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Neodymium Cylinder Magnet - 12mm x 20mm | N33AH I High Temp. 230°C

Product code: C-D12H20-N33AH

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Neodymium Cylinder Magnet - 12mm x 20mm | N33AH I High Temp. 230°C

Product Code C-D12H20-N33AH
Pull Force* 5.51 kg
Weight 80 gm
Style Neodymium Cylinder
Gauss 5794
Grade N33AH
Coating Nickel (Ni)
Direction of Magnetisation Axially (through height)
Dimensions Height:20mm, Diameter:12mm
*Measured against up to 10mm mild steel.
Neodymium Cylinder Magnet - 12mm x 20mm | N33AH I High Temp. 230°C

Magnetic Product Description:

This popular rare earth cylinder has a diameter of 12mm and a height of 20mm. It is an N33AH grade rare earth magnet. It has a magnetic flux reading of 5794 Gauss and a pull force of 5.31kg. It is identified by the AMF magnet part number C-D12H20-N33AH.

This magnet is N33AH grade allowing it to retain its strength in environments up to ≤230°C

Uses for our rare earth cylinder magnets:

Customers performing duties that require magnets to be continually removed and relocated usually find Neodymium Cylinder magnetic products from AMF the most suitable. The long, round and narrow dimensions of the cylinder shape make them easy to grasp, remove and relocate by hand. Magnetic whiteboards or metal surfaces in the office or classroom are examples of where this type of activity occurs. The tall cylindrical shape and relatively small round contact area mean the magnet can be tilted laterally to break the powerful bond more easily than either a typically lower height disc or block-shaped magnet. These rod-like magnets are ideal for holding paperwork such as notices, household bills, schedules, calendars and artwork on vertical metallic surfaces. As one of the rare earth magnetic materials, Neodymium has an incredibly strong magnetic hold that is both permanent and non-reliant on external power sources.

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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.