Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M8, M10 x 1.50, M1.6x0.35, #8-32, M10x1.5
5 1/4", 2 1/16", 3 3/4", 2 1/8", 22 mm
Brass, Steel, Stainless Steel, Nylon, Plastic, Titanium
Low-Profile Standard, Standard, Ultra-Low-Profile Standard, Button, Flanged Button
Hex, Phillips, Socket, Slotted, External Square