Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M20x2.5, M16x2, M4x0.7, M2.5x0.45, M10 x 1.50
5 1/4", 3 3/4", 2 1/8", 7 1/2", 18 mm
Brass, Steel, Stainless Steel, Titanium, Nylon, Plastic
Ultra-Low-Profile Standard, Low-Profile Standard, Standard, Flanged Standard, Flanged Button
Hex, Phillips, Socket, Slotted, External Square