Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M24x3, M20x2.5, #6-40, M10 x 1.50, 1/4"-20
3 1/2", 50 mm, 1 3/8", 130 mm, 6 1/2"
Stainless Steel, Steel, Steel, Alloy Steel, Nylon, Plastic, Titanium
Button, Low-Profile Standard, Ultra-Low-Profile Standard, Standard, Flanged Button
Hex, Phillips, Socket, External Square, Slotted