm, 0.28 mm
DIN 6797A, DIN 127B, DIN 7603A, BS 4320B, BS 4463