Mil-Spec, Beveled, Large Outside Diameter, USS, Oversized
Nylon, Titanium, Stainless Steel, PEEK, Phenolic Resin
18 mm, 4", 7/8", 3 3/4", 2 1/2"
0.813", 0.25", 0.391", 1.563", 1.188"
0.6 mm, 0.28 mm, 1.2 mm, 0.5 mm, 0.16 mm
DIN 6797A, DIN 6797J, BS 4320G, ASME B18.21.1, BS 4320B