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Neodymium Magnets

 (535 Products)

Neodymium magnets offer superior pull performance compared to materials with the same volume. Found within the rare-earth magnet family, these magnets have the highest magnetic properties of all permanent magnets and are available from our website in a range of different shapes and sizes. Filter by size, shape or even strength, and find the perfect magnet for your project.

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Pull Strength
20mm dia x 3mm thick x 3.6mm c/s hole N42 Neodymium Magnet - 4.5kg Pull
4.5
20mm dia x 3mm thick x 3.6mm c/s hole N42 Neodymium Magnet - 4.5kg PullCode: F406NS
From £6.00£5.00
20mm dia x 4mm thick x 5.2mm c/sink Neodymium Magnet - 6.7kg Pull
6.7
20mm dia x 4mm thick x 5.2mm c/sink Neodymium Magnet - 6.7kg PullCode: F315NS
From £7.20£6.00
20mm dia x 5mm thick N42 Neodymium Magnet - 7.3kg Pull
7.3
20mm dia x 5mm thick N42 Neodymium Magnet - 7.3kg PullCode: F205
From £12.71£10.59
20mm dia x 5mm thick x 5.2mm c/s Zinc Plated N42 Neodymium Magnet - 8.3kg Pull
8.3
20mm dia x 5mm thick x 5.2mm c/s Zinc Plated N42 Neodymium Magnet - 8.3kg PullCode: F205NS-ZN
From £7.13£5.94
20mm dia x 5mm thick x 6mm c/s N35H Neodymium Magnet - 7.1kg Pull
7.1
20mm dia x 5mm thick x 6mm c/s N35H Neodymium Magnet - 7.1kg PullCode: F205NS
From £7.85£6.54
20mm dia x 7mm thick N42 Neodymium Pot Magnet with M4 stud - 15.8kg Pull
15.8
20mm dia x 7mm thick N42 Neodymium Pot Magnet with M4 stud - 15.8kg PullCode: F4MC20
From £4.78£3.98
20mm dia x 7mm thick x 4mm c/sink N42 Neodymium Pot Magnet - 13.2kg Pull
13.2
20mm dia x 7mm thick x 4mm c/sink N42 Neodymium Pot Magnet - 13.2kg PullCode: F4MA20
From £4.78£3.98
20mm O.D x 10mm I.D x 5mm thick Diametrically Magentised N42 Neodymium Magnet - 3.2kg Pull
3.2
20mm O.D x 10mm I.D x 5mm thick Diametrically Magentised N42 Neodymium Magnet - 3.2kg PullCode: SP20105RR
From £9.02£7.52
20mm O.D. x 10mm I.D. x 8mm thick N42 Neodymium Cone Magnet - 6.4kg Pull
6.4
20mm O.D. x 10mm I.D. x 8mm thick N42 Neodymium Cone Magnet - 6.4kg PullCode: CN201008
From £8.16£6.80
20mm dia x 10mm thick N42 Neodymium Magnet - 11.5kg Pull
11.5
20mm dia x 10mm thick N42 Neodymium Magnet - 11.5kg PullCode: F646
From £5.52£4.60
20mm dia x 10mm thick Ultra High Performance N52 Neodymium Magnet - 14.6kg Pull
14.6
20mm dia x 10mm thick Ultra High Performance N52 Neodymium Magnet - 14.6kg PullCode: F646-N52
From £6.82£5.68
20mm dia x 10mm thick x 5.2mm c/sink Neodymium Magnet - 11kg Pull
11
20mm dia x 10mm thick x 5.2mm c/sink Neodymium Magnet - 11kg PullCode: F314NS
From £6.82£5.68
20mm O.R x 12.5mm I.R x 90 degree x 5mm thick N42 Neodymium Arc Magnet - 5kg Pull
5
20mm O.R x 12.5mm I.R x 90 degree x 5mm thick N42 Neodymium Arc Magnet - 5kg PullCode: ARC4025
From £14.40£12.00
20mm dia x 14mm tall x M4 thread N42 Neodymium Pot Magnet - 18.3kg Pull
18.3
20mm dia x 15mm tall x M4 thread N42 Neodymium Pot Magnet - 18.3kg PullCode: F4MH20
From £4.51£3.76
20mm White or Black Painted Neodymium Hook Magnet with M4 Hook - 16.5kg Pull
16.5
20mm White or Black Painted Neodymium Hook Magnet with M4 Hook - 16.5kg PullCode: F4ME20NH
From £5.03£4.19
20mm dia Neodymium Clamping Magnet with M4 Hook or Eyebolt - 16.5kg Pull
16.5
20mm dia Neodymium Clamping Magnet with M4 Hook or Eyebolt - 16.5kg PullCode: F4ME20M4
From £4.78£3.98
20mm dia x 20mm thick Diametrically Magnetised N42 Neodymium Magnet - 8kg Pull
8
20mm dia x 20mm thick Diametrically Magnetised N42 Neodymium Magnet - 8kg PullCode: F679
From £14.26£11.89
20mm dia x 20mm thick N42 Neodymium x 6mm hole Magnet - 14.4kg Pull
14.4
20mm dia x 20mm thick N42 Neodymium x 6mm hole Magnet - 14.4kg PullCode: F679AM
From £14.26£11.89
20.63mm dia x 12.7mm thick N42 Neodymium Magnet - 12.91kg Pull - Licensed Material
12.91
20.63mm dia x 12.7mm thick N42 Neodymium Magnet - 12.91kg Pull - Licensed MaterialCode: ND2113-LMI
From £6.46£5.38
21mm dia x 3.5mm thick PTFE Coated N42 Neodymium Magnet - 1kg Pull
1
21mm dia x 3.5mm thick PTFE Coated N42 Neodymium Magnet - 1kg PullCode: F220
From £11.68£9.73
21.5mm dia x 6.1mm thick Rubber Coated N42 Neodymium Magnet - 6.2kg Pull
Sale
6.2
21.5mm dia x 6.1mm thick Rubber Coated N42 Neodymium Magnet - 6.2kg PullCode: F205R
From £4.79£3.99
  £9.42£7.85
21.5mm dia x 11.4mm thick Rubber Coated N42 Neodymium Magnet - 6.9kg Pull
6.9
21.5mm dia x 11.4mm thick Rubber Coated N42 Neodymium Magnet - 6.9kg PullCode: F646R
From £5.76£4.80
22mm dia x 6mm high Rubber Coated POS Magnet c/w M4 Boss Thread - 5kg Pull
5
22mm dia x 6mm high Rubber Coated POS Magnet c/w M4 Boss Thread - 5kg PullCode: NPL22M406-BKW
£6.00£5.00
22mm dia x 6mm thick Rubber Coated POS Magnet c/w M4 x 10mm External Thread
4
22mm dia x 6mm thick Rubber Coated POS Magnet c/w M4 x 10mm External ThreadCode: NPLE22M406-BKW
£4.94£4.12
535 Products

Neodymium Magnets

What are Neodymium Magnets?

Often referred to as “super magnets”, Neodymium Magnets are the most powerful permanent magnets in our range. Constructed from an alloy of neodymium, iron and boron, these rare-earth magnets are high-performance and strong, only losing their magnetism when heated to a temperature which exceeds the maximum operating temperature rating or their protective plating is damaged and water ingress causes rusting.

What are Neodymium Magnets?

Often referred to as “super magnets”, neodymium Magnets are the most powerful permanent magnets in our range. Constructed from an alloy of Neodymium, iron and boron, these rare-earth magnets are high-performance and strong, only losing their magnetism when heated to a temperature which exceeds the maximum operating temperature rating or their protective plating is damaged and water ingress causes rusting.

How to Choose the Right Neodymium Magnet

Neodymium magnets are the strongest permanent magnets available, making them ideal for everything from lightweight craft projects to demanding industrial applications. At FIRST4MAGNETS®, our range includes disc magnetsrectangular magnetscountersunk magnetsring magnets and specialist N52 grade neodymium magnets.

When choosing the right neodymium magnet, focus on these four key factors:

1. Choose the Right Grade

The magnet grade tells you how strong the material is. Common grades include N35, N42 and N52. In general, the higher the grade, the stronger the magnet for its size. If you need maximum performance in a compact space, browse our N52 neodymium magnets.

2. Choose the Best Shape for the Job

Disc magnets – ideal for crafts, closures, displays and compact fixing points
Rectangular magnets – suited to industrial holding, furniture applications and engineering projects
Countersunk magnets – designed for screw fixing where a secure permanent mount is needed
Ring magnets – commonly used in motors, sensors, shafts and electronics

    3. Check Pull Force

    Pull force shows the maximum holding force of a magnet under ideal conditions against a flat steel surface. If you need a stronger hold, consider moving up in size, thickness or grade. Our strongest magnets 20kg+ pull and upwards can be found here.

    4. Consider Temperature and Environment

    Most standard neodymium magnets are rated for operating temperatures up to around 80°C. For specialist applications involving motors, electronics or precision assemblies, it is also worth considering radially magnetised magnets or alternative magnet materials where appropriate.

    Need a quick starting point? Shop our most popular disc magnetsrectangular magnetscountersunk magnets and N52 magnets.

    Neodymium Magnet Grade Comparison: N35 vs N42 vs N52

    Looking for the difference between N35, N42 and N52 magnets? The table below gives a quick comparison to help you choose the right strength, budget and application.

    GradeTypical Strength LevelPull ForceTemperature RatingPrice RangeBest Use Cases
    N35Standard neodymium strengthLower than N42 and N52 for the same sizeUp to 80°CFrom £0.04/unit*Crafts, packaging, lightweight closures, model making
    N42High strengthStrong everyday performanceUp to 80°CFrom £0.05/unit*General engineering, signage, furniture, displays, workshop use
    N52Ultra high performanceHighest pull force for the same sizeUp to 80°CFrom £0.35/unit*Industrial holding, compact assemblies, high-performance engineering, specialist applications

    *Unit prices based on bulk orders. Final pricing depends on size and quantity.

    Quick guide:

    Choose N35 when you want a cost-effective magnet for lighter-duty jobs.
    Choose N42 for a strong all-round option across DIY, workshop and commercial use.
    Choose N52 when you need maximum magnetic strength in the smallest possible space.

      Browse our full range of super strong neodymium magnets, or shop by shape with disc magnetsrectangular magnets and ring magnets. For more details on grades of neodymium, visit our information page here.

      Neodymium Magnet Applications

      Neodymium Magnets for Craft & DIY

      Neodymium magnets are a popular choice for craft and DIY projects because they deliver a strong hold in a small, discreet size. They are ideal for model making, paper crafts, hidden closures, gift boxes, display boards, signage and home organisation.

      Small disc magnets are especially useful where you need a neat finish, while magnetic tape and strips can work well for lightweight displays and creative applications. You can also explore our Craft & Model Making magnets range for project-specific options.

      Neodymium Magnets for Industrial Use

      In industrial and workshop environments, neodymium magnets are used for holding, fixing, positioning, mounting and retrieval tasks. Their high strength-to-size ratio makes them well suited to jigs, fixtures, production lines, access panels, door catches and fabrication work.

      For mounted applications, browse our neodymium countersunk magnets. For stronger mounted holding and clamping, view our pot and clamping magnets. If you need compact high-strength rectangular options, shop rectangular neodymium magnets.

      Neodymium Magnets for Sensors & Electronics

      Neodymium magnets are widely used in sensors, reed switch assemblies, motors, speakers, encoders and other electronic components where strong magnetic performance is needed in a compact form.

      Ring magnets are often used in rotating systems and electronic assemblies, while radially magnetised magnets can be a useful choice for more specialist technical applications. For compact high-performance options, you can also browse our N52 magnets.


      Frequently Asked Questions

      What are neodymium magnets made of?

      Neodymium magnets are made from an alloy of neodymium, iron, and boron (NdFeB). This combination creates an extremely strong magnetic field compared to other magnet types. They are typically coated with materials such as nickel, zinc, or epoxy to help protect against corrosion and wear. Our neodymium magnets are triple coated with Nickel, Copper, Nickel, and we have a range of zinc plated and epoxy coated Neodymium magnets available too.

      What is the strongest Neodymium magnet grade?

      Whilst N55 and N58 grades do exist, the strongest commonly available neodymium magnet grade is N52, which offers the highest magnetic strength among standard grades. Higher grades provide greater pull force in a smaller size, making them ideal for demanding applications such as engineering, manufacturing, and high-performance assemblies. If you need maximum strength, browse our range of high-strength N52 Neodymium magnets.

      Are Neodymium magnets dangerous?

      Neodymium magnets can be dangerous if not handled correctly because of their strong magnetic force. Larger magnets can snap together suddenly, potentially causing injury or damaging surfaces. They can also interfere with electronic devices and should be kept away from medical implants such as pacemakers. It is important to follow proper handling guidelines when using strong neodymium magnets, especially in industrial or workshop environments. These guidelines are included as standard with every magnet sold.

      What is the difference between N35 and N52 Neodymium magnets?

      The main difference between N35 and N52 neodymium magnets is their magnetic strength. N52 magnets are significantly stronger than N35 magnets of the same size, offering higher pull force and performance. N35 magnets are often used for general-purpose applications, while N52 magnets are better suited for situations where maximum strength is required. You can compare different options in our neodymium magnet range here to find the best fit for your application.

      How long do Neodymium magnets last?

      Neodymium magnets can last for many years without losing their strength if they are used and stored correctly. In normal conditions, they typically lose less than 1% of their magnetism over a decade. Their lifespan can be affected by factors such as heat, corrosion, and physical damage, so choosing the right coating and grade is important. Our neodymium magnets are designed for long-term performance across a wide range of applications.

      Can neodymium magnets lose their magnetism?

      Yes, neodymium magnets can lose their magnetism under certain conditions, such as exposure to high temperatures, strong opposing magnetic fields, or physical damage. However, under normal operating conditions, they retain their strength extremely well over time. Selecting the correct grade and using appropriate protection helps maintain performance, which is why it is important to choose from a reliable range of quality neodymium magnets.