Product code: C-D7H12-N48
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This popular rare earth cylinder has a diameter of 7mm and a height of 12mm. It is an N48 grade rare earth magnet. It has a magnetic flux reading of 6814 Gauss and a pull force of 2.43kg. It is identified by the AMF magnet part number C-D7H12-N48.
Rare Earth cylinder magnets are commonly used across an extensive range of consumer, commercial and industrial applications. They are particularly ideal for providing powerful magnetic power within a less expanse of footprint than similar shapes of magnets like discs. This makes them incredibly well suited for embedding within other materials such as construction materials. Small magnets like these are used for any type of application where precision of alignment is a primary concern. The narrow magnetic field helps to guide and situate two corresponding parts into perfect registration.
Neodymium cylindrical magnets are most commonly magnetised through their height, or in other words, axially magnetised. Cylinders are very rarely diametrically magnetised except for very niche and unusual applications. The shape of a cylinder magnet creates a longer magnetic field that penetrates or extends further than the field produced by an equivalent diameter disc magnet.
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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
