Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M20x2.5, M8x1, M10x1.25, M12x1.5, 5/8"-11
5 1/4", 3 3/4", 3 1/2", 50 mm, 3 3/16"
Stainless Steel, Steel, Alloy Steel, Brass, Nylon, Plastic, Titanium
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Button, Flanged Button
Hex Socket, Phillips, Socket, External Square, Slotted