N42 Neodymium Disc Magnet - 3/4 In. Dia X 3/4 In. Thick - 26.92Lbs Pull - FIRST4MAGNETS

This N42 Neodymium disc magnet offers exceptional pull strength for its compact size, capable of s...

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B&Q - N42 Neodymium Disc Magnet3/4 In. Dia X 3/4 In. Thick26.92Lbs Pull
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Product Information

Full details

The N42 Neodymium Disc Magnet is a powerful, high-performance tool designed for professional engineers, craft enthusiasts, and hobbyists who require substantial magnetic force within a compact, 3/4-inch footprint. With an impressive 26.92lbs pull strength, it excels in demanding tasks like heavy-duty model making or industrial fastening, though users must handle it with caution due to its brittle nature and the significant pinching risk associated with such strong neodymium magnets.

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BrandFIRST4MAGNETS

Extended Product Information

FAQs

Can I glue this magnet to wood or plastic?

Yes, you can use high-strength epoxy or cyanoacrylate (super glue) to attach the magnet to non-ferrous surfaces.

Does the 26.92lbs pull strength apply to all materials?

No, the pull strength is rated for direct contact with mild steel. It will be significantly weaker on stainless steel or aluminum.

Are these magnets safe for children?

No, these are strong magnets and can be hazardous if swallowed or used inappropriately. Keep away from children.

Can I drill into the magnet?

No, you should never drill into neodymium magnets. The dust is flammable, and drilling will destroy the magnetic properties.

How should I store these magnets?

Store them in a cool, dry place, ideally with spacers between them if you are keeping multiple magnets together to prevent them from snapping together.

Troubleshooting

Magnet is not holding the expected weight

Ensure the magnet is in flush, direct contact with a clean, mild steel surface. Check for paint, debris, or non-magnetic gaps between the surfaces.

Surface of the magnet has become chipped

Handle with care to prevent impact. If the coating is compromised, apply a thin layer of clear lacquer or protective spray to prevent rust.

Pros and Cons

Pros

  • High strength-to-size ratio
  • Excellent corrosion resistance due to triple-layer coating
  • Reliable, consistent magnetic performance
  • Ideal for diverse applications from engineering to crafts

Cons

  • Can be brittle if dropped against hard surfaces
  • Strong pull force poses a potential pinching hazard
  • Not suitable for temperatures exceeding 80 degrees Celsius

Setup, Compatibility & Care

To ensure the longevity of your N42 magnet, avoid exposing it to temperatures above 80°C, as heat can cause permanent demagnetization. When installing, use a non-ferrous adhesive if permanent placement is required, as the magnet itself will attract steel fasteners. Keep these magnets away from sensitive electronic equipment, credit cards, and medical devices like pacemakers. When cleaning, wipe with a soft, dry cloth; do not submerge in liquids or use abrasive cleaners that might compromise the nickel coating. Always slide magnets off each other rather than pulling them apart directly to reduce the risk of chipping or pinching fingers.

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