Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
#6-40, M6, M10 x 1.50, M1.6x0.35, M2x0.4
5 1/4", 1 3/8", 2 7/8", 5/16", 18 mm
Brass, Stainless Steel, Steel, Nylon, Plastic, Titanium
Standard, Low-Profile Standard, Flat, Ultra-Low-Profile Standard, Flanged Standard
Hex Socket, Phillips, Socket, External Square, Slotted