Introducing our custom neodymium donut-shaped magnets, where innovative design meets exceptional magnetic performance.
These uniquely crafted magnets combine the strength of rare-earth materials with a versatile ring shape.
Offering a perfect solution for applications requiring both powerful magnetic fields and central clearance.
Key Features:
- Donut shape with customizable outer and inner diameters
- High-performance neodymium (NdFeB) material
- Flexible magnetization directions (axial, radial, or diametric)
- Wide range of grades (N35 to N52) for varied strength options
- Multiple surface treatment choices for enhanced durability
From advanced sensors and speakers to innovative industrial applications, our donut-shaped magnets provide the ideal blend of strength and design flexibility.
Explore our detailed specifications below to tailor these magnetic powerhouses to your exact requirements.
And elevate your projects to new levels of efficiency and performance.
1. Material Grades
We’d recommend to use N50 and above for such a small dimensions, in order assure sufficient pull force
- Available grades: From N35, N38, N40, to N42, N45, N48, N50, N52, N54
- Temperature grades: From standard temperature to H, SH, UH, EH, AH, TH
2. Dimensions
– The smallest hole we can drill is 0.2mm, -/+0.05mm
3. Surface Treatment
As a common practice, we offer Nickel-Copper-Nickel (Ni-Cu-Ni) plating for magnets by default.
You can pick another surface treatment from our list.
– Zinc (Zn)
– Gold (Au)
– Silver (Ag)
– Black Nickel
– PTFE (Also called Teflon)
– Epoxy
– Parylene
– Passivated (for corrosion resistance)
4. Magnetization Direction
– Axial, radial, or diametric
– Multipole magnetizations by the inner and outer diameters
5. Minimum Order Quantity
– We don’t require a fixed MOQ
– We can flexibly offer any number from just one piece
6. Quality Assurance
– Certifications: RoHS, REACH, CE, EMC, etc.
7. Packaging
– Bulk packaging using vacuum shrinking bag
– Individual packaging is available for diameter above 50mm
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