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Neodymium Block Magnet - 70mm x 70mm x 12.7mm

Product code: 22001B

$212.75for 1 to 9 items
$163.01buy 10 to 99 itemsand save 23%
$129.50buy 100+ itemsand save 39%

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Neodymium Block Magnet - 70mm x 70mm x 12.7mm

Rated 5.0 out of 5
Based on 1 review
Product Code 22001B
Pull Force* 63.5 kg
Weight 461 gm
Style Neodymium square Block magnet
Gauss 1954
Grade N38
Coating Nickel (NiCuNi)
Direction of Magnetisation Magnetised through the 12.7mm height/thickness
Dimensions Width:70mm, Height:12.7mm, Length:70mm
*Measured against up to 10mm mild steel.
Neodymium Block Magnet - 70mm x 70mm x 12.7mm

Magnetic Product Description:

This block magnet is 70mm square with a height of 12.7mm or the old imperial equivalent of half an inch. It is classified under the AMF magnet part number 22001B and has a pull force of 63.5kg against 5 mm mild steel. This magnet has a magnetic flux of 1954.

Uses for our rare earth block magnets:

These bold, nickel coated, square neodymium blocks are often used in manufacturing situations for attracting, capturing, removing and storing ferrous material (metal scraps) which often presents a health hazard or a threat to sensitive processing machinery.

One example of this is the decontamination of bulk quantities of loose foodstuffs like grains, pulses and powders during processing. These goods, which are unaffected by magnetic force, are conveyed past magnetic blocks like these as a screening protocol. This simple, non-contact method rids and purifies these valuable foodstuffs of ferrous material like nails, screws, washers, flakes of rust and the like. Scraps of metal can turn up in the most surprising and alarming places, largely because of the indestructible nature of metals.

From paddock to plate, most foodstuffs are grown, harvested, transported and processed using steel machines and vessels made of metal. Protocols for screening out metal fragments are imposed at reasonable intervals in the production chain as an act of due diligence.

Metal fragments are long lasting and must not be allowed to enter human or other animal bodies. Metal fragments are sharp and strong, easily able to damage or destroy specialised processing machines which can mean shutting down production lines and necessitating mechanical or electrical repairs.

These neodymium block magnets, the strongest type of permanent magnets commercially available, need to be treated with caution. Able to lift thousands of times their own weight, they can strike at each other with enough force to create flying chips that can cause injury or jump toward ferrous materials they attract to.

Ideal for metal separation, industrial, construction, mining and commercial applications where a square shaped magnet is needed. The half-inch thickness is also ideal where an imperial thickness is required.

average rating 5.0 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 Phill L.
I recommend this product
Rated 5 out of 5
Review posted

Strong Magnets

I cut sheet metal for my BBQ roof and other areas, I am the kind of guy who does not use PPE and I end up with metal filings in my face arms and legs, the strong magnets are excellent for removing them

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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.