SAE, Narrow, Mil-Spec, Large Outside Diameter, Oversized
Titanium, Nylon, Steel, PEEK, Phenolic Resin
45 mm, 44 mm, 2 1/4", 3 3/4", 4 1/2"
14.5 mm, 16.5 mm, 0.813", 1.172", 0.281"
5.8 mm, 0.7 mm, 0.16 mm, 2 mm, 0.28 mm
M2.6, 2 1/2", 1 3/8", #4, 3/8"
DIN 7980, BS 4320G, DIN 6797J, BS 4320B, DIN 7603A