Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M20x2.5, M2x0.4, M10 x 1.50, M10x1.5, M1.6x0.35
1 7/8", 2 7/8", 85 mm, 30 mm, 6 1/2"
Stainless Steel, Steel, Brass, Titanium, Nylon, Plastic
Flat, Low-Profile Standard, Ultra-Low-Profile Standard, Button, Flanged Button
Torx, Pozidriv, Socket, Slotted, External Square