Reviewed by Miner
I recommend this product
good product
used in a oil sump plug to collect worn iron particles. Very strong magnets
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Neodymium Cylinder Magnet - 6mm x 25mm
Product code: 21039
$6.79buy 10 to 99 itemsand
save 19%
$5.64buy 100+ itemsand
save 33%
Total
$8.42
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Neodymium Cylinder Magnet - 6mm x 25mm
Rated 5.0 out of 5
Product Code
21039
Pull Force*
1.5 kg
Weight
5 gm
Style
Rare Earth Cylinder magnet
Gauss
6255
Grade
N42
Coating
Nickel (NiCuNi)
Direction of Magnetisation
Axially magnetised
Dimensions
Height:25mm, Diameter:6mm
*Measured against up to 10mm mild steel.
Magnetic Product Description:
This neodymium cylinder magnet has a diameter of 6mm and a height of 25mm. It has a magnetic flux reading of 6255 Gauss and a pull force of 1.5kg. It is identified as part number 21039.
Uses for our rare earth cylinder magnets:
This N42 grade Neodymium cylinder is our longest cylindrical magnet with a 6mm diameter, lending it a particularly strong pull force. The more Neodymium material between the North and South Pole surfaces, the greater the magnetic force generated by the magnet. These Rare Earth Cylinders have deeply penetrative but narrow fields making them ideal for applications that require a strong magnetic bond with a limited surface area available. The elongated height dimension of this cylinder also produces a field that can pass through other surfaces to detect metallic objects that may not be visibly evident.
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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.
