Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M24x3, M20x2.5, #6-32, M10 x 1.50, M4x0.7
1 3/8", 5/16", 22 mm, 100 mm, 18 mm
Brass, Stainless Steel, Steel, Alloy Steel, Steel, Nylon, Plastic
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Button, Flanged Button
Hex, Phillips, Socket, External Square, Slotted