Neodymium Magnets

Standard and custom NdFeB magnets for OEM, industrial, medical, automation, motor, sensor, and magnetic assembly applications.
✓ High Performance

✓ Reliable Quality

✓ Custom Solutions

Standard & Custom Shapes

Wide range of shapes and sizes

Grades from N35 to N55

Multiple grade options available

Multiple Coating Options

NiCuNi, Zinc, Epoxy, Parylene and more

Sample to Volume Production

Flexible from prototype to bulk orders

What Are Neodymium Magnets?

Neodymium magnets, also known as NdFeB magnets, NIB magnets, or neo magnets, are rare earth permanent magnets made from neodymium, iron, and boron. They are widely used when compact size, strong magnetic force, and stable magnetic performance are required.
For industrial buyers, the key is not only magnetic strength. Grade, coating, size tolerance, working temperature, and magnetization direction all affect the final performance in real applications.
How Strong Is a Neodymium Magnet

Common Shapes of Neodymium Magnets

For sensors, holding fixtures, electronics, and compact designs.

For speakers, motors, magnetic couplings, and center-hole designs.

For secure screw mounting in fixtures, brackets, equipment panels, and assemblies.

For industrial holding, motor assemblies, fixtures, and equipment.
For magnetic separation, testing, positioning, and linear holding.
For motors, rotors, generators, and curved magnetic structures.
For magnetic rods, filter systems, sensors, and assembly designs.
For drawings, special shapes, tight tolerances, and OEM projects.

How to Choose the Right Neodymium Magnet Grade

N Series Neodymium Magnet Grades – 80°C

GradeBr (T) MaxBr (T) MinBr (kGs) MaxBr (kGs) MinHcJ (kA/m) MinHcJ (kOe) MinHcb (kA/m) MinHcb (kOe) Min(BH)max (kJ/m³) Max(BH)max (kJ/m³) Min(BH)max (MGOe) Max(BH)max (MGOe) MinDensity (g/cm³) MinRelative Recoil PermeabilityTemp. Coef. Br (%/°C)Temp. Coef. HcJ (%/°C)Max. Working Temp. (L/D=0.7)
N561.511.515.114.78761183610.545441457527.51.05-0.12-0.7680°C
N541.491.514.914.59551283610.543740655517.51.05-0.12-0.7680°C
N521.461.414.614.29551283610.542239053497.51.05-0.12-0.7680°C
N501.441.414.413.99551286010.840637451477.51.05-0.12-0.7680°C
N481.431.414.313.79551286010.839035849457.51.05-0.12-0.7680°C
N451.371.313.713.29551286010.836634246437.51.05-0.12-0.7680°C
N421.321.313.212.89551286010.834231843407.51.05-0.12-0.7680°C

M Series Neodymium Magnet Grades – 100°C

GradeBr (T) MaxBr (T) MinBr (kGs) MaxBr (kGs) MinHcJ (kA/m) MinHcJ (kOe) MinHcb (kA/m) MinHcb (kOe) Min(BH)max (kJ/m³) Max(BH)max (kJ/m³) Min(BH)max (MGOe) Max(BH)max (MGOe) MinDensity (g/cm³) MinRelative Recoil PermeabilityTemp. Coef. Br (%/°C)Temp. Coef. HcJ (%/°C)Max. Working Temp. (L/D=0.7)
56M1.51.51514.61,1141499512.544640656517.51.05-0.12-0.68100°C
54M1.491.414.914.41,114141,0351343839855507.51.05-0.12-0.68100°C
52M1.461.414.614.21,114141,0351342238253487.51.05-0.12-0.68100°C
50M1.441.414.413.91,114141,0351340637451477.51.05-0.12-0.68100°C
48M1.421.414.213.71,114141,02712.939035849457.51.05-0.12-0.68100°C
45M1.371.313.713.21,1141499512.536634246437.51.05-0.12-0.68100°C
42M1.321.313.212.81,114149551234231843407.51.05-0.12-0.68100°C
40M1.281.312.812.51,1141492311.632630241387.51.05-0.12-0.68100°C

H Series Neodymium Magnet Grades – 120°C

GradeBr (T) MaxBr (T) MinBr (kGs) MaxBr (kGs) MinHcJ (kA/m) MinHcJ (kOe) MinHcb (kA/m) MinHcb (kOe) Min(BH)max (kJ/m³) Max(BH)max (kJ/m³) Min(BH)max (MGOe) Max(BH)max (MGOe) MinDensity (g/cm³) MinRelative Recoil PermeabilityTemp. Coef. Br (%/°C)Temp. Coef. HcJ (%/°C)Max. Working Temp. (L/D=0.7)
54H1.491.4414.914.41,353171,07513.543839855507.51.05-0.12-0.66120°C
52H1.461.4214.614.21,353171,05913.342238253487.51.05-0.12-0.66120°C
50H1.441.3914.413.91,353171,04313.140637451477.51.05-0.12-0.66120°C
48H1.421.3614.213.61,353171,02712.939035849457.51.05-0.12-0.66120°C
45H1.371.3213.713.21,3531799512.536634246437.51.05-0.12-0.66120°C
42H1.321.2813.212.81,353179551234231843407.51.05-0.12-0.66120°C
40H1.281.2512.812.51,3531792311.632630241387.51.05-0.12-0.66120°C
38H1.251.2212.512.31,3531789911.331028739367.51.05-0.12-0.66120°C
35H1.221.1712.211.71,3531786810.928726336337.51.05-0.12-0.66120°C

SH Series Neodymium Magnet Grades – 150°C

GradeBr (T) MaxBr (T) MinBr (kGs) MaxBr (kGs) MinHcJ (kA/m) MinHcJ (kOe) MinHcb (kA/m) MinHcb (kOe) Min(BH)max (kJ/m³) Max(BH)max (kJ/m³) Min(BH)max (MGOe) Max(BH)max (MGOe) MinDensity (g/cm³) MinRelative Recoil PermeabilityTemp. Coef. Br (%/°C)Temp. Coef. HcJ (%/°C)Max. Working Temp. (L/D=0.7)
54SH1.491.4414.914.41,592201,07513.543839855507.51.04-0.115-0.56150°C
52SH1.461.4214.614.21,592201,05913.342239053497.51.04-0.115-0.56150°C
50SH1.421.3914.213.91,592201,04313.140637451477.51.04-0.115-0.56150°C
48SH1.41.361413.61,592201,0351339035849457.51.04-0.115-0.56150°C
45SH1.371.3213.713.21,5922099512.536634246437.51.04-0.115-0.56150°C
42SH1.321.2813.212.81,592209551234231843407.51.04-0.115-0.56150°C
40SH1.281.2512.812.51,5922093911.832630241387.51.04-0.115-0.56150°C
38SH1.251.2212.512.21,5922090711.431028739367.51.04-0.115-0.56150°C
35SH1.221.1712.211.71,592208761128726336337.51.04-0.115-0.56150°C
33SH1.171.1311.711.31,5922084410.627124734317.51.04-0.115-0.56150°C

UH Series Neodymium Magnet Grades – 180°C

GradeBr (T) MaxBr (T) MinBr (kGs) MaxBr (kGs) MinHcJ (kA/m) MinHcJ (kOe) MinHcb (kA/m) MinHcb (kOe) Min(BH)max (kJ/m³) Max(BH)max (kJ/m³) Min(BH)max (MGOe) Max(BH)max (MGOe) MinDensity (g/cm³) MinRelative Recoil PermeabilityTemp. Coef. Br (%/°C)Temp. Coef. HcJ (%/°C)Max. Working Temp. (L/D=0.7)
52UH1.461.4214.614.21,990251,05913.342239053497.551.03-0.11-0.5180°C
50UH1.421.3914.213.91,990251,04313.140637451477.551.03-0.11-0.5180°C
48UH1.41.361413.61,990251,03112.939035849457.551.03-0.11-0.5180°C
45UH1.361.3213.613.21,990251,00312.636634246437.551.03-0.11-0.5180°C
42UH1.321.2813.212.81,9902597112.234231843407.551.03-0.11-0.5180°C
40UH1.281.2512.812.51,9902592311.632630241387.551.03-0.11-0.5180°C
38UH1.251.2212.512.21,9902590711.431028739367.551.03-0.11-0.5180°C
35UH1.221.1712.211.71,9902586010.828726336337.551.03-0.11-0.5180°C
33UH1.171.1311.711.31,9902585210.727124734317.551.03-0.11-0.5180°C
30UH1.131.0811.310.81,9902581210.224722331287.551.03-0.11-0.5180°C

EH Series Neodymium Magnet Grades – 200°C

GradeBr (T) MaxBr (T) MinBr (kGs) MaxBr (kGs) MinHcJ (kA/m) MinHcJ (kOe) MinHcb (kA/m) MinHcb (kOe) Min(BH)max (kJ/m³) Max(BH)max (kJ/m³) Min(BH)max (MGOe) Max(BH)max (MGOe) MinDensity (g/cm³) MinRelative Recoil PermeabilityTemp. Coef. Br (%/°C)Temp. Coef. HcJ (%/°C)Max. Working Temp. (L/D=0.7)
50EH1.421.3914.213.92,308291,04313.140637451477.61.03-0.1-0.45200°C
48EH1.361.413.5142,308291,03112.939035849457.61.03-0.1-0.45200°C
45EH1.361.3213.613.22,388301,00312.636634246437.61.03-0.1-0.45200°C
42EH1.321.2813.212.82,3883097012.234231843407.61.03-0.1-0.45200°C
40EH1.281.2512.812.52,3883094711.932630241387.61.03-0.1-0.45200°C
38EH1.251.2212.512.22,3883091511.531028739367.61.03-0.1-0.45200°C
35EH1.221.1712.211.72,3883088411.128726336337.61.03-0.1-0.45200°C
33EH1.171.1311.711.32,3883086010.827124734317.61.03-0.1-0.45200°C
30EH1.131.0811.310.82,3883082010.324722331287.61.03-0.1-0.45200°C

AH Series Neodymium Magnet Grades – 230°C

GradeBr (T) MaxBr (T) MinBr (kGs) MaxBr (kGs) MinHcJ (kA/m) MinHcJ (kOe) MinHcb (kA/m) MinHcb (kOe) Min(BH)max (kJ/m³) Max(BH)max (kJ/m³) Min(BH)max (MGOe) Max(BH)max (MGOe) MinDensity (g/cm³) MinRelative Recoil PermeabilityTemp. Coef. Br (%/°C)Temp. Coef. HcJ (%/°C)Max. Working Temp. (L/D=0.7)
45AH1.361.3213.613.22,640331,00312.636634246437.61.03-0.1-0.45230°C
42AH1.321.2813.212.82,7063497012.234231843407.61.03-0.1-0.45230°C
40AH1.281.2512.812.52,7863594711.932630241387.61.03-0.1-0.45230°C
38AH1.251.2212.512.22,7863591511.531028739367.61.03-0.1-0.45230°C
35AH1.21.171211.72,7863588311.128726336337.61.03-0.1-0.45230°C
33AH1.171.1111.711.12,7863584410.627123934317.61.03-0.1-0.45230°C
30AH1.131.0711.310.72,7863581210.224721531277.61.03-0.1-0.45230°C
28AH1.091.0210.910.22,786357729.723119929257.61.03-0.1-0.45230°C

A higher grade does not always mean a better magnet. Size, air gap, working temperature, coating, and magnetization direction affect real performance.

Coatings for Neodymium Magnets

CoatingCommon UseKey Benefit
NiCuNiGeneral industrialDurable clean finish
ZincCost-sensitive projectsBasic protection
EpoxyHumid environmentsBetter moisture resistance
ParylenePrecision partsThin uniform layer
GoldElectronicsConductive surface

Sizes, Tolerances and Magnetization Directions

Custom Sizes

Standard and project-specific dimensions based on drawings, samples, or application needs.

Tolerances

Critical for assemblies, motors, sensors, and precision devices.

Magnetization Direction

Axial, diametrical, radial, multi-pole, and custom options.

Magnetization Directions

Axial

Axial

Diametrical

Diametrical

Radial

Radial

Multi-pole

Multi-pole

Standard vs Custom Neodymium Magnets: Which Should You Choose?

Choose standard magnets when you need common shapes, quick testing, and better cost control. Choose custom magnets when your product requires a special size, assembly fit, tolerance, coating, or magnetization direction.

Choose Standard Magnets When

  • You need common shapes and sizes
  • The application is simple holding or fixing
  • Fast sample testing is more important
  • Cost control is the main priority

Choose Custom Magnets When

  • You have a drawing or special size
  • The magnet must fit into an assembly
  • Tolerance, coating, and direction are critical
  • Performance and fit are project-specific

Where Are Neodymium Magnets Used?

Electric Motors

Electric Motors

Sensors & Electronics

Sensors and Encoders

Medical Devices

Medical Devices

Industrial Fixtures

Industrial Fixtures

Magnetic Couplings

Magnetic Couplings

Consumer Electronics

Consumer Electronics

Automotive and Robotics

Automotive and Robotics

Wind Energy

Wind Energy

How We Help You Select the Right Neodymium Magnet

  1. Application Review
    We first understand how the magnet will be used, not just the size you need.
  2. Grade Recommendation
    We help match grade with force, temperature, space, and cost requirements.
  3. Coating Selection
    We suggest coating options based on humidity, corrosion risk, appearance, and assembly needs.
  4. Magnetization Direction Check
    We confirm the right direction before sampling or production.
  5. Sample-to-Production Support
    We support sample testing before volume production when needed.

Quality Control for Neodymium Magnets

  1. Raw Material and Grade Confirmation
  2. Dimension Inspection
  3. Surface and Coating Check
  4. Magnetic Performance Testing
  5. Magnetization Direction Confirmation
  6. Packaging and Shipment Protection

Packaging and Shipping for Neodymium Magnets

  • Magnets are brittle and need protective packaging.
  • Strong magnets may require magnetic shielding for air shipment.
  • Bulk orders need clear labeling and stable carton or pallet packaging.
  • Custom packaging can be discussed for OEM or distributor needs.

Why Source Neodymium Magnets from Osenc?

  • Focused on NdFeB Magnets and Magnetic Assemblies
    Better understanding of real magnetic applications.
  • Standard and Custom Supply
    Buyers can source both common shapes and project-specific magnets.
  • Engineering-Friendly Communication
    We can work from drawings, samples, target force, or application notes.
  • Flexible Support from Samples to Bulk Orders
    Suitable for product testing, OEM projects, and repeat procurement.

Neodymium Magnets FAQ

Neodymium magnets are made from neodymium, iron, and boron. They are also called NdFeB magnets, NIB magnets, or neo magnets.

They are among the strongest commercially available permanent magnets, especially for compact applications that need high magnetic force.

It depends on size, pull force, temperature, air gap, coating, and cost. A higher grade is not always the best choice for every application.

Yes. Most neodymium magnets need coating because they are brittle and vulnerable to corrosion. Common coatings include NiCuNi, zinc, epoxy, parylene, and gold.

Yes. Shape, size, grade, coating, tolerance, and magnetization direction can often be customized based on drawings or application requirements.

Send size, shape, grade, coating, magnetization direction, quantity, tolerance, application, and drawings if available.

Standard grades have temperature limits. For high-temperature applications, buyers should confirm the correct temperature grade instead of only choosing a higher magnetic grade.

Let‘s Realize Your Grand Plan Together

Main Neodymium Magnet Grade

 
Remanence (Br)Intrinic Coercivity (HcJ)Coercivity (Hcb)Max Energy Product (BH) MaxDensity
Relative Recoil Permeability
Temperature CoefficientMax. Working Temp.
TkGskA/mkOekA/mkOeKj/mMGOeg/cm  °C (L/D=0.7)
 MaxMinMaxMinMinMinMinMinMaxMinMaxMinMin %/°C%/°C 
N561.511.515.114.78761183610.545441457527.51.05-0.12-0.7680°C
N541.491.514.914.59551283610.543740655517.51.05-0.12-0.7680°C
N521.461.414.614.29551283610.542239053497.51.05-0.12-0.7680°C
N501.441.414.413.99551286010.840637451477.51.05-0.12-0.7680°C
N481.431.414.313.79551286010.839035849457.51.05-0.12-0.7680°C
N451.371.313.713.29551286010.836634246437.51.05-0.12-0.7680°C
N421.321.313.212.89551286010.834231843407.51.05-0.12-0.7680°C
56M1.51.51514.61,1141499512.544640656517.51.05-0.12-0.68100°C
54M1.491.414.914.41,114141,0351343839855507.51.05-0.12-0.68100°C
52M1.461.414.614.21,114141,0351342238253487.51.05-0.12-0.68100°C
50M1.441.414.413.91,114141,0351340637451477.51.05-0.12-0.68100°C
48M1.421.414.213.71,114141,02712.939035849457.51.05-0.12-0.68100°C
45M1.371.313.713.21,1141499512.536634246437.51.05-0.12-0.68100°C
42M1.321.313.212.81,114149551234231843407.51.05-0.12-0.68100°C
40M1.281.312.812.51,1141492311.632630241387.51.05-0.12-0.68100°C
54H1.491.4414.914.41,353171,07513.543839855507.51.05-0.12-0.66120°C
52H1.461.4214.614.21,353171,05913.342238253487.51.05-0.12-0.66120°C
50H1.441.3914.413.91,353171,04313.140637451477.51.05-0.12-0.66120°C
48H1.421.3614.213.61,353171,02712.939035849457.51.05-0.12-0.66120°C
45H1.371.3213.713.21,3531799512.536634246437.51.05-0.12-0.66120°C
42H1.321.2813.212.81,353179551234231843407.51.05-0.12-0.66120°C
40H1.281.2512.812.51,3531792311.632630241387.51.05-0.12-0.66120°C
38H1.251.2212.512.31,3531789911.331028739367.51.05-0.12-0.66120°C
35H1.221.1712.211.71,3531786810.928726336337.51.05-0.12-0.66120°C
54SH1.491.4414.914.41,592201,07513.543839855507.51.04-0.115-0.56150°C
52SH1.461.4214.614.21,592201,05913.342239053497.51.04-0.115-0.56150°C
50SH1.421.3914.213.91,592201,04313.140637451477.51.04-0.115-0.56150°C
48SH1.41.361413.61,592201,0351339035849457.51.04-0.115-0.56150°C
45SH1.371.3213.713.21,5922099512.536634246437.51.04-0.115-0.56150°C
42SH1.321.2813.212.81,592209551234231843407.51.04-0.115-0.56150°C
40SH1.281.2512.812.51,5922093911.832630241387.51.04-0.115-0.56150°C
38SH1.251.2212.512.21,5922090711.431028739367.51.04-0.115-0.56150°C
35SH1.221.1712.211.71,592208761128726336337.51.04-0.115-0.56150°C
33SH1.171.1311.711.31,5922084410.627124734317.51.04-0.115-0.56150°C
52UH1.461.4214.614.21,990251,05913.342239053497.551.03-0.11-0.5180°C
50UH1.421.3914.213.91,990251,04313.140637451477.551.03-0.11-0.5180°C
48UH1.41.361413.61,990251,03112.939035849457.551.03-0.11-0.5180°C
45UH1.361.3213.613.21,990251,00312.636634246437.551.03-0.11-0.5180°C
42UH1.321.2813.212.81,9902597112.234231843407.551.03-0.11-0.5180°C
40UH1.281.2512.812.51,9902592311.632630241387.551.03-0.11-0.5180°C
38UH1.251.2212.512.21,9902590711.431028739367.551.03-0.11-0.5180°C
35UH1.221.1712.211.71,9902586010.828726336337.551.03-0.11-0.5180°C
33UH1.171.1311.711.31,9902585210.727124734317.551.03-0.11-0.5180°C
30UH1.131.0811.310.81,9902581210.224722331287.551.03-0.11-0.5180°C
50EH1.421.3914.213.92,308291,04313.140637451477.61.03-0.1-0.45200°C
48EH1.361.413.5142,308291,03112.939035849457.61.03-0.1-0.45200°C
45EH1.361.3213.613.22,388301,00312.636634246437.61.03-0.1-0.45200°C
42EH1.321.2813.212.82,3883097012.234231843407.61.03-0.1-0.45200°C
40EH1.281.2512.812.52,3883094711.932630241387.61.03-0.1-0.45200°C
38EH1.251.2212.512.22,3883091511.531028739367.61.03-0.1-0.45200°C
35EH1.221.1712.211.72,3883088411.128726336337.61.03-0.1-0.45200°C
33EH1.171.1311.711.32,3883086010.827124734317.61.03-0.1-0.45200°C
30EH1.131.0811.310.82,3883082010.324722331287.61.03-0.1-0.45200°C
45AH1.361.3213.613.22,640331,00312.636634246437.61.03-0.1-0.45230°C
42AH1.321.2813.212.82,7063497012.234231843407.61.03-0.1-0.45230°C
40AH1.281.2512.812.52,7863594711.932630241387.61.03-0.1-0.45230°C
38AH1.251.2212.512.22,7863591511.531028739367.61.03-0.1-0.45230°C
35AH1.21.171211.72,7863588311.128726336337.61.03-0.1-0.45230°C
33AH1.171.1111.711.12,7863584410.627123934317.61.03-0.1-0.45230°C
30AH1.131.0711.310.72,7863581210.224721531277.61.03-0.1-0.45230°C
28AH1.091.0210.910.22,786357729.723119929257.61.03-0.1-0.45230°C