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Product code: 20079
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This rare earth disc has a diameter of 6mm and a height of 1.5mm. The North pole is marked with a shallow dimple. It has a magnetic flux reading of 2818 Gauss and a pull force of 400g. It is identified by the AMFmagnet part number 20079.
This Gold Coated Neodymium Magnet is an appealing choice for Artists Hobbyists, Jewellers and Model Makers. Their small dimensions coupled with the gold coating make them a visually attractive alternative for hanging and displaying artwork, sculptures and handicrafts. The fixing point can either be disguised or incorporated in to the overall design of an object with these stylish little magnets.
This magnet comes with the handy addition of an indentation to identify the North magnetic pole on one surface. This mark can be particularly helpful for managing projects where two or more magnets need to be configured together in a North/South arrangement in order to attract together. The mark is also a convenient way to reveal the polarity of other unmarked magnets by repelling or attracting the dimple marked face.
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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