Imperial, Metric, Coarse, Metric, Fine, Inch, Metric
#8-36, #2-56, #6-40, M10 x 1.50, M1.6x0.35
3 7/8", 8", 5 1/4", 3 1/2", 1 3/8"
Steel, Alloy Steel, Brass, Steel, Nylon, Plastic, Titanium
Button, Ultra-Low-Profile Standard, Flat, Flanged Standard, Flanged Button
Phillips, Hex Socket, Socket, External Square, Slotted