Narrow, Mil-Spec, Large Outside Diameter, USS, Beveled
Nylon, Titanium, Steel, Phenolic Resin, Brass
40 mm, 45 mm, 19 mm, 3 3/4", 28 mm
6.5 mm, 8.62 mm, 16.5 mm, 1.875", 1.172"
0.7 mm, 2.2 mm, 1 mm, 8.1 mm, 1.6 mm
DIN 6797J, BS 4320, BS 4320B, BS 4463, ASME B18.21.1