N42 Neodymium Countersunk Magnet - 20mm Dia X 3mm Thick X 3.6mm C/s Hole - 4.5Kg Pull - South - Pack Of 2 - FIRST4MAGNETS

These versatile, thin countersunk magnets from first4magnets are ideal for creating discreet magne...

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B&Q - N42 Neodymium Countersunk Magnet 20mm Dia X 3mm Thick X 3.6mm C/s Hole N424.5Kg PullNorthPack Of 2
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£8.99
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Product Information

Full details

This guide is for anyone looking to understand and effectively use FIRST4MAGNETS N42 Neodymium Countersunk Magnets. These magnets are ideal for a variety of applications, offering strong holding power in a compact size. Keep in mind that these magnets are very strong and require careful handling to avoid injury or damage.

All features

Model Part NumberN42
BrandFIRST4MAGNETS

Extended Product Information

FAQs

What is the holding force of these magnets?

Each magnet can support up to 4.5kg vertically when in direct contact with a mild steel surface.

What are the dimensions of the magnet?

The magnet is 20mm in diameter and 3mm thick, with a 3.6mm countersunk hole for fixing.

What materials are these magnets made of?

These magnets are made from Neodymium, coated with nickel, copper, and nickel.

Are these magnets suitable for outdoor use?

While they have a corrosion-resistant coating, prolonged exposure to the elements may affect their performance. Use in a protected environment is recommended.

How do I install the magnets?

Drill a hole, insert the magnet, and secure it with a 3mm diameter countersunk screw.

What should I do if the magnet breaks?

Dispose of the broken magnet carefully, and avoid contact with the broken pieces.

Troubleshooting

Magnet is not holding securely.

Ensure the magnet is in direct contact with a steel surface or another magnet. Check that the screw is not obstructing the magnetic force.

Magnet is difficult to handle.

Use gloves to protect your fingers. Keep magnets away from each other until ready to use.

Pros and Cons

Pros

  • High holding strength for its size.
  • Durable corrosion-resistant coating.
  • Versatile for various applications.
  • Easy to install with countersunk screws.
  • Excellent resistance to demagnetization.

Cons

  • Requires careful handling due to strong magnetic pull.
  • May not be suitable for high-temperature environments.
  • Small size can be a hazard for children.
  • Requires compatible screws for installation.

Setup, Compatibility & Care

Setup:

  1. Drill a hole of the appropriate size to accommodate the magnet.
  2. Place the magnet into the hole, ensuring it sits flush with the surface.
  3. Use a 3mm diameter countersunk screw to secure the magnet in place.

Compatibility:

  • Compatible with wood, plastic, and metal surfaces.
  • Use with appropriate screws for the material being used.

Care:

  • Avoid dropping or impacting the magnets, as this can cause them to chip or break.
  • Keep magnets away from children due to choking hazards.
  • Store magnets in a dry place, away from extreme temperatures.

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