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Product code: 21055
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This Rare Earth cylinder has a diameter of 4mm and a height of 5mm. It has a magnetic flux reading of 5849 Gauss and a pull force of 0.540 kg. This magnet is identified by AMF Magnetics part number 21055.
This delicate Neodymium Cylinder magnet is every cabinet maker’s dream. It is the perfect size and strength for embedding high-end wooden furniture as an elegant latch solution for doors, drawers and cabinets. Cylinder shaped magnets are perfectly suited for recessing into surfaces where their strong and narrow magnetic field can attract and hold the corresponding pieces with precision. Unlike other magnet shapes like Discs or Block, the narrow projection of a cylinder's magnetic field means there is less stray field and less chance of interference to sensitive areas nearby.
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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