N45 Multipole Radial Magnetization Neodymium Ring Magnets OD14mm x ID10mm x 3mm for Speakers and Sensors
Custom multipole radial magnetization N45 neodymium ring magnets with dimensions OD14mm × ID10mm × 3mm thickness. These high-performance permanent magnets are engineered for precision applications in speakers, sensors, and buoy systems.
| Parameter | Specifications |
|---|---|
| Product Name | Multipole Radial Magnetization N45 OD14×ID10×3 Neodymium Ring Magnets |
| Shape | Ring (Custom shapes available) |
| Material | NdFeB (Neodymium Iron Boron) |
| Coating Options | Ni-Cu-Ni, Nickel, Zinc, Gold, Silver, Copper |
| Size Tolerance | ±0.05mm or ±0.1mm |
| Magnetization Direction | Multipole radial magnetization (custom directions available) |
| Grade Options | N33-N52; N33M-N50M; N33H-N48H; N30SH-N45SH; N30UH-N40UH; N28EH-N38EH; N28AH-N35AH |
| Working Temperature | Up to 80°C for N45 grade |
N45 grade provides excellent magnetic strength with Br values ranging from 11.8-12.2 kgs and Hcj ≥955 ka/m.
Tight tolerances of ±0.05mm ensure consistent performance in demanding applications.
Available in various grades, coatings, and magnetization directions to meet specific requirements.
- Electro-acoustic Devices: Loudspeakers, headphones, microphones, alarms
- Sensors & Measurement: Position sensors, speed sensors, magnetic switches
- Marine Equipment: Buoy systems, navigation devices
- Motors & Generators: DC motors, linear motors, wind turbines
- Industrial Equipment: Magnetic separators, holders, filters
All magnets are manufactured under strict quality control with certifications including ROHS, SGS, and ISO9001. Our 3000 square meter facility features first-class production equipment and comprehensive testing protocols.
Please provide the following details with your inquiry:
- Material type and required grade
- Size, shape, and dimensional tolerances
- Preferred coating type
- Application details
- Maximum working temperature
- Quantity requirements
- Magnetization direction specifications
Samples available with delivery in 3-10 days. Production orders typically ship within 10-30 days. Standard packaging includes protective cartons with plastic sacks or composite board boxes suitable for sea and air transportation.
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Have questions about our products or want to discuss a custom order? Our team is ready to help you.