USS, Mil-Spec, Oversized, Beveled, SAE
Titanium, Phenolic Resin, Steel, PEEK, Nylon
1 3/16", 3/8", 1 5/32", 1 1/32", 1 17/32"
8.4 mm, 16.5 mm, 20.2 mm, 1.172", 1.5"
0.7 mm, 1.1 mm, 1.5 mm, 3.5 mm, 0.3 mm
BS 4320B, BS 4320:1968, ASME B18.22.1
ASTM F844, DIN 125A, ASME B18.8.1