Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M20x2.5, #6-40, M10 x 1.50, 3/8"-24, M1.6x0.35
30 mm, 3/16", 1 7/8", 2 13/16", 100 mm
Steel, Alloy Steel, Brass, Steel, Titanium, Nylon, Plastic
Low-Profile Standard, Ultra-Low-Profile Standard, Flanged Standard, Flat, Flanged Button
Hex Socket, Phillips, Socket, External Square, Slotted