Oversized, Narrow, Mil-Spec, Beveled, Large Outside Diameter
Nylon, Phenolic Resin, Steel, Alloy Steel, Titanium
20 mm, 2 3/16", 1 37/64", 15/16", 2 1/2"
0.5", 0.75", 0.875", 1.125", 1.25"
8.1 mm, 0.3 → 0.25 mm, 0.6 mm, 1.65 - 1.90 mm, 1.08 mm
BS 4320, BS 4463, ASME B18.22.1
ASTM F844, BS 4320G, DIN 6798J