Description
HS Magnet’s Neodymium Disc Magnet (Grade N35) measures 10 mm in diameter and 3 mm in thickness, delivering exceptional magnetic strength in a compact form. Featuring a durable Ni–Cu–Ni triple-layer coating, this magnet combines high flux density with corrosion resistance for reliable performance in demanding applications.
Key Features
- Magnetic Grade: N35 (Nd₂Fe₁₄B)
- Remanence (Br): ≈ 1.17 – 1.22 T
- Maximum Energy Product (BHₘₐₓ): ≈ 33 – 37 MGOe
- Intrinsic Coercivity (Hcj): ≈ 900 – 1,000 kA/m
- Curie Temperature: ≈ 310 °C
- Maximum Operating Temperature: 80 °C
- Temperature Coefficient of Br: –0.12 %/°C
Dimensions & Tolerances
- Diameter: 10.00 mm ± 0.10 mm
- Thickness: 3.00 mm ± 0.10 mm
- Magnetization Direction: Axial (through thickness)
- Surface Finish: Precision-ground, burr-free
Coating & Customization
- Standard Coating: Ni–Cu–Ni (nickel–copper–nickel)
- Optional Coatings: Zinc, epoxy or gold plating for enhanced corrosion resistance
- Tightened Tolerances: ± 0.05 mm available on request
- Custom Magnetization: Multi-pole or radial patterns upon inquiry
- Packaging: Bulk, foam-padded or custom trays for automated assembly
Typical Applications
- Brushless DC motors and generators
- Magnetic couplings, clutches and bearings
- Sensors, encoders and actuators
- Loudspeakers, microphones and medical devices
- Magnetic separators, lifters and fixtures
- Consumer electronics and hobby projects
Why Choose HS Magnet?
- 20+ years of NdFeB R&D, casting & precision machining
- In-house magnetization, field mapping & 100 % QA inspection
- Flexible production: prototypes, small batches & mass runs
- Fast lead times and global shipping support
- Expert technical guidance for optimized magnetic solutions
Contact HS Magnet today to request samples, discuss custom coatings or magnetization patterns, and get a competitive quote for our 10 × 3 mm N35 neodymium disc magnets.
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