12mm O.D x 6mm I.D x 25mm thick Diametrically Magnetised N42 Neodymium Magnet with 2mm Slot - 5.4kg Pull
High-performance, diametrically magnetised neodymium (N42) cylindrical rod magnet with central 2mm slot. These diametrically magnetised magnets have their north and south pole on opposite curved sides, cutting the flat surface in half.
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- 12mm diameter x 25mm thick with 2mm central slot.
- +/-0.1mm tolerance.
- Each magnet's north and south pole are on opposite curved sides.
- Excellent resistance to demagnetisation.
- Each magnet is coated with three layers of nickel, copper and nickel to improve corrosion resistance and provide a smooth and clean finish.
Unusually, diametrically magnetised magnets are not designed to hold the maximum possible weight for the size of the magnet but instead are used to provide rotational movement. A diametrically magnetised magnet is magnetised across its diameter so that the north pole in on one curved side and the south pole is on the opposite curved side. Diametrically magnetised magnets are used on the end of shafts to provide drive.
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