SM-03152052 D20x5mm N50 Neodymium Round Magnet, High-Strength NiCuNi Plated Rare Earth Disc Magnet
Features
· Ultra-High N50 Grade Magnetic Strength: N50 grade NdFeB material delivers exceptional magnetic performance with a residual flux density (Br) of ~14.3–14.8 kG and coercive force (Hcj) ≥ 12.0 kOe, making it one of the strongest commercially available magnet grades for compact applications.
· Premium NiCuNi Triple-Layer Coating: The multi-layer nickel-copper-nickel plating provides excellent anti-corrosion, anti-rust, and anti-scratch protection, shielding the magnet from oxidation, chemical damage, and environmental wear, extending its service life in humid or harsh conditions.
· Precision Machined Dimensions: Manufactured to precise 20×5mm specifications with tight tolerances, ensuring a smooth, uniform surface and perfect fit in custom assemblies, motors, sensors, and press-fit applications, eliminating the need for secondary machining.
· Versatile Disc Geometry: The flat, round shape offers uniform magnetic distribution across its surface, ideal for surface mounting, magnetic couplings, holding fixtures, and thin-profile applications, with a robust design resistant to chipping and breakage.
· Wide Application Compatibility: Suitable for use in consumer electronics, automotive components, industrial automation, magnetic tools, jewelry clasps, and educational projects, offering reliable performance in both static and dynamic environments.
· High Durability & Longevity: The solid NdFeB core combined with a durable NiCuNi coating ensures resistance to physical wear and environmental damage, maintaining consistent magnetic performance over extended periods of use.
· Quality Assured Manufacturing: Produced under strict quality control standards to ensure consistent magnetic properties, coating uniformity, and dimensional accuracy, meeting RoHS and REACH compliance requirements for safe, industrial-grade use.
Product Details
Introduction
This N50 grade neodymium disc magnet (20mm diameter × 5mm thickness) delivers exceptional magnetic strength in a compact, versatile form factor. Made from premium NdFeB rare earth material, it offers industry-leading performance with a maximum energy product of 50 MGOe, making it ideal for applications requiring powerful holding force in limited space.
Protected by a durable triple-layer NiCuNi coating, the magnet provides superior corrosion resistance against moisture, oxidation, and environmental wear, ensuring long-term reliability in both indoor and semi-outdoor conditions. Precision-machined to tight dimensional tolerances, its smooth, flat disc geometry allows for seamless integration into motors, sensors, magnetic assemblies, and consumer electronics. Perfect for industrial automation, automotive systems, and DIY projects, this magnet combines unmatched magnetic power with robust protection, offering a high-performance solution for your most demanding applications.