Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M20x2.5, M6, M8, M10 x 1.50, M5x0.8
5 1/4", 3 1/2", 3 9/16", 50 mm, 45 mm
Stainless Steel, Steel, Alloy Steel, Steel, Titanium, Nylon, Plastic
Low-Profile Standard, Button, Ultra-Low-Profile Standard, Flat, Flanged Button
Hex Socket, Phillips, Socket, External Square, Slotted