Imperial, Metric, Coarse, Metric, Fine, Inch, Metric
#8-36, #6-40, M6, M10 x 1.50, M1.6x0.35
1 7/8", 22 mm, 40 mm, 130 mm, 18 mm
Steel, Alloy Steel, Brass, Steel, Nylon, Plastic, Titanium
Button, Flat, Ultra-Low-Profile Standard, Flanged Standard, Flanged Button
Hex, Phillips, Socket, External Square, Slotted