Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
#6-40, M10 x 1.50, M1.6x0.35, M2.5x0.45, 1/4"-20
5 1/4", 50 mm, 3 3/16", 7 1/2", 1 3/8"
Brass, Steel, Alloy Steel, Steel, Nylon, Plastic, Titanium
Flat, Ultra-Low-Profile Standard, Standard, Flanged Standard, Flanged Button
Hex, Pozidriv, Socket, Slotted, External Square