Imperial, Metric, Fine, Metric, Coarse, Inch, Metric
M2.5x0.45, M6, M8, M10 x 1.50, 1/4"-20
3 1/2", 2 1/8", 4 1/4", 25 mm, 30 mm
Steel, Steel, Alloy Steel, Brass, Titanium, Nylon, Plastic
Button, Flat, Ultra-Low-Profile Standard, Standard, Flanged Button
Hex Socket, Hex, Socket, Slotted, External Square