Imperial, Metric, Coarse, Metric, Fine, Inch, Metric
M4x0.7, 1/2"-13, M2.5x0.45, M10 x 1.50, M1.6x0.35
2 1/8", 1/2", 14 mm, 2 13/16", 45 mm
Steel, Alloy Steel, Steel, Brass, Titanium, Nylon, Plastic
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flat, Flanged Button
Phillips, Hex Socket, Socket, External Square, Slotted