Mil-Spec, Standard, SAE, Large Outside Diameter, USS
Brass, Alloy Steel, Titanium, Steel, Nylon
18 mm, 40 mm, 50 mm, 1 1/16", 5 1/2"
6.5 mm, 16.5 mm, 20.2 mm, 1.172", 0.125"
1.25 mm, 0.16 mm, 1.8 mm, 0.28 mm, 0.6 mm
M2.6, #10, M36, M4, 9/16"
BS 4320, DIN 6797J, BS 4320:1968, DIN 125A, ASME B18.22.1
ASTM F844