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Alnico Cylinder, Rod and Cow Magnets

AMF Magnetics Supply Alnico Cylinder Magnet, Alnico Rod Magnets and Alnico Cow Magnets. Alnico Cylinder and Rod magnets are used for seals, sensors, coin collection machines and most famously, in guitar pickups. Amplifiers, actuators and motor applications have also used Alnico magnets due to their impressive flux density.

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Alnico Cylinder, Rod and Cow Magnets

Cow Magnets are used by dairy farmers and veterinarians to help prevent Hardware Disease. Hardware Disease is caused by cow’s grazing and ingesting stray metal particles such as nails, staples and tramp iron. Cow Magnets work by attracting these metallic objects in their stomachs before damage occurs.

Alnico magnetic alloys are resistant to corrosion and can withstand high temperatures. Their magnetic field is sensitive to demagnitisation. Alnico alloys aren’t as strong as permanent magnets like Rare Earth Magnets & Ceramic Magnets. However, their mechanical strength is greater. All our Alnico Cylinder, Rod and Cow Magnets are C5 grade.

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The Pull Force listed for each magnet is based on lifting 10mm thick steel from a horizontal surface. Magnets on a vertical surface (of 10mm thick steel) are generally able to hold around only 30% of the pull force listed in the product description. This is due to the effects of gravity and the lack of friction between the surface and the shiny magnet. Read More