Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M2x0.4, M2.5x0.45, 7/16"-14, 1/2"-13, #6-32
5 1/4", 2 1/8", 45 mm, 55 mm, 22 mm
Stainless Steel, Brass, Steel, Titanium, Nylon, Plastic
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flanged Button, Flanged Standard
Phillips, Hex, Socket, Slotted, External Square