Square Magnet with Hole

A square magnet with a hole is a magnet that has a square shape and has a hole in the middle of the magnet. The hole allows the magnet to be easily fastened to surfaces or objects using screws or bolts. The magnet's magnetic field still extends through the hole, making it useful for applications such as attaching objects to metal surfaces or for use in magnetic assemblies. The magnet can be made from a variety of materials such as ferrite, neodymium, or samarium-cobalt.

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