Mil-Spec, Standard, SAE, USS, Large Outside Diameter
PEEK, Nylon, Phenolic Resin, Brass, Alloy Steel
1 3/8", 7/16", 2 3/16", 1 37/64", 15/16"
13 mm, 0.75", 0.875", 1.125", 1.5"
#10, 3/8", 1 1/2", 1/2", 1 1/8"
NL-19, Plain, Armor Coat, Black Oxide, Zinc Yellow
2.7 mm, 3/64", 1/16", 1 mm, 2.5 mm