Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
5/8"-11, M20x2.5, M10 x 1.50, M1.6x0.35, 1/4"-20
5 1/4", 2 1/8", 22 mm, 3 11/16", 85 mm
Steel, Alloy Steel, Steel, Brass, Nylon, Plastic, Titanium
Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flat, Flanged Button
Phillips, Hex, Socket, External Square, Slotted