Buy neodymium pot magnet, welcome to contact courage magnet manufacturers, can be processed according to your drawings, you are now seeing this is a square countersunk hole pot magnet, length and width are 20mm, thickness 5mm, M3 hole, the magnet is wrapped by the steel shell, which can effectively protect the magnet, anti-collision, enhance the magnetic force, the disadvantage is that only one side (the bottom) has a magnetic force, to support high temperature resistance and other customization.
20x20x5mm Square Pot Magnet Backside Picture
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