10mm x 2mm Neodymium Disc Magnets
These high remanence heat-resistant disc magnets offer a powerful and compact magnetic solution for home projects, including creating magnetic fixtures, organising tools, or securing lightweight items. In the professional world, they are crucial in manufacturing, engineering, and product design, where their magnetic strength and precision are essential for holding and positioning small components. Furthermore, these premium quality heat-resistant disc magnets used in the energy sector, particularly in the development of renewable energy devices, where their magnetic force contributes to efficient operation. These corrosion resistant strong heat-resistant disc magnets are utilised across various industries, making them a reliable choice for both consumers and businesses.
Applications Fields
Electric Motors & Generators
Application: Precisely engineered neodymium magnets are utilized in stators, rotors, and brushless DC motor assemblies to boost magnetic flux, improve operational efficiency, and deliver higher torque output.
Consumer Electronics
Application: Advanced NdFeB magnets are incorporated into speakers, haptic feedback modules, vibration motors, and sensing devices, enabling compact product designs and stable, high-quality performance.
Security & Access Control
Application: Neodymium magnets are used in magnetic door locks, card readers, and proximity sensors, providing reliable and tamper-resistant operation.
Precision Instruments & Measurement Devices
Application: They support the functionality of gauges, encoders, magnetic couplings, and scientific instruments requiring stable magnetic fields and exact positioning.
Technical Parameters
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Item |
Specification |
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Product Name |
Heat Resistant Disc Magnets |
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Magnetic Grade |
N42 (Br ≥ 13.5 kGs, Hcj ≥ 12 kOe) |
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Dimensions |
D - 10×2mm (Customizable) |
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Dimensional Tolerance |
Length ±0.05mm, Width ±0.05mm, Thickness ±0.05mm |
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Operating Temperature |
≤80°C (High-temp version available) |
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Density |
≥7.5 g/cm³ |
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Surface Magnetic Field |
2450 ±200 Gauss (Measured with TM-801 Gauss meter) |
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Magnetic Flux |
2.3 mWb (Measured with fluxmeter) |
Manufacturing process
NdFeB rare earth magnets are produced through a controlled powder metallurgy process to achieve high magnetic performance and consistency.
Key Steps
- Alloy Preparation: High-purity Nd, Fe, and B are melted under vacuum and cast into alloy flakes or ingots.
- Powder Production: The alloy is crushed and jet-milled into fine powder using hydrogen decrepitation.
- Pressing & Alignment: The powder is aligned in a magnetic field and pressed into shape.
- Sintering & Heat Treatment: Compacts are sintered at high temperature and heat-treated to stabilize magnetic properties.
- Machining & Coating: Magnets are precision-machined and coated to improve corrosion resistance.
- Magnetization & Inspection: Finished magnets are magnetized and fully inspected before shipment.
Summary
Each step is strictly controlled to ensure reliable magnetic performance, dimensional accuracy, and product quality.
After-Sales Service Policy
- Products are supplied in compliance with customer-approved drawings, specifications, and quality requirements.
- Manufacturing defects verified within the agreed warranty period will be handled by replacement or compensation.
- Engineering support is available for material selection, magnet grade optimization, and application consultation.
- Full traceability is maintained through batch numbers and inspection documentation.
- Transportation-related claims are supported subject to carrier inspection reports and photographic evidence.
- The warranty does not cover damage resulting from abnormal use, improper storage, secondary processing, or force majeure.
- All claims must be submitted within the specified claim period after receipt of goods.
Global Shipping Capability
JinConn Magnet provides flexible and reliable logistics solutions to support our global customers. We offer sea, air, and land transportation options based on shipment size, destination, and delivery requirements.
With extensive experience in shipping magnetic products, our team ensures proper packaging, compliance with international transport regulations, and smooth customs clearance. We work closely with qualified logistics partners to ensure on-time delivery and shipment safety.
Jinconn Magnet is committed to professional service, clear communication, and dependable lead times, helping our customers receive products efficiently and without unnecessary delays.
Service Capability
Dongguan Jinconn New Material Holdings Co., Ltd. is a publicly listed high-tech enterprise dedicated to the integrated R&D, manufacturing, and sales of high-performance rare earth magnets-a core functional material for high-end manufacturing. Boasting a professional R&D team, advanced intelligent production lines, and a strict full-process quality control system, we specialize in customizing magnet solutions tailored to the diverse demands of global industrial scenarios.
★ 20+ years of magnet manufacturing expertise
★ Strict quality control & customization capability
★ Multilingual technical support with global delivery
★ RoHS and REACH compliant
Frequently Asked Questions
Q1. How does grain boundary diffusion improve high-temperature performance?
Answer:
This technology introduces heavy rare earth elements selectively at grain boundaries rather than throughout the magnet. It enhances coercivity while minimizing heavy rare earth consumption, balancing performance, cost, and resource sustainability.
Q2. Can NdFeB magnets be used in safety-critical applications?
Answer:
Yes, but only with redundant design, strict quality control, and traceability. Applications such as braking systems or medical equipment require robust validation, failure mode analysis, and long-term reliability testing.
Q3. What documentation should a professional NdFeB magnet supplier provide?
Answer:
Should provide product spec sheets, batch quality/inspection reports, material test reports (MTR), certificates of conformity (COC), standard shipping/commercial docs, and compliance certifications (RoHS/REACH/CE, plus SGS/BV test reports if required).
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