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20mm Diameter Ring Magnets

20mm diameter super-strong neodymium ring magnets and great value ferrite ring magnets for a variety of applications.
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  • 20mm O.D x 10mm I.D x 5mm thick Diametrically Magentised N42 Neodymium Magnet - 3.2kg Pull
  • 20mm dia x 20mm thick N42 Neodymium x 6mm hole Magnet - 15kg Pull
  • 20mm dia x 20mm thick Diametrically Magnetised N42 Neodymium Magnet

All the ring magnets in this section have an outer diameter of 20mm but each has a different inner diameter making them entirely different in their applications. Below, you can browse our ferrite ring magnets that are resistant to corrosion and high temperatures and offer great value, our super high-performance neodymium ring magnets and our deep cylindrical magnets with pre-drilled central holes.