Neodymium countersunk magnets, also known as a cup magnet or simply a round magnet with a hole, are made from the strongest magnets with a countersunk screw hole allowing the magnets to be mounted flush and securely fastened into place for a temporary or permanent fitting. Neodymium countersunk magnets can be used for any project, from mounting signs and pictures to toolboxes, doors, and cabinets.
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