Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M20x2.5, M2x0.4, M10x1.25, M12x1.5, M6
5 1/4", 3 7/8", 160 mm, 3/8", 22 mm
Brass, Steel, Alloy Steel, Steel, Nylon, Plastic, Titanium
Ultra-Low-Profile Standard, Button, Standard, Flanged Standard, Flanged Button
Pozidriv, Hex Socket, Socket, External Square, Slotted