Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M24x3, M10x1.5, M20x2.5, M2x0.4, #6-40
60 mm, 20 mm, 18 mm, 160 mm, 100 mm
Steel, Alloy Steel, Steel, Brass, Titanium, Nylon, Plastic
Standard, Ultra-Low-Profile Standard, Low-Profile Standard, Button, Flanged Button
Phillips, Hex, Socket, Slotted, External Square