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N42SH grade is for high temperature applications.
Operating temperature: 300 degree F (150 degree C)

Much stronger and cheaper than other types of high temp magnets such as SmCo, AlniCo and ceramic magnets.


These 3/8" x 3/8" neodymium disc magnets are engineered for reliable performance in elevated temperature environments. Built with N42SH high-temperature grade, they retain their magnetic strength where standard neodymium magnets may begin to weaken, making them a dependable choice for heat-exposed applications.

The 3/8" diameter provides strong surface contact for a secure hold, while the thick 3/8" profile delivers deep magnetic strength and added stability. This combination makes them well-suited for both precision placement and more demanding setups. Each magnet is finished with a durable nickel coating to help protect against corrosion and everyday wear while maintaining a clean, polished look.

Common Applications:

  • High-temperature environments and heat-exposed assemblies
  • Motors, sensors, and mechanical components
  • Industrial fixtures and workshop setups
  • Embedding into materials exposed to heat
  • DIY projects requiring heat-resistant magnets
  • Automotive or equipment-related applications



BrMax: 13200 gauss

Nickel-Copper-Nickel triple layer coated for maximum rare earth magnets durability and protection again corrosion

Magnetized through the Thickness, poles are on the long surfaces

Contact us for high temp rare earth magnets wholesale discount

Approximate pull force: over 15 lbs

Frequently Bought Together

Total price$ 92.81

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