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Dangerous Magnets Ltd is your helpful & reputable source for extra strong neodymium magnets that never weaken with age.

- Keep from young children! If two or more are swallowed they can be lethal, by attracting across gut tissue and puncturing it.
- The material is brittle so it can chip or break if magnets crash together. Eye protection advised.
- Magnets can pinch skin and cut clothing.
- For sensitive devices (e.g. credit cards, pacemakers, magnetic recording), keep at a distance where the field is negligible.


This is a pack of 60, very powerful, neodymium magnets. This type is about 10 times more powerful than traditional ferrite or ceramic magnets.

Dimensions: 6mm diameter x 2.5mm long. Nickel plated for durability.

Strength Rating: N45. Many magnets sold in NZ are N35 grade or lower, and are significantly weaker. One trader advertises a weaker grade as N45; perhaps his supplier deceived him.
One of these grips to a similar magnet, or smooth, flat 0.8 mm steel, with a direct pull of over 0.7 kg. Stack two, and the pull to steel is 1.3 kg.

In the photo, a single magnet, glued to thread, easily holds up the 350g pliers.

Mounting: Either glue into a hole - slow setting epoxy is best - or for possibly better security, force into an undersized hole.

Potential Uses
- Electric motors, RC motors, & generators
- Latches & closures (Wooden boxes etc)
- Holders (Tools, curtains etc)
- Frictionless spring (either tension or compression)
- Triggering reed switches and other actuators
- Attaching documents and products for commercial display
- School or University science projects
- Fastenings for manufacturing Perspex photo display items.
- Fastenings for speaker grills

Buy other magnets and combine shipping.

For my many other magnet sizes, click "Sellers Other Listings" or search “Dangerousmagnet”. For a list without duplications: Please read the questions and answers for this listing.
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Shipping options

  • Courier. All Fastway Rural Delivery, incl Auck.$12.00
  • Courier. Nationwide - Non Rural Delivery$6.00
  • Pickup, from the Onehunga end of Hillsborough$0.00
  • Additional item (= or higher courier already paid)$0.00
  • PO Boxes, i.e. DON'T! Courier cannot deliver.$50.00
  • Seller allows pick-ups
  • Seller location: Auckland City, Auckland, NZ

Payment options

  • Other options
    Cash, NZ bank deposit

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