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Neodymium Block Magnet - 3.175mm x 3.175mm x 3.175mm | N52 | Gold Coating

Product code: B-W3.175H3.175L3.175-N52au

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Neodymium Block Magnet - 3.175mm x 3.175mm x 3.175mm | N52 | Gold Coating

Rated 4.0 out of 5
Based on 1 review
Product Code B-W3.175H3.175L3.175-N52au
Pull Force* 900 g
Weight 2 gm
Style Rare Earth Block
Gauss 6447
Grade N52
Coating Gold
Direction of Magnetisation Axial Through height
Dimensions Width:3.175mm, Height:3.175mm, Length:3.175mm
*Measured against up to 10mm mild steel.
Neodymium Block Magnet - 3.175mm x 3.175mm x 3.175mm | N52 | Gold Coating

Magnetic Product Description:

This neodymium magnetic block has a length of 3.175mm, width of 3.175mm and a height of 3.175mm. It has a magnetic flux reading of 6447 Gauss and a pull force of 0.9 kilos. It is identified by the AMF magnet part number B-W3.175H3.175L3.175-N52au

Uses for our rare earth block magnets:

Neodymium Block magnets are supplied by AMF in a wide range of sizes and various magnetic grades. Block shaped Neodymium magnets are used in apparatus used for metal filtration and removal, waste recycling, sound amplification and recording, medical magnetic resonance equipment, scientific research, electronic consumer goods and for point of sale advertising and display purposes. Two powerful Neodymium magnet bonding together allow an extremely strong adhesive force to be attained from smaller, lighter weight magnets. This, in turn, has lead to the development of smaller and lighter electronic products that perform more efficiently and in the improvement of commercial processes that are more reliable and more accurate.

These Gold coated cube-shaped magnets are compact in size and their gold exterior coating improves their conductive properties. That can be an important consideration when magnets are used in electronic devices. Hybrid and Electric cars use Neodymium magnets where their relatively small size and strong magnetic field combine to reduce weight and achieve higher energy efficiency targets. Overall vehicle performance is also optimised with the use of Neodymium magnetic technology.


average rating 4.0 out of 5
Based on 1 review
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100% of reviewers would recommend this product to a friend
1 Review
Reviewed by Pete K.
Verified Buyer
I recommend this product
Age Range
45 - 54
Use of product
Rated 4 out of 5
Review posted

Gold is magnetic

I ordered it and I got it, drawn to me like a magnet...

Rated 3 out of 5
Ease of Use
Rated 3 out of 5
Rated 3 out of 5
Rated 3 out of 5
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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.