Narrow, Mil-Spec, USS, Standard, Large Outside Diameter
PEEK, Nylon, Phenolic Resin, Brass, Alloy Steel
18 mm, 2 3/16", 1 37/64", 15/16", 1 1/16"
0.375", 0.75", 0.875", 1.125", 1.25"
M3, M7, 1 1/2", #12, 7/8"
Chrome-Plated, NL-19, Armor Coat, Zinc Yellow, Black Oxide
2.2 mm, 4.3 mm, 3/64", 1/32", 7/32"