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Neodymium Block Magnet - 25mm x 3mm x 9mm | Axially magnetised through the 9mm

Product code: 22021

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Neodymium Block Magnet - 25mm x 3mm x 9mm | Axially magnetised through the 9mm

Rated 5.0 out of 5
Based on 1 review
Product Code 22021
Pull Force* 3.2 kg
Weight 5 gm
Style Neodymium Block magnet
Gauss 5763
Grade N38
Coating Nickel (NiCuNi)
Direction of Magnetisation Axially magnetised through the 9mm
Dimensions Width:3mm, Height:9mm, Length:25mm
*Measured against up to 10mm mild steel.
Neodymium Block Magnet - 25mm x 3mm x 9mm | Axially magnetised through the 9mm

Magnetic Product Description:

This rectangular rare earth magnet has a length of 25mm, a width of 3mm and a thickness of 9mm. It has a magnetic flux reading of f5763 and a pull force against 5mm steel of 3.2 kilos. It is identified by the AMF magnet part number 22021. It is magnetized through the 9mm thickness.

Uses for our Rare Earth block magnets:

This Neodymium Block has been axially magnetised in a non-standard configuration, with the North and South poles presenting through the thin 25mm x 3mm surfaces. In other words, the pole orientation is through the 9mm dimension rather than the 3mm as would be the standard alignment. This polarity direction has particular applications within the industrial and engineering sector, specifically energy generation projects. The protruding edge of this type of magnet allows for easy removal and replacement of the magnet by simply gripping the largest faces between the fingers. This can be especially useful for holding applications that are of a semi-permanent nature such as festive decorations, artworks, architectural drawings or signage.

average rating 5.0 out of 5
Based on 1 review
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100% of reviewers would recommend this product to a friend
1 Review
Reviewed by J
I recommend this product
Rated 5 out of 5
Review posted


Powerful little magnets. Be careful to not let magnet quickly snap to other magnets as they may snap.

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NB: Ranges are indicative for product category, please check individual products for specic values within that range.

The most common coating for Neodymium magnets is Nickel + Copper + Nickel (Ni + Cu + Ni). This coating offers the magnet relatively good protection from corrosion and passive applications. If the magnet will be exposed to moisture or liquid then consider the use of an organic coating such as Epoxy. A hard wearing coating, Epoxy is suited to applications where the magnet will come under some friction or knocking.

Magnets are readily available in Blocks, Discs, Cylinders & Rings. AMF Magnetics specializes in the supply of short-run prototype magnets including Arc Segments, various magnetic orientations etc. If you need a magnet size that we don't carry in stock, submit a Design-a-Magnet enquiry for a quote on your custom magnet design.

Neodymium magnets are offered in several different grades. The first section N30-54 has an operating temperature of up to 80 degrees. Most of our stock only goes up to N38. The second section, denoted with the "M" prefix after the grade has an operating temperature 100 degrees. After this the grades are "H", "SH", "UH" & "EH". In order for the magnet to withstand a higher operating temperature, during production more of the raw material PrNd is incorporated as these elements have a naturally occurring resistance to high temperatures.