Mil-Spec, Standard, Beveled, Large Outside Diameter, SAE
Nylon, Phenolic Resin, Steel, Brass, Titanium
19 mm, 26 mm, 1 3/4", 5 1/2", 3 3/4"
0.594", 0.391", 1.188", 1.063", 0.625"
0.7 mm, 5.8 mm, 2 mm, 1.6 mm, 8.1 mm
ASTM F436, DIN 7980, ASME B18.22.1 ASTM
F844, DIN 7603A, BS 4320B