Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M2.5x0.45, M4x0.7, #6-40, M10 x 1.50, M1.6x0.35
5 1/4", 3 9/16", 2 1/8", 45 mm, 6 1/2"
Steel, Alloy Steel, Brass, Nylon, Plastic, Titanium, Steel
Low-Profile Standard, Standard, Ultra-Low-Profile Standard, Flat, Flanged Button
Torx, Pozidriv, Slotted, External Square, Socket