Alnico button magnets are cylindrical horseshoe-type magnets. The north and south poles are on the same plane and are separated by a slot gap. Alnico Button magnets are supplied with a central fixing hole and the gap between the poles accepts a standard cheese head fixing screw. They are used suitable for attracting applications, light duty holding and reed switch operation. Alnico Button magnets are good for use on rough surface because of their deeper flux field due to the horseshoe design. Its Working temperature Rating is 550°C