20mm diameter super-strong neodymium ring magnets and great value ceramic ring magnets for a variety of applications.
All the ring magnets in this section have an outer diameter of 20mm (0.79") but each has a different inner diameter making them entirely different in their applications. Below, you can browse our ceramic 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.
