Shaw Magnets Alnico Button Magnets
- Shaw Magnets ALB12, A 12.5mm diameter Button Magnet from Shaw Magnets, made from Alnico magnetic material. Alnico is an alloy of iron, ALuminium, NIckel & CObalt & has a high resistance to loss of magnetism. The magnet is supplied complete with a keeper which further helps to 'keep' the magnetism without gradual loss & to protect the magnetic surfaces. The central mounting hole provides an easy way of fastening the magnet to frames, supports, clamps etc., & even allow simple support of the magnet by means of a string or cord with a large knot in one end. Button magnet 12.5 x 9.5mm, 4.5mm hole