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Alnico Magnets

Alnico (AlNiCo) magnets are most commonly known for their red colour and bar and horseshoe shapes. Our range of horseshoe, button and pot magnets are used within many engineering and manufacturing industries due to their strength, operating temperature and corrosion resistance properties. 

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  • Medium Red Alnico Horseshoe Magnet - 9kg Pull (40 x 25 x 25mm)
  • Large Red Alnico Horseshoe Magnet - 11kg Pull (30 x 45 x 30mm)
  • Extra Large Red Alnico Horseshoe Magnet - 23kg Pull (57 x 35 x 40.5)
  • Red Alnico Horseshoe Magnet - 47kg Pull (54 x 83 x 70mm)
  • Red Alnico Horseshoe Magnet - 37kg Pull (70 x 41 x 57mm)
  • 12.5mm dia x 9.5mm thick Alnico Button Magnet c/w 5mm dia central hole - 0.7kg Pull
  • 19mm dia x 12.7mm thick Alnico Button Magnet c/w 5mm dia central hole - 1.8kg Pull
  • 25.4mm dia x 16mm thick Alnico Button Magnet c/w 5mm dia central hole - 3.2kg Pull
  • 32mm dia x 25.4mm thick Alnico Button Magnet c/w 5mm dia central hole - 4.8kg Pull
  • 19mm dia x 7.5mm thick Alnico Shallow Pot Magnet c/w 5.2mm dia countersunk hole - 3kg Pull
  • 29mm dia x 9mm thick Alnico Shallow Pot Magnet c/w 5.2mm dia countersunk hole - 5kg Pull
  • 38mm dia x 10mm thick Alnico Shallow Pot Magnet c/w 5.2mm dia countersunk hole - 13kg Pull
  • 9.5mm dia x 15mm thick Alnico 5 Deep Pot Magnet c/w M3 threaded hole - 1kg Pull
  • 12.7mm dia x 16mm thick Alnico 5 Deep Pot Magnet c/w M3 threaded hole - 1.5kg Pull
  • 17mm dia x 16mm thick Alnico 5 Deep Pot Magnet c/w M6 threaded hole - 2.5kg Pull
  • 20.5mm dia x 19mm thick Alnico 5 Deep Pot Magnet c/w M6 threaded hole - 4kg Pull
  • 27mm dia x 25mm thick Alnico 5 Deep Pot Magnet c/w M6 threaded hole - 6kg Pull
  • 35mm dia x 30mm thick Alnico 5 Deep Pot Magnet c/w M6 threaded hole - 14kg Pull
  • Small Red Alnico Horseshoe Magnet - 4.5kg Pull (30 x 20 x 20mm 4.5mm hole)

Introduced in the 1930s, Alnico magnets were the first permanent magnets to be mass produced and very quickly surpassed steel-based ‘soft’ magnets due to their vastly superior performance. The composite elements of Alnico magnets are aluminium (Al), nickel (Ni) and cobalt (Co), hence where the term Alnico comes from, however they contain other elements including but not limited to iron, copper and titanium.

Alnico magnets have the widest spectrum of strengths of any permanent magnetic material. It is possible that the Alnico grades with the best magnetic performance in the right application can match the performance of neodymium magnets.

Cast Alnico magnets have better magnetic properties and produce stronger magnetic fields than sintered Alnico magnet, however sintered Alnico magnets have greater mechanical strength and provide a more uniform magnetic field.  We can also supply isotropic Alnico magnets, which can be re-magnetised in any direction. While isotropic magnets are weaker in magnetic performance, and therefore are less commonly used, they offer more flexibility in terms of design.

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