This ring magnet is dedicated to automatic cleaning machine, intelligent vacuum cleaner, intelligent sweepers, magnet material is injection molded ferrite, there are a variety of specifications, common such as 18x1.96x2.5mm, 18x2.25x3mm, 18x2.25x3, magnetization mode for single-sided multi-pole, choose more is the axial 8 pole, 16 pole, 24 pole, 32 pole, Available samples can be provided quickly, if you need, please send us an inquiry to tell your requirements.
The figure below shows the size diagram of a 24-pole injection molded ferrite ring magnet;
Whether it is single-sided multi-pole ring magnet or double-sided multi-pole ring magnet, we have more molds and spot specifications, you can probably find samples here.