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  • 3 x 1/4" NdFeB Rare Earth Disc Magnet
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N45 3"x1/4" Neodymium Rare Earth Disc Magnet

7.54 Ounces
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Your Price:
$15.48 (You save $11.51)


This product measures 3" in diameter and 1/4" in thickness and is made of a grade N45 neodymium, iron, and boron magnetic alloy blend. This magnetic blend is patent licensed and made under the ISO 9001 quality systems. They are plated in a nickel-copper-nickel coating for a shiny corrosion-resistant finish. The North and South poles are on the flat sides. The pull force of this magnet is 70 lbs. This is a great item for use in personal projects as well as for crafts and closures and can also be used to help keep objects secured or fastened to any ferrous surface. 

  • Material: Sintered NdFeB. Grade N45
  • Gauss Rating: 13,500 gauss
  • Pulling Force: 70 lbs
  • Pole Orientation: Axially magnetized, poles are on the two flat surfaces
  • Coating: Ni+Cu+Ni 3 layer plated, the best coating available
  • Tolerance: The tolerances of all the dimensions are +/-0.002in with coating.

PLEASE NOTE:             

  • All magnets may chip and shatter, but if used correctly can last a lifetime.
  • Keep away from pacemakers.
  • Not for children, parental supervision required.
  • If damaged please dispose of completely. Shards are still magnetized and if swallowed can inflict serious damage if magnets join inside the digestive tract.


Warranty Information

This product is covered by 10 year warranty on the magnetic strength under normal usage. Used in the environment which has high temperature and virbation will void this warranty. The product should not be used in the outdoor or high humid or salty environment except extra insulation measurement is taken.

Other Details

Gauss Rating:
13,500 Gauss
Pulling Force:
70 lbs
Pole Orientation:
+/- 0.002in


There are 3 review(s) for N45 3"x1/4" Neodymium Rare Earth Disc Magnet

  • Perfect

    by Brian – 15th Jun 2016

    Haven't yet had a chance to put them in a rotor - but these magnets are extremely strong, more so than I thought. Appearance upon arrival is great, packaged well. Only a small nick on the edge of the end magnets - but only the nickle coating and not all the way threw.

    Overall I am very impressed, and will be ordering more soon. So glad I have found this source!

  • Very good magnet for Therapy/Pain

    by sliderulex – 26th Sep 2014

    I have two of these very powerful and theraputically useful magnets. I have calculated their maximum theraputic depth (defined by Dr. Philpott as being 25 gauss) and the depth is 5 inches. So any tissue you want to treat will be treatable up to 5 inches depth from surface of the skin. This high depth of penetration makes this 3 x 1/4 inch magnet very useful in many applications.

  • Very strong

    by Bonnie Yamamoto – 10th Jul 2014

    This magnet has very strong pull force. I want to use it the therapy, but it may be too strong, if you don't super be careful with it. I already put my finger in-between and hurt myself. If you are looking for strong ones, this is it!

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