Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M10x1.25, M2x0.4, M2.5x0.45, M20x2.5, 7/16"-14
1 7/8", 100 mm, 3", 2 13/16", 18 mm
Brass, Steel, Alloy Steel, Steel, Nylon, Plastic, Titanium
Flat, Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flanged Button
Phillips, Hex Socket, Slotted, External Square, Socket