Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M20x2.5, M6, M10 x 1.50, M1.6x0.35, M2x0.4
5 1/4", 2 1/16", 3", 3 1/2", 1 9/16"
Aluminum, Brass, Nylon, Plastic, Titanium, Steel
Flanged Standard, Low-Profile Standard, Ultra-Low-Profile Standard, Flat, Flanged Button
Phillips, Hex, Socket, External Square, Slotted