N42 Neodymium Diametrically Magnetised Ring Magnet - 30mm O.D. x 10mm I.D. x 10mm thick

High-performance, diametrically magnetised neodymium (N42) ring magnet. These diametrically magnetised magnets have their north and south pole on opposite curved sides, cutting the flat surface in half.

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$21.02
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Technical Specification
Product Description
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Product Code:	F3010DM
Shape:	Circular
Circular Face:	30mm
Thickness:	10mm
Grade:	N42
Plating:	Ni-Cu-Ni ( Nickel )
Material:	NdFeB
Performance (Gauss):	4400

30mm diameter x 10mm thick
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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