Imperial, Metric, Fine, Metric, Coarse, Metric, Inch
M10x1.5, M20x2.5, 1/2"-20, M24x3, M10 x 1.50
3 3/16", 1 7/8", 90 mm, 100 mm, 60 mm
Stainless Steel, Steel, Steel, Alloy Steel, Nylon, Plastic, Titanium
Low-Profile Standard, Button, Ultra-Low-Profile Standard, Standard, Flanged Standard
Hex Socket, Pozidriv, Socket, External Square, Slotted