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  4. 20x10x15mm Neodymium Block Magnet N35 Grade Super Strong Rare Earth Magnet
  5. 🧲 Ferrite & Neodymium Magnets
Pricelist: Retail Price (B2C) Pricelist
Pricelist: Retail Price (B2C) Pricelist
20x10x15mm Neodymium Block Magnet N35 Grade Super Strong Rare Earth Magnet

20x10x15mm Neodymium Block Magnet N35 Grade Super Strong Rare Earth Magnet

ComponentSpecification
Magnet TypeNeodymium (NdFeB)
ShapeBlock / Rectangular
Length20mm
Width10mm
Thickness15mm
GradeN35
CoatingNickel-Copper-Nickel (Ni-Cu-Ni)
MagnetizationAxial (Through 15mm Thickness)
                                 Price

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₹ 33.90 ₹ 33.90
(Tax included)

Barcode: 32791367

Product Description The 20mm x 10mm x 15mm Neodymium Block Magnet is a specialized heavy-duty magnet featuring a unique 15mm thickness. This substantial depth allows for a much deeper magnetic reach compared to flat disc magnets. Each block is manufactured from high-grade N35 neodymium and protected by a Ni-Cu-Ni triple-layer coating, providing a smooth, professional finish and essential resistance to corrosion.

Key Features

  • Massive Magnetic Depth: The 15mm thickness generates a concentrated magnetic field that extends further from the surface.

  • High Pull Force: N35 grade material provides a superior power-to-weight ratio for industrial-strength holding.

  • Durable Protection: Triple nickel plating prevents the brittle core from oxidizing and adds a polished look.

  • Precision Geometry: Clean rectangular edges make it easy to mount into custom milled slots or 3D-printed housings.

  • Axial Alignment: Magnetized through the 15mm thickness, placing the poles on the 20x10mm faces for maximum grip.

Technical Details

  • Material: Sintered Neodymium-Iron-Boron.

  • Max Operating Temp: 80°C.

  • Dimensional Tolerance: ±0.1mm.

Prototyping and Engineering Tips from Robogears

  • Deep-Reach Latching: Because this magnet is 15mm thick, it is perfect for applications where the magnet must act through a thick non-magnetic barrier, such as a wooden tabletop or a thick plastic robot shell.

  • Separation Technique: These magnets are extremely difficult to pull apart directly. Always slide them sideways to break the magnetic bond.

  • Shock Sensitivity: Neodymium is essentially a metallic ceramic. If you allow two blocks to "slam" together, they will likely shatter or chip. Use spacers when storing them together.

  • Glue Selection: For a permanent bond, use a high-strength epoxy. Because the nickel coating is very smooth, it helps to lightly scuff the bonding surface with 400-grit sandpaper first.

Package Includes

  • 1 x 20mm x 10mm x 15mm Neodymium Block Magnet

Disclaimer Images are for reference; actual dimensions may vary slightly by production batch. SAFETY WARNING: This is a very powerful magnet. Keep away from children, pacemakers, and sensitive electronics like hard drives or credit cards.

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