Imperial, Metric, Metric, Fine, Metric, Coarse, Inch
M24x3, M20x2.5, 1/2"-13, #6-40, M10 x 1.50
5 1/4", 3 9/16", 3 1/8", 45 mm, 8 mm
Stainless Steel, Brass, Steel, Alloy Steel, Nylon, Plastic, Titanium
Low-Profile Standard, Ultra-Low-Profile Standard, Button, Standard, Flanged Button
Hex, Hex Socket, External Square, Socket, Slotted