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Small Ring Magnets, Micro Ring Magnets
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The quality of this product is stable and reliable, which can satisfy the demands of several World Famous Enterprises.
If you require a small, tiny neodymium micro magnet in a custom size, please contact us
APPLICATIONS
- Microwave Tubes
- Coreless motor
- Motors such as high-performance compact actuators
- Microphones
- Gyroscopes
- Sensors
- Loudspeakers
Size Range Of Small Ring Magnets
| Project | Outer diameter（mm） | The inner diameter（mm） | Thickness（mm） | Direction of magnetization | Material |
| Basic dimensions | φ0.8-φ10.0 | φ0.2-φ3.0 | 0.2-15 | Custom | SmCo、NaFeB、Ferrite |
| Tolerance | ±0.005 | ±0.01 | ±0.005 | ±1° |
Materials Selection
Different kinds of magnetic materials can be selected, such as NdFeB, SmCo, AlNiCo, FeCrCo, Ferrite and various kinds of super-hard materials such as gemstones, crystals, ceramics, etc.
| Material | NdFeB | SmCo | AlNiCo | FeCrCo | Ferrite |
| Magnetic Energy | 30-52 MGOe | 16-32 MGOe | 1.2-10 MGOe | 0.1-6 MGOe | 1-3.5 MGOe |
| Max Working Temp. | 80-200°C | 350°C | 550°C | 400°C | 250°C |
| Production Method | Sintered | Sintered | Cast or Sintered | Cast | Sintered |
| Surface Coating | Yes | No | No | No | No |
| Machining Property | Middle | Low | Middle | High | Low |
| Cost | High | High | Middle | Middle | Low |
| Main Application | Motor Speaker Meter Sensor MRI Separator etc. | Aviation Spaceflight Motor Sensor Medical instrument etc. | Sensor Musical instrument Speaker Meter Motor etc. | Sensor Meter Speaker Motor etc. | Motor Speaker Toy Craft etc. |
Product Image of Small Magnets / Micro Ring Magnets
 Small Magnets / Micro Ring Magnets |  Small Magnets / Micro Ring Magnets |
