Mil-Spec, Oversized, Beveled, Large Outside Diameter, USS
Phenolic Resin, Brass, Steel, Stainless Steel, Nylon
19 mm, 40 mm, 28 mm, 50 mm, 1/2"
20.2 mm, 1.172", 2.625", 3.125", 1.109"
0.16 mm, 1.5 mm, 1.6 mm, 0.28 mm, 0.7 mm
BS 4320, DIN 6797J, DIN 125A, ASME B18.22.1
ASTM F844, ASME B18.8.1