Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
#6-40, M10 x 1.50, M2x0.4, 3/8"-24, #6-32
3 3/16", 2 7/8", 130 mm, 16 mm, 6 1/2"
Brass, Steel, Alloy Steel, Steel, Titanium, Nylon, Plastic
Ultra-Low-Profile Standard, Button, Standard, Flanged Standard, Flanged Button
Hex Socket, Hex, Socket, External Square, Slotted