Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
#8-32, 1/2"-13, #6-40, M10 x 1.50, #8-36
2 13/16", 30 mm, 2 1/2", 20 mm, 100 mm
Brass, Stainless Steel, Steel, Nylon, Plastic, Titanium
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flat, Flanged Button
Hex Socket, Phillips, External Square, Slotted, Socket