Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M12x1.75, M20x2.5, M2x0.4, M1.6x0.35, M2.5x0.45
5 1/4", 2 1/16", 20 mm, 30 mm, 3 11/16"
Steel, Alloy Steel, Steel, Brass, Nylon, Plastic, Titanium
Ultra-Low-Profile Standard, Low-Profile Standard, Button, Flanged Button, Flat
Hex, Phillips, Socket, Slotted, External Square