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Neodymium Cylinder - 4mm x 20mm
Product code: 21051
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Magnetic Product Description:
This rare earth cylinder has a diameter of 4mm and a height of 20mm. It has a magnetic flux reading of 6269 Gauss and a pull force of 0.630kg. Its part number is 21051.
Uses for our rare earth cylinder magnets:
Cylinder shapes are easy to handle and their small pole surface at each end makes their magnetic bond easy to break, so they are easy to remove and replace on a metallic surface or work area. Although their field is narrow, the field they project is far-reaching and this makes them ideal for situations where accuracy is essential, such as metal detection and switch activation for industrial equipment and surveillance systems. Neodymium Cylinders are also found inside the motors of brushless power tools where they are arranged to create a highly efficient Halbach Array type field, that creates more power in one pole direction, while also greatly reducing the power-sapping effects of friction.
No FAQ available
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.
Magnetic Product Description:
This rare earth cylinder has a diameter of 4mm and a height of 20mm. It has a magnetic flux reading of 6269 Gauss and a pull force of 0.630kg. Its part number is 21051.
Uses for our rare earth cylinder magnets:
Cylinder shapes are easy to handle and their small pole surface at each end makes their magnetic bond easy to break, so they are easy to remove and replace on a metallic surface or work area. Although their field is narrow, the field they project is far-reaching and this makes them ideal for situations where accuracy is essential, such as metal detection and switch activation for industrial equipment and surveillance systems. Neodymium Cylinders are also found inside the motors of brushless power tools where they are arranged to create a highly efficient Halbach Array type field, that creates more power in one pole direction, while also greatly reducing the power-sapping effects of friction.
No FAQ available
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.
