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Rectangular Bar
(43 Products)Find a wide variety of rectangular bar magnets at FIRST4MAGNETS, perfect for industrial, educational, and DIY applications. From small neodymium magnets to educational Alnico magnets, our selection ensures you get the right magnet for your needs. Explore our guides to learn how to use magnets effectively and shop online today.
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Pull Strength
2.5 x 7 x 2.5mm thick N42 Neodymium Magnet - 0.4kg PullCode: F333
From £5.19£4.33
2.5 x 7.5 x 2.5mm N42 Neodymium Magnet - 0.42kg PullCode: SP33
From £5.29£4.41
3 x 3 x 8mm thick 45H Neodymium Magnet - 0.5kg PullCode: MOD8
From £4.54£3.78
3 x 3 x 20mm thick N42 Neodymium Magnet - 0.27kg PullCode: F380
From £6.49£5.41
5 x 2.5 x 1.5mm thick 45H Neodymium Magnet - 0.4kg PullCode: MOD2
From £4.88£4.06
7 x 7 x 25mm thick Y30BH Ferrite Magnet - 0.23kg PullCode: F7725F
From £4.80£4.00
9 x 9 x 39mm thick Y10 Ferrite Magnets - 0.15kg PullCode: FB090939
From £3.60£3.00
£6.93£5.78
Alnico Rectangular Bar Magnets - 0.6kg Pull (12.5 x 5 x 40mm)Code: ALBAR130540
From £9.77£8.14
10 x 3 x 2mm thick 45H Neodymium Magnet - 0.8kg PullCode: MOD6
From £5.07£4.22
10 x 3.5 x 2.25mm thick N45 Neodymium Magnet - 0.9kg PullCode: MOD9
From £4.54£3.78
10 x 8 x 21mm thick N42 Neodymium Magnet - 4.5kg PullCode: F182
From £6.43£5.36
Alnico Rectangular Bar Magnets - 0.1kg Pull (10 x 5 x 20mm)Code: ALBAR100520
From £7.87£6.56
Educational Alnico Bar Magnets & Iron Filings Set - Science & EducationCode: F110-IRON
£10.21£8.51
Educational Alnico Bar Magnets - North & South Identified (11 x 6 x 75mm)Code: F110
From £8.52£7.10
12.7mm x 6.35mm x 6.35mm thick N42 Neodymium Magnet - Licensed MaterialCode: NB130606-LMI
From £10.42£8.68
15 x 4 x 4mm thick N42 Neodymium Magnet - 2.2kg PullCode: F1544
From £5.85£4.87
Alnico Rectangular Bar Magnets - 2.2kg Pull (15 x 10 x 75mm)Code: ALBAR151075
From £35.99£29.99
Alnico Rectangular Bar Magnets - 1.7kg Pull (15 x 10 x 50mm)Code: ALBAR151050
From £29.99£24.99
16 x 4 x 50mm long Ferrite Bar Magnet with North & South Identified - 0.1kg PullCode: FB160450
From £2.76£2.30
20 x 4 x 2mm thick N42 Neodymium Magnet - 1.9kg PullCode: F2042
From £5.85£4.87
20 x 10 x 5mm thick N42 Neodymium Magnet - 5.4kg PullCode: F201
From £15.57£12.98
20 x 10 x 40mm thick N42 Neodymium Magnet - 11.2kg PullCode: F201040
From £10.32£8.60
25 x 5 x 5mm thick Samarium Cobalt Magnet - 3.2kg PullCode: F319-SC
From £36.00£30.00
25 x 5 x 5mm thick N42 Neodymium Magnet - 4kg PullCode: F319
From £14.58£12.15
43 Products
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Rectangular Bar
Explore the Versatility of Rectangular Bar Magnets
Rectangular bar magnets are among the most versatile and widely used types of magnets. Whether for educational, industrial, or household applications, these magnets are essential tools for exploring magnetic fields, securing objects, or powering innovative DIY projects. At FIRST4MAGNETS, we offer a wide selection of high-quality rectangular bar magnets, including neodymium, ferrite, and Alnico options.
Popular Rectangular Bar Magnets
- 3x3x8mm Neodymium Magnet – Compact and strong, ideal for precision applications.
- 7x7x25mm Ferrite Magnet – Durable and cost-effective for general use.
- 9.52x6.35x6.35mm Neodymium Magnet – Delivers powerful pull in a compact size.
- Alnico Rectangular Bar Magnet – Ideal for educational purposes and experiments.
- 16x4x50mm Ferrite Bar Magnet – Clearly marked poles for ease of use in magnetic field plotting.
Key Features of Rectangular Bar Magnets
- Available in a range of materials: neodymium, ferrite, and Alnico.
- Suitable for educational experiments, industrial applications, and DIY projects.
- High magnetic pull strength for securing and holding objects.
- Compact and versatile designs for a variety of uses.
- Durable materials to withstand frequent use and varying environments.
Applications of Rectangular Bar Magnets
- Magnetic Field Plotting: Use iron filings or a plotting compass to map the magnetic field of a bar magnet.
- Educational Demonstrations: Clearly marked poles help in studying magnetic fields and forces.
- DIY Projects: Incorporate magnets in creative and practical projects at home.
- Industrial Use: Employ powerful neodymium magnets for holding, lifting, or separating objects.
- Home Applications: Use in closures, mounts, or storage solutions for tools and other items.
Understanding Magnetic Fields
- What is a rectangular magnet? A rectangular magnet is a permanent magnet with a defined length, width, and thickness, commonly used in scientific and industrial applications.
- Where is the magnetic field strongest on a bar magnet? The magnetic field is strongest at the poles of the magnet, where lines of force converge or diverge.
- How can you plot a magnetic field? Use iron filings or a plotting compass to visualize the magnetic field lines emanating from the magnet's poles.
- What happens when a bar magnet is cut in half? Each half becomes a new bar magnet with its own north and south poles.
- How do like and unlike poles behave? Like poles repel each other, while unlike poles attract.
Educational Resources and Guides
Explore our comprehensive guides and articles to enhance your understanding of magnets:
- How to Choose the Right Magnet for Your Application
- DIY Magnet Applications
- Kitchen Magnet Applications
Shop High-Quality Rectangular Bar Magnets
Whether you need large neodymium magnets or Alnico magnets for educational use, FIRST4MAGNETS offers a wide range of options. Browse our selection and find the perfect magnet for your needs today.
Related Links
FAQs About Rectangular Bar Magnets
- What is a bar magnet? A bar magnet is a permanent magnet with a rectangular shape, featuring a north and south pole.
- How do you plot a magnetic field? Use iron filings or a plotting compass to visualize the lines of force around the magnet.
- What is the difference between a bar magnet and an electromagnet? A bar magnet is a permanent magnet, while an electromagnet generates a magnetic field through electric current.