Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M20x2.5, #2-56, M10 x 1.50, M2x0.4, M1.6x0.35
50 mm, 18 mm, 2 7/8", 20 mm, 100 mm
Aluminum, Brass, Steel, Alloy Steel, Nylon, Plastic, Titanium
Ultra-Low-Profile Standard, Button, Standard, Flanged Button, Flat
Hex Socket, Phillips, Socket, Slotted, External Square