Extremely strong magnets
Perfect, as per description
Product code: D-D12H3-N52
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This neodymium magnetic disc has a diameter of 12mm and a height of 3mm. It has a magnetic flux reading of 3306 Gauss and a pull force of 2.98 kilos. It is identified by the AMF magnet part number D-D12H3-N52.
Tradespeople use strong, Rare Earth disc magnets in work vehicles or toolboxes to support tools, nails, screws and other metallic items used while performing their daily duties. A magnet attached to a toolbelt makes the metal components they need easy to reach, especially in enclosed or difficult to access work areas. Plastic screens or sheets can be held in place temporarily on steel surfaces with small and powerful magnets, so other surfaces are covered and not damaged while the repairs or maintenance takes place. N52 Grade Neodymium is found inside the nickel coating of this disc and is the strongest of all grades. High-grade Neodymium material means extremely strong magnetic hold can be extracted from magnets that are relatively small in size which makes this type of magnet ideal for crafts, model making and arts.
Perfect, as per description
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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