Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
7/16"-20, #8-36, #6-40, M10 x 1.50, M1.6x0.35
1 3/8", 100 mm, 3 7/8", 22 mm, 2 7/8"
Brass, Steel, Steel, Alloy Steel, Nylon, Plastic, Titanium
Low-Profile Standard, Button, Ultra-Low-Profile Standard, Flat, Flanged Button
Torx, Pozidriv, External Square, Slotted, Socket