Imperial, Metric, Coarse, Metric, Fine, Inch, Metric
M20x2.5, M8, M10 x 1.50, M1.6x0.35, M10x1.5
3 1/8", 20 mm, 2 7/8", 45 mm, 18 mm
Brass, Stainless Steel, Steel, Nylon, Plastic, Titanium
Ultra-Low-Profile Standard, Standard, Button, Flat, Flanged Button
Cross, Torx, Socket, External Square, Slotted