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Neodymium Cylinder Magnet - 4mm x 6mm | N45

Product code: C-D4H6-N45

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Neodymium Cylinder Magnet - 4mm x 6mm | N45

Product Code C-D4H6-N45
Pull Force* 639 gm
Weight 3 gm
Style Neodymium Cylinder
Gauss 6465
Grade N45
Coating Nickel (Ni)
Direction of Magnetisation Axially
Dimensions Height:6mm, Diameter:4mm
*Measured against up to 10mm mild steel.
Neodymium Cylinder Magnet - 4mm x 6mm | N45

Magnetic Product Description:

This popular rare earth cylinder has a diameter of 4mm and a height of 6mm. It is an N45 grade rare earth magnet. It has a magnetic flux reading of 6465 Gauss and a pull force of 0.639kg. It is identified by the AMF magnet part number C-D4H6-N45.

Uses for our rare earth cylinder magnets:

The magnetic field produced by a Neodymium Cylinder shaped magnet is narrower and stronger than a thinner disc-shaped magnet. This makes cylinder magnets ideal for penetrating and locating metal screws and nails inside drywalls and revealing the position of the timber studs inside. For this reason, they are often a key component of commercially made stud finders and other magnetic tools of a similar nature.

Tiny round cylinder magnets such as these are very adaptable and lend themselves to a large array of applications. Rod-shaped magnets make a good choice for handcrafted items such as delicate woodwork or ceramics as they provide a reliable hold with minimal visual impact. The small diameter of the cylindrical shape enables them to be recessed into a 4mm drill hole with ease.

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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.