Mil-Spec, Standard, Large Outside Diameter, Oversized, USS
Phenolic Resin, Alloy Steel, Stainless Steel, Steel, Brass
45 mm, 3 1/2", 40 mm, 23 mm, 2"
0.41", 0.391", 0.172", 1.563", 1.109"
1.5 mm, 1.45 mm, 5.8 mm, 0.6 mm, 8.1 mm
M4, M58, M2.6, 1 1/4", #5
BS 4320, DIN 6797A, BS 4320B, BS 4463, DIN 125A