SAE, Standard, Mil-Spec, USS, Beveled
Phenolic Resin, Stainless Steel, Titanium, PEEK, Nylon
4", 16 mm, 5 1/2", 3 3/4", 1 5/16"
1.375", 0.656", 0.391", 1.109", 0.5"
1.2 mm, 0.4 mm, 0.6 mm, 0.3 mm, 0.28 mm
DIN 125A, BS 4320B, DIN 7980, BS 4463, ASME B18.21.1