Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
1/2"-20, #6-40, M10 x 1.50, M1.6x0.35, #8-36
100 mm, 20 mm, 45 mm, 130 mm, 200 mm
Stainless Steel, Steel, Alloy Steel, Steel, Nylon, Plastic, Titanium
Button, Flat, Low-Profile Standard, Ultra-Low-Profile Standard, Flanged Button
Torx, Hex, Socket, External Square, Slotted