Mil-Spec, SAE, Large Outside Diameter, USS, Oversized
PEEK, Phenolic Resin, Titanium, Steel, Nylon
19 mm, 44 mm, 26 mm, 4 1/2", 18 mm
0.375", 1.375", 1.188", 1.563", 0.125"
0.4 mm, 0.28 mm, 1 mm, 8.1 mm, 2.5 mm
BS 4320:1968, BS 4320G, DIN 6797J, DIN 7603A, BS 4320B