Block Magnet With Countersunk

This 50×25×10 mm block is a high‑energy neodymium magnet made from N52 grade NdFeB material. Its rectangular profile and strong magnetic performance make it a reliable choice for mechanical assemblies, tooling fixtures, and compact magnetic circuits where space and force must be balanced.

Compared with lower energy grades, N52 delivers higher remanence and maximum energy product within the same volume. This block magnet is often selected when design constraints demand high flux without increasing component size.

• Material: Sintered Nd–Fe–B (neodymium iron boron)
• Grade: N52 - among the highest commercially available grades for NdFeB magnets
• Shape: Rectangular block - 50 mm length, 25 mm width, 10 mm thickness
• Magnetization: Standard axial (through 10 mm thickness); custom magnetization available on request
• Surface Coating: Ni–Cu–Ni (nickel‑copper‑nickel) standard; alternative coatings such as epoxy or zinc can be specified for particular environments
• Operating Temperature: Typically up to ~80 °C; high‑temperature variants available depending on application needs

This block size is compact but packs a strong magnetic field, suitable when coupling strength, field intensity, and assembly simplicity are priorities.

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• High Magnetic Output: N52 material provides strong flux density relative to volume, useful in tight spaces.
• Dimensional Stability: Precision machining supports consistent fit in automated assembly lines and fixtures.
• Versatile Integration: Flat faces allow bonding, clamping, or press fit in various mechanical systems.
• Field Symmetry: Axial magnetization creates predictable field orientation for design calculations.

50×25×10 mm block magnets are found in:

• Compact motor and rotor assemblies
• Magnetic pickups and sensor modules
• Tool holding fixtures and jigs
• Magnetic actuators and clutch systems
• Automation equipment requiring stable magnetic force

In many cases, these magnets are bonded into housings or assemblies rather than used standalone.

We support bulk orders for industrial production and can customize block magnets according to your requirements:

• Magnetization direction (axial, radial, custom patterns)
• Surface coating suitable to the operating environment
• Tighter dimensional tolerances for automated assembly
• Matched sets or paired magnets for specific field solutions

For OEM projects, provide your drawings or CAD files. We can review and propose dimensional tolerance plans, magnetization options, and coating suggestions to match your design.

• Brittleness: NdFeB is brittle - avoid sharp impacts during handling and installation.
• Coating: Standard nickel plating protects from mild corrosion; for harsher environments consider epoxy coating.
• Mounting: Plan mechanical support or adhesive bonding; direct press fit into soft housings can lead to chipping.

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