Mil-Spec, Beveled, Oversized, Large Outside Diameter, SAE
Nylon, Phenolic Resin, Brass, Alloy Steel, Stainless Steel
20 mm, 2 3/16", 1 37/64", 15/16", 1 1/2"
0.219", 0.41", 0.469", 0.875", 1.125"
0.3 → 0.25 mm, 1.65 - 1.90 mm, 4 mm, 0.5 mm, 1.08 mm
M3, M4, M2.5, 1 1/8", 3/8"
ASME B18.22.1 ASTM
F844, BS 4320:1968, ASME B18.8.1, BS 3410, DIN 6798J