Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M4x0.7, M24x3, M2x0.4, M20x2.5, M16x2
3 7/8", 200 mm, 6 1/2", 3/8", 8 mm
Stainless Steel, Steel, Brass, Nylon, Plastic, Titanium
Low-Profile Standard, Ultra-Low-Profile Standard, Button, Flanged Button, Flanged Standard
Hex, Hex Socket, Socket, External Square, Slotted