Product code: D-D9H2-N50
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This neodymium magnetic disc has a diameter of 9mm and a height of 2mm. It has a magnetic flux reading of 2944 Gauss and a pull force of 1.22 kilos. It is identified by the AMF magnet part number D-D9H2-N50.
Small Neodymium disc magnets can be adhered with glue to a non-metallic item so it can then attach to a metal surface. Two magnets arranged with opposing poles can adhere to two non-metallic surfaces i.e. timber, and then bond together magnetically. This type of bond is useful to model makers, hobbyists and people producing home-based products. Magnetic bond and attachment is fast to implement and easy to disengage when no longer needed.
Magnetic hold is permanent in nature and uses no mechanical parts that can fail over time. It conveniently attaches without penetrating or damaging the surfaces it is applied to. Neodymium magnetic material provides powerful strength magnetic hold from a relatively small magnetic product. This makes them a necessity for industries that develop cutting edge technologies, such as motor vehicle manufacturers where weight reduction is crucial to product performance.
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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.
The Pull Force listed for each magnet is based on lifting 10mm thick steel from a horizontal surface. Magnets on a vertical surface (of 10mm thick steel) are generally able to hold around only 30% of the pull force listed in the product description. This is due to the effects of gravity and the lack of friction between the surface and the shiny magnet. Read More
