Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M24x3, M20x2.5, M4x0.7, 1/2"-13, M10 x 1.50
3 1/8", 40 mm, 6 1/2", 18 mm, 20 mm
Steel, Steel, Alloy Steel, Brass, Titanium, Nylon, Plastic
Low-Profile Standard, Flanged Standard, Flat, Ultra-Low-Profile Standard, Flanged Button
Torx, Hex, Slotted, External Square, Socket