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Neodymium magnets: the super-strong ones
Neodymium magnets are also known as super magnets.
A well-deserved name indeed, as they have extraordinary strength even at their smallest size and are among the strongest permanent magnets in the world.
The magnetic material of our super-strong magnets is an alloy consisting of neodymium, iron and boron (NdFeB).
Neodymium magnets are used for a wide range of applications, from cabinetry, lighting systems, plastics technology and packaging materials to the construction of models.
We keep an inventory of over 40 million magnets and can fulfil even large orders directly from our warehouse at any time.
With our 20 years of experience, we are your specialist for neodymium magnets.
The advantages of neodymium magnets at a glance:
- Super-strong adhesive force
- Suitable for small spaces (miniaturisation)
- Even the smallest neodymium magnets are just as strong as larger common ferrite magnets
Suitable accessories for neodymium magnets
Screw-on metal discs & small metal plates
Counterparts to magnets
Counterparts to magnets
Self-adhesive metal discs
Are glued onto smooth surfaces
Are glued onto smooth surfaces
Ferrous strips & metal strips
Surfaces for smaller magnets
Surfaces for smaller magnets
Rubber caps & rubber discs
Skid and scratch protection for delicate surfaces
Skid and scratch protection for delicate surfaces
All surfaces for magnets
Suitable surfaces for neodymium magnets
Suitable surfaces for neodymium magnets
Neodymium super magnets: Strongest in the world
supermagnete is your partner for high-quality neodymium magnets and matching accessories. As a supermagnete customer, you benefit from- premium neodymium magnets.
- a variety of shapes and designs: Find the right magnet for your magnet project.
- large, available quantities: Our warehouse holds a total of 42 million magnets.
Many of you may be wondering: What makes a neodymium magnet a super magnet? What are the advantages of these neodymium magnets? We will show you why neodymium magnets are the strongest in the world and what makes them so special:
Compact design for every application
Even the smallest neodymium magnets possess strong adhesive forces. In addition, the magnetic material can be pressed into various shapes. In the supermagnete online shop, you will find the different shapes of neodymium magnets. With such a wide range of designs available, you are sure to find the right magnet for your magnet project. The smallest magnets are ideal for model making, where space is limited; the screw-on magnets are suitable for furniture manufacturing, and block and cube magnets are great for crafts or office use.
Unbeatable and consistent adhesive force
The neodymium-iron-boron compound is the strongest magnetic material available in the world. This material turns even the smallest magnets into super magnets, as neodymium magnets achieve remarkable forces even when small in size. Our smallest disc magnet, with a diameter of 1 mm, already has an adhesive force of approx. 31 g, whereas our strongest magnet in the assortment, the MONOLITH, boasts an incredible adhesive force of 200 kg.
Temperature-resistant and reliable
Neodymium magnets are generally temperature-resistant up to 80 °C. The adhesive force of the magnets remains constant up to this temperature. You can identify these magnets by their grade type N, such as N45, N50, etc. It makes these reliable neodymium magnets ideal for a wide range of applications. For industrial applications, however, we also offer heat-resistant neodymium magnets that can withstand temperatures of up to 150 °C.
Long service life thanks to coatings
Neodymium reacts with oxygen and oxidises very quickly if left untreated. That is why we only offer coated neodymium magnets in our supermagnete assortment. This protective layer protects the material, but is so thin that it does not affect the adhesive force of the neodymium magnets. The coating protects the magnet from corrosion and rust and makes it more resistant to external factors.What are the properties of neodymium magnets? The ins and outs of a super magnet
1 An alloy of neodymium, iron and boron (NdFeB)
The special compound NdFeB (neodymium-iron-boron) allows for a high adhesive force even at small dimensions. It is not without reason that neodymium magnets are also known as high-performance magnets. In contrast to NdFeB magnets, ferrite magnets are significantly weaker at the same volume. This is why neodymium magnets are also known as super magnets.2 A coating to protect the magnet
The NdFeB magnet is coated to protect the magnetic material. Many different coatings are available, each with its own advantages and disadvantages and suitable for different areas of application. The coating is only a few micrometres thick, so it does not affect the adhesive force of the magnet. Our customer service team will be happy to advise you on selecting the right coating for your specific application.We recommend purchasing super magnets if you need a small, lightweight magnet or a large, extra-strong one. In our online shop, you are sure to find the ideal magnet for your project: from mini magnets to ultra-strong neodymium magnets. For more information about the strongest magnets in the supermagnete assortment, please visit our FAQ page Which is the strongest magnet in your shop?.
What practical tools are available for a great shopping experience?
Discover suitable neodymium magnets with the magnet finder
Are you looking for neodymium magnets with specific characteristics? With the magnet finder, you can quickly find the right magnets. In the magnet finder, you will see all versions of the neodymium magnets listed on a single page. Various filter options are available so you can narrow down the large selection of magnets. This eliminates the tedious process of searching through individual product groups. Filter by desired adhesive force, size, shape, design, magnetisation, coating and many other options. With just a few clicks, you will find exactly the right magnets with the characteristics you want.Calculating the adhesive force of neodymium magnets with the adhesive force tool
With our practical adhesive force tool, you can perform adhesive force calculations for a variety of neodymium magnets free of charge. You can use it to easily determine the adhesive force of a magnet for your planned application.In the tool, first select whether you want to carry out a calculation for a magnet on an iron plate or for a magnet adhering to another magnet.
Next, you can select a neodymium magnet from our assortment (with the exception of cubes or blocks) and specify the distance between the magnet and the iron plate/other magnet.
What are some interesting facts to know about neodymium magnets?
Neodymium magnet facts
- The neodymium-iron-boron (NdFeB) alloy was developed in the early 1980s. It is used to manufacture neodymium magnets, which are still the strongest permanent magnets on the market today.
- Many neodymium magnets can be used at temperatures up to 80 degrees Celsius. If heated above this temperature, they lose their magnetic properties. In the supermagnete assortment, you will also find high-temperature block magnets. These neodymium magnets can withstand temperatures of up to 150 degrees Celsius.
- Because neodymium is a rare-earth metal, neodymium magnets are somewhat more expensive than conventional ferrite magnets. These super magnets are therefore also known as rare-earth magnets.
- Various factors influence the actual adhesive force: the nature of the counterpart, the distance between the magnet and the mounting surface, the environment, and the direction of the force. Neodymium magnets do not permanently lose their adhesive force – unless the magnet is demagnetised by heat or damage.
- Neodymium magnets are most commonly coated with nickel, as this material offers a good cost-performance ratio. However, we also carry magnets with coatings made of gold, silver, copper and other materials. You can find an overview of the available coatings in our FAQ on coating types.
- Compared to NdFeB magnets, ferrite magnets of the same volume are significantly weaker.
Tips for handling neodymium magnets
- The specified adhesive force is always measured at right angles to the surface. Because of the displacement force, neodymium magnets tolerate much less strain on a wall than they do on the ceiling. You can find further information on these topics on our FAQ page "What is the difference between adhesive force and displacement force/shear force?".
- The stronger a magnet, the greater the potential for injury. Even smaller neodymium magnets can cause injuries if handled carelessly. Therefore, familiarise yourself with the safety information for neodymium magnets before use to avoid dangers and injuries.
- Do not let neodymium magnets collide, otherwise the coating will come off or the magnets will shatter. This has nothing to do with inferior quality but is a typical characteristic of neodymium magnets. Learn more about it on our FAQ page "Why does the coating of my magnets chip?".
- Neodymium magnets are not intended for outdoor use as they will rust over time and lose their magnetisation. Outside, use ferrite magnets instead because they won’t rust. For more information go to our FAQ page "Can I use magnets outdoors as well?".
- You can use thin silicone discs to protect surfaces from being scratched by the magnets.
Questions about neodymium magnets
How long do neodymium magnets stay magnetic?
Under normal conditions, neodymium magnets remain magnetic almost indefinitely. However, some factors do cause neodymium magnets to lose their magnetic force. They include:- Heat
- Vibration
- Corrosion
- Other strong magnetic fields
Are there heat-resistant magnets?
Neodymium magnets are grouped into different temperature types. For instance, grade N magnets can withstand temperatures of up to 80 °C. You can find more information on this topic in the FAQs on magnet grade and temperature resistance.However, above 80 °C, neodymium magnets will permanently lose their magnetisation.
If you require magnets that tolerate higher temperatures than that, high-temperature magnets made of neodymium
are available.
These magnets can withstand temperatures of up to 150 °C and are popular in industrial applications, for example.
The only magnets suitable for even higher operating temperatures are ferrite magnets.
How do you attach neodymium magnets?
Neodymium magnets stick to metal surfaces, that much is clear. But what do you do if there is no such surface? We will show you three options.Option 1: Fasten them with screws
If the intended mounting surface is made of wood, for example, then screw-on neodymium magnets are an ideal solution.
Option 2: Glue them on
Utilise self-adhesive neodymium magnets or use UHU MAX REPAIR to glue conventional neodymium magnets to your intended mounting surface.
Utilise self-adhesive neodymium magnets or use UHU MAX REPAIR to glue conventional neodymium magnets to your intended mounting surface.
Option 3: Create a suitable surface
A suitable holding surface will allow magnets to adhere. In our supermagnete assortment, you will find various surfaces for magnets, including metal strips and iron sheets.
A suitable holding surface will allow magnets to adhere. In our supermagnete assortment, you will find various surfaces for magnets, including metal strips and iron sheets.
Are neodymium magnets suitable for outdoor use?
Neodymium magnets are not suitable for permanent outdoor use because they tend to rust over time. This reduces the magnetic performance, and the magnet loses its adhesive force. In this case, we recommend a ferrite magnet. This type of magnet is suitable for- outdoor applications.
- high temperatures above 80 °C.
Where are neodymium magnets used?
Among other things, neodymium magnets are suitable for the following sectors:In our FAQ section, we have gathered plenty of facts and figures pertaining to other commonly asked questions about neodymium magnets. You can, for example, find out what the designations N42, N45 or N52 mean. Or, learn more about the recommended safety distances between magnets and other objects. It's worth taking a look!
