Neodymium Ring Magnet 8 x 2 x 6 mm N35 Diametrically Magnetised
 
Neodymium (NdFeB) is among the strongest magnetic materials. The ring shape is practical because its central hole helps with mounting and alignment. It is much stronger than conventional ferrite magnets and generally has a protective coating because the material can corrode over time. N35 indicates the magnetic grade, commonly ranging from N35 to N52; higher numbers generally indicate greater magnetic attraction. diametrically magnetised ring: the poles are on the inner and outer surfaces, so the field direction differs from a conventional ring magnet magnetised through its thickness.
 
This size offers a strong ring magnet that remains manageable to handle and can be installed securely. (Ø8/Ø2×6 mm) The diametrically magnetised rings are often used in motors, generators, Hall sensor applications, magnetic couplings and shaft assemblies. Holding force depends strongly on the thickness and condition of the metal surface. It is greater on thick steel and weaker on thin sheet metal.
 
Warning: not suitable for children. Swallowed magnets can cause serious injuries. Seek urgent medical attention. Magnetic attraction is strong. Bring magnets together and separate them carefully to avoid pinching injuries and chipping. Keep them away from medical devices, cards and sensitive electronics.