Skip to content
Ex vat
Inc vat
THE UK LEADING Magnet Supplier
LARGEST RANGE OF MAGNETS In the UK and Europe
NEXT DAY DELIVERY Available to the UK
7,500+ REVIEWS 99% Recommended
Basket
Basket Oh No! Your basket is empty
Contact Us

Please fill out the following form to contact us:

Circular Ring

 (35 Products)

At FIRST4MAGNETS®, we offer a diverse range of circular ring magnets for industrial, educational, and therapeutic applications. From small precision neodymium rings to large ferrite magnets, find the right magnet for your needs.

Pull Strength
6mm O.D x 3mm I.D x 1mm thick Diametrically Magnetised N42 Neodymium Magnet
6mm O.D x 3mm I.D x 1mm thick Diametrically Magnetised N42 Neodymium MagnetCode: SP631DM
From £3.89£3.24
8mm O.D. x 4mm I.D. x 3mm thick Y10 Ferrite Magnets - 0.048kg Pull
0.048
8mm O.D. x 4mm I.D. x 3mm thick Y10 Ferrite Magnets - 0.048kg PullCode: FR080403
From £2.52£2.10
11.7mm O.D. x 7.9mm I.D. x 3mm thick Y10 Ferrite Magnets - 0.076kg Pull
0.076
11.7mm O.D. x 7.9mm I.D. x 3mm thick Y10 Ferrite Magnets - 0.076kg PullCode: FR110803
From £2.77£2.31
12mm O.D. x 2mm I.D. x 6mm thick Y10 Ferrite Magnets - 0.1kg Pull
0.1
12mm O.D. x 2mm I.D. x 6mm thick Y10 Ferrite Magnets - 0.1kg PullCode: FR120206
From £3.15£2.63
12mm O.D. x 3mm I.D. x 3.3mm thick Y10 Ferrite Magnets - 0.1kg Pull
0.1
12mm O.D. x 3mm I.D. x 3.3mm thick Y10 Ferrite Magnets - 0.1kg PullCode: FR120303
From £3.02£2.52
12mm O.D. x 4mm I.D. 4mm thick N42 Neodymium Magnets - 2.5kg Pull
2.5
12mm O.D. x 4mm I.D. 4mm thick N42 Neodymium Magnets - 2.5kg PullCode: SP1204
From £11.68£9.73
12mm O.D x 6mm I.D x 25mm thick Diametrically Magnetised N42 Neodymium Magnet with 2mm Slot - 5.4kg Pull
5.4
12mm O.D x 6mm I.D x 25mm thick Diametrically Magnetised N42 Neodymium Magnet with 2mm Slot - 5.4kg PullCode: F2512DM
From £11.62£9.68
12mm O.D. x 7mm I.D. x 3mm thick Y10 Ferrite Magnets - 0.71kg Pull
0.71
12mm O.D. x 7mm I.D. x 3mm thick Y10 Ferrite Magnets - 0.71kg PullCode: FR120307
£3.28£2.73
15mm O.D x 2mm I.D x 2mm thick N42 Neodymium Magnet - 1.9kg Pull
1.9
15mm O.D x 2mm I.D x 2mm thick N42 Neodymium Magnet - 1.9kg PullCode: F338P
From £3.25£2.71
19.1 mm dia x 6.4mm thick N42 Neodymium Magnet with 9.5mm hole - 8.1kg Pull
8.1
19.1 mm dia x 6.4mm thick N42 Neodymium Magnet with 9.5mm hole - 8.1kg PullCode: SP199564
From £2.94£2.45
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 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
23mm O.D. x 6mm I.D. x 20mm thick N42 Neodymium Magnet - 20.4kg Pull
20.4
23mm O.D. x 6mm I.D. x 20mm thick N42 Neodymium Magnet - 20.4kg PullCode: F651
From £16.07£13.39
23.5mm O.D. x 18.5mm I.D. x 11.5mm thick Y10 Ferrite Magnets - 0.25kg pull
0.25
23.5mm O.D. x 18.5mm I.D. x 11.5mm thick Y10 Ferrite Magnets - 0.25kg pullCode: FR231811
From £5.04£4.20
25mm O.D x 16mm I.D x 5mm thick Unmagnetised Neodymium Ring
25mm O.D x 16mm I.D x 5mm thick Unmagnetised Neodymium RingCode: F2516U
From £6.43£5.36
25mm O.D x 16mm I.D x 5mm thick N42 Neodymium Magnet - 9.4kg Pull
9.4
25mm O.D x 16mm I.D x 5mm thick N42 Neodymium Magnet - 9.4kg PullCode: F2516
From £6.43£5.36
25.4mm O.D x 7.93mm I.D x 6mm thick N42 Neodymium Rod Magnet - 11kg Pull
11
25.4mm O.D x 7.93mm I.D x 6mm thick N42 Neodymium Rod Magnet - 11kg PullCode: NR250806-LMI
From £8.48£7.07
30mm O.D. x 10mm I.D. x 10mm thick Diametrically Magnetised N42 Neodymium Ring Magnet
30mm O.D. x 10mm I.D. x 10mm thick Diametrically Magnetised N42 Neodymium Ring MagnetCode: F3010DM
From £19.40£16.17
32mm O.D x 18mm I.D x 5.5mm thick Y30BH Ferrite Ring Magnet - 1kg Pull
1
32mm O.D x 18mm I.D x 5.5mm thick Y30BH Ferrite Ring Magnet - 1kg PullCode: FR32185
From £6.37£5.31
40mm O.D x 25mm I.D x 5mm thick Samarium Cobalt Ring Magnet - 11.4kg Pull
11.4
40mm O.D x 25mm I.D x 5mm thick Samarium Cobalt Ring Magnet - 11.4kg PullCode: F4025SC
From £25.85£21.54
40mm O.D x 25mm I.D x 5mm thick Neodymium Magnet - 20kg Pull
20
40mm O.D x 25mm I.D x 5mm thick Neodymium Magnet - 20kg PullCode: SP4025
From £10.71£8.93
50mm dia x 3.5mm thick x 6mm hole Slimline Limpet Magnet - 30kg Pull
Super Strong
30
50mm dia x 3.5mm thick x 6mm hole Slimline Limpet Magnet - 30kg PullCode: F888
£17.72£14.76
50mm dia x 7mm thick x 6mm hole Medium Pole Limpet Magnet - 55kg Pull
Super Strong
55
50mm dia x 7mm thick x 6mm hole Medium Pole Limpet Magnet - 55kg PullCode: F888-215-6
£23.49£19.57
35 Products

Circular Ring

High-Quality Circular Ring Magnets at FIRST4MAGNETS®

Circular ring magnets are versatile and essential components for industrial, scientific, and everyday applications. At FIRST4MAGNETS®, we offer a comprehensive range of ring magnets, including neodymium, ferrite, and ceramic types. Designed for durability and precision, our ring magnets cater to diverse needs, from magnetic therapy to engineering projects.

Featured Circular Ring Magnets

What Is a Ring Magnet?

A ring magnet is a circular magnet with a hole in the center. It generates a magnetic field around its circular structure, making it ideal for applications like motors, sensors, and magnetic therapy. Depending on the type of magnetization (axial or diametrical), the poles of a ring magnet can be located either on the circular faces or around the outer and inner edges.

Where Are the Poles on a Ring Magnet?

  • Axially Magnetised: The poles are on the flat circular faces.
  • Diametrically Magnetised: The poles are along the outer and inner curved surfaces of the ring.

To determine the north and south poles, you can use a magnetic compass or another magnet to observe attraction or repulsion.

How Does a Ring Magnet Work?

Ring magnets work by generating magnetic fields that vary depending on their shape, material, and magnetisation method. Axially magnetised rings concentrate their magnetic force at the flat faces, while diametrically magnetised rings distribute the field along the curved surfaces. These characteristics make them suitable for use in motors, generators, loudspeakers, and magnetic therapy.

Applications of Ring Magnets

  • Magnetic Therapy: Often used in magnetic therapy rings for potential health benefits like improved circulation.
  • Engineering Projects: Ideal for creating strong magnetic fields in motors and generators.
  • Science Experiments: Perfect for educational purposes to study magnetic fields and poles.
  • Industrial Use: Frequently employed in filtration and magnetic separation processes.
  • DIY and Hobbies: Useful in crafting and model-making due to their precise shapes and strengths.

Frequently Asked Questions

  • What is a ring magnet? A circular magnet with a hole in the center, generating magnetic fields that are versatile for many applications.
  • Where are the poles of a ring magnet? Depending on the magnetisation, poles can be on the flat faces or around the outer and inner edges.
  • How can I find the north pole of a ring magnet? Use a compass to identify the direction of the magnetic field, with the north pole repelling the compass's north needle.
  • What are the uses of ring magnets? Common uses include magnetic therapy, industrial filtration, engineering, and educational experiments.

Shop the Best Circular Ring Magnets

FIRST4MAGNETS® offers a wide range of circular ring magnets to suit all your needs, from industrial to educational purposes. Our selection includes high-performance neodymium magnets, durable ferrite magnets, and versatile ceramic magnets. Enjoy free delivery and exceptional customer service when you shop online with us.

Related Links