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Neodymium Disc - 20mm x 3mm

Product code: 20018

$5.52for 1 to 9 items
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Neodymium Disc - 20mm x 3mm

Rated 5.0 out of 5
Based on 12 reviews
Product Code 20018
Pull Force* 4.3 kg
Weight 7 gm
Style Rare Earth Disc magnet
Gauss 1810
Grade N42
Coating Nickel (NiCuNi)
Direction of Magnetisation Axially magnetised
Dimensions Height:3mm, Diameter:20mm
*Measured against up to 10mm mild steel.
Neodymium Disc - 20mm x 3mm

Neodymium Rare Earth Disc Magnet Product Description:

This powerful Neodymium Disc Magnet has a diameter of 20mm and a height of 3mm. For extended use and corrosion resistance, this Neo Disc has a Nickel Coating. Powerful Rare Earth magnets allow this disc for an extremely strong magnetic strength for its size. It has a magnetic flux reading of 1810 Gauss and a pull strength of 4.3kg. 


Uses for our Neodymium Rare Earth Magnetic Disc:

Versatile and convenient, these small-sized Neo Disc Magnets make them some of the most popular in our stock! Used in a diverse range of applications, this permanent magnet is an all-rounder. From engineering disciplines to at-home DIY, there is always a need for this compact, yet efficient magnet.
Our range of small magnetic discs is frequently used for lifting, holding and separation. Use this product to collect ferrous metal debris, for metal separation and for water conditioning.

average rating 5.0 out of 5
Based on 12 reviews
  • 5 Stars
    12 Reviews
  • 4 Stars
    0 Reviews
  • 3 Stars
    0 Reviews
  • 2 Stars
    0 Reviews
  • 1 Star
    0 Reviews
100% of reviewers would recommend this product to a friend
12 Reviews
Reviewed by Christopher S.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Speedy delivery, good product

Excellent

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Reviewed by Annie A.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Magnet clasp for clothing

Used for magnet brooches, these magnets are the perfect strength and versatility for use in my jewellery.

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Reviewed by Daniel S.
Verified Buyer
I recommend this product
Rated 5 out of 5
Review posted

Very strong

For the size of these magnets the provide an excellent connection to the counter sunk magnets

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Reviewed by Andrew C.
Verified Buyer
I recommend this product
Age Range
45 - 54
Gender
Male
Use of product
Home DIY
Rated 5 out of 5
Review posted

Small and strong

Great little magnets, perfect for holding a few things together knowing they're strong enough that things won't fall apart

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Quality
Rated 5 out of 5
Ease of Use
Rated 5 out of 5
Value
Rated 5 out of 5
Strength
Rated 5 out of 5
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Reviewed by Helwi T.
Verified Buyer
I recommend this product
Age Range
65+
Gender
Male
Use of product
Home DIY
Rated 5 out of 5
Review posted

Magnets for saw guides

Great product, very strong magnets exactly as per spec

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Quality
Rated 5 out of 5
Ease of Use
Rated 5 out of 5
Value
Rated 4 out of 5
Strength
Rated 5 out of 5
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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.