N42 Neodymium Diametrically Magnetised Disc Magnet - 5/16 in. dia x 1/32 in. thick

*Measurements have been rounded to the nearest fraction inch - please check the product description for specific measurements.*

High-performance, diametrically magnetised Neodymium (N42) disc 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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Technical Specification
Product Description
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Product Code:	F322DM
Shape:	Disc
Circular Face:	8mm dia
Thickness:	1mm
Grade:	N42
Plating:	Ni-Cu-Ni ( Nickel )
Material:	NdFeB
Performance (Gauss):	2200
Max Temp (degrees C):	80
Fixing:	Araldite/Loctite

8mm diameter x 1mm thick.
0.32 in. diameter x 0.04 in. thick.
0.32 in. diameter x 0.04 in. thick.
+/-0.1mm (0.0004 in.) tolerance.
Each magnet's north and south pole are on opposite curved sides.
Excellent resistance to demagnetisation.
Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth 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. They can also be used to produce a magnetic rack and pinion system by using a line of North and South in alternating polarities. It is also possible to use diametrically magnetised magnets for reed switch applications.

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