Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M16x2, #8-32, M10 x 1.50, 3/8"-24, M1.6x0.35
3 7/8", 4 1/8", 85 mm, 5 1/4", 3 9/16"
Brass, Steel, Alloy Steel, Steel, Titanium, Nylon, Plastic
Low-Profile Standard, Ultra-Low-Profile Standard, Flat, Standard, Flanged Button
Hex, Hex Socket, Slotted, External Square, Socket