Reviewed by Michael R.
Verified Buyer
I recommend this product
Strong
Strong magnets, however our wood was warped, so we couldn't use them for this job - maybe another in the future.
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Neodymium Block Magnet - 40mm x 10mm x 4mm | Countersunk Hole 4mm-8mm
Product code: 22008
$10.21buy 10 to 99 itemsand
save 15%
$8.67buy 100+ itemsand
save 28%
Total
$12.13
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Neodymium Block Magnet - 40mm x 10mm x 4mm | Countersunk Hole 4mm-8mm
Rated 4.6 out of 5
Product Code
22008
Pull Force*
3.5 kg approx.
Weight
10 gm
Style
Rare earth Block with 4-8mm Countersunk hole
Grade
N38
Coating
NiCuNi (Nickel)
Direction of Magnetisation
Axially magnetised
Dimensions
Width:10mm, Height:4mm, Length:40mm
*Measured against up to 10mm mild steel.
Magnetic Product Description:
This Neodymium Rare Earth Block Magnet has a length of 40mm, a width of 10mm and a thickness of 4mm. It has the AMF magnet part number 22008. It has a centred 4mm countersunk hole with an 8mm head width. Neodymium magnetic material is super strong, providing for a powerful magnetic strength. This strong Neodymium Magnetic block has a pull force of 3.5KG, which is impressive considering its weight of 10gm.
Uses for our Rare Earth Bar Magnets with Countersunk Hole:
Rare Earth Magnetic Block is popular as an industrial magnet due to its strength and the versatility that the convenient countersunk hole provides. This countersunk block magnet is ideal for fastening and securing where maximum strength from a magnet of minimum size is required. This Bar Magnet is popular with carpenters, sheet metal fabricators, aluminium and glazing suppliers and fixture supply outlets. It is also a great general purpose magnet.
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.
