Mainrich International
Custom neodymium magnets

Unlock the Power of Custom Neodymium Magnets

Home » Custom Neodymium Magnets

N35–N52

Common grade range

Coated

Corrosion protection options

Custom Poles

Magnetization patterns

DFM Support

Design-for-manufacture guidance

Key Options

Grades

Select grades to balance cost, magnetic performance, and temperature stability (e.g., N35–N52; higher-coercivity variants when thermal margin is critical).

Coatings

Common finishes include nickel, zinc, epoxy, passivation, and aluminum-based coatings depending on corrosion environment and wear risk.

Magnetization

Specify magnetization direction and pole patterns (single-pole, multi-pole, radial, axial, or custom) to match your motor/sensor/fixture requirements.

Shapes & Tolerances

Blocks, arcs, rings, countersinks, and custom geometries—manufactured to agreed tolerances and measured against your critical dimensions.

What We Need From You

The fastest path to a correct quote is a drawing plus the operating conditions.

  • Geometry + tolerances (critical dimensions highlighted)
  • Operating temperature range and duty cycle
  • Environment (humidity, salt, oil, abrasion)
  • Required magnetization pattern and inspection method

Practical Notes

  • NdFeB is strong but brittle—design for handling and assembly.
  • Coating choice is critical for corrosion resistance.
  • Thermal margin matters—pick coercivity class to avoid demagnetization.

Quality & Compliance

We can support production documentation and environmental compliance expectations depending on your program requirements.

Environmental

RoHS / REACH documentation available upon request.

Inspection

Dimensional checks, flux/gauss verification, and batch consistency reporting as agreed.

Need a custom NdFeB quote?

Share a drawing (or target dimensions), operating temperature, and environment. We'll recommend grade + coating + magnetization.