Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M6, M10 x 1.50, 5/16"-18, 1/4"-20, M1.6x0.35
5/16", 3 3/16", 50 mm, 40 mm, 2 13/16"
Steel, Alloy Steel, Brass, Steel, Titanium, Nylon, Plastic
Flat, Ultra-Low-Profile Standard, Standard, Flanged Standard, Flanged Button
Hex, Torx, Socket, External Square, Slotted