How do you magnetize a hammer head?
In order to magnetize the screwdriver, you need to quickly rub it against the magnet in one direction. You should rotate the screwdriver just a bit each time you rub it. This will help the iron atoms line up in the same direction, causing magnetism.
Similarly, you may ask, how do you magnetize?
Place the magnet at one end of the piece of metal. The magnet must make as much contact with the metal as possible.