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SKU: NB066

2.5 in x 0.4 in x 0.2 in Strong Neodymium Magnet Block N45

$ 5.89
$ 5.89

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N45 Neodymium Block Magnet 2.5" x 0.4" x 0.2" Thick Rare Earth NdFeB Magnet

Quick Facts

Attribute Value
Magnet Type Neodymium Rare Earth Block Magnet
Grade N45
Shape Block
Length 2.5" (63.5 mm)
Width 0.4" (10.16 mm)
Height 0.2" (5.08 mm)
Pull Force Approx. 22 lbs
Material NdFeB (Neodymium-Iron-Boron)
Coating Nickel-Copper-Nickel (Ni-Cu-Ni)
Magnetization Through Thickness
Br Max 13,800 Gauss
Certification ISO Certified

Quick Answers

Question Answer
How strong is this magnet? Approximately 22 lbs of pull force under ideal conditions.
Is N45 stronger than N42? Yes. N45 is stronger than N42, N40, N38, and N35 grades.
What is this magnet made of? NdFeB (Neodymium-Iron-Boron) rare earth material.
Can this magnet rust? The Nickel-Copper-Nickel coating provides excellent corrosion resistance, but prolonged exposure to moisture or coating damage may eventually lead to corrosion.
What is it commonly used for? Industrial fixtures, magnetic holding, robotics, sensors, automation equipment, and engineering projects.

Product Overview

Neodymium magnets are the world's strongest commercially available permanent magnets. Super Magnet Store offers premium-quality N45 neodymium block magnets manufactured to stringent quality standards using advanced production technology. These magnets provide exceptional magnetic strength, dependable performance, and long-term durability for industrial, commercial, and engineering applications.

This N45 neodymium block magnet measures 2.5" x 0.4" x 0.2" and generates approximately 22 lbs of pull force under ideal conditions. Manufactured from neodymium, iron, boron, and other minor elements, it delivers stronger magnetic performance than N42, N40, N38, and N35 grades.

The Nickel-Copper-Nickel triple-layer coating provides superior protection against corrosion and wear while maintaining long-term magnetic performance.

What Is a Neodymium Block Magnet?

A neodymium block magnet is a rectangular rare earth permanent magnet made from neodymium, iron, and boron (NdFeB). Block magnets provide exceptional holding force in a compact profile, making them ideal for industrial equipment, manufacturing fixtures, automation systems, robotics, sensors, and engineering projects.

How Strong Is This Magnet?

This N45 neodymium block magnet generates approximately 22 lbs of pull force under ideal conditions. Actual holding strength depends on steel thickness, surface finish, air gaps, temperature, and mounting configuration. With a Br Max rating of 13,800 Gauss, it delivers dependable magnetic performance for industrial and commercial applications.

Technical Specifications

Specification Value
Product Name N45 Neodymium Block Magnet
Material Neodymium Iron Boron (NdFeB)
Grade N45
Shape Block
Length 2.5" (63.5 mm)
Width 0.4" (10.16 mm)
Thickness 0.2" (5.08 mm)
Coating Nickel-Copper-Nickel Triple Layer
Magnetization Direction Through Thickness (0.2")
Pole Orientation On the 2.5" x 0.4" Surfaces
Pull Force Approx. 22 lbs
Br Max 13,800 Gauss
Certification ISO Certified
Operating Temperature Up to 176°F (80°C)

Note: Pull force is an estimate only and should be tested for your specific application.

Magnet Grade Comparison

Grade Relative Strength Typical Applications
N35 Standard General purpose
N38 Moderate Consumer products
N40 High Industrial
N42 Higher Engineering
N45 Premium High-performance industrial applications
N48 Very High Heavy-duty assemblies
N50 Ultra High Industrial automation
N52 Maximum Mission-critical applications

Applications by Industry

Industry Common Uses
Manufacturing Fixtures & tooling
Automation Positioning systems
Robotics Motion and control systems
Electronics Sensor mounting
Engineering Product development
Scientific Research Experimental assemblies
Material Handling Magnetic holding and retention

Common Questions About This Magnet

How much weight can this magnet hold?

This magnet provides approximately 22 lbs of pull force under ideal conditions. Actual holding capacity depends on surface material, steel thickness, air gaps, and application design.

Is N45 stronger than N42?

Yes. N45 magnets provide greater magnetic energy and holding force than N42 magnets of the same dimensions.

Can this magnet be used outdoors?

The Nickel-Copper-Nickel coating provides excellent corrosion resistance, but additional protection is recommended for prolonged outdoor exposure.

Can it rust?

The protective nickel coating helps resist corrosion; however, damage to the coating or prolonged moisture exposure may eventually allow corrosion to develop.

What direction is it magnetized?

This magnet is magnetized through the 0.2-inch thickness, with the north and south poles located on the 2.5" x 0.4" flat surfaces.

Do you offer wholesale pricing?

Yes. Contact Super Magnet Store for competitive volume pricing and wholesale discounts on N45 neodymium block magnets.

Safety Notice

These neodymium magnets are extremely powerful. Handle with care to avoid pinch injuries, chipping, or breakage. Keep away from children, pacemakers, sensitive electronics, and magnetic storage devices. Always review magnet safety guidelines before use.

Why Buy From Super Magnet Store?

  • Premium NdFeB rare earth magnets

  • High-performance N45 magnetic strength

  • Approximate 22 lb pull force

  • Strong 13,800 Gauss magnetic field

  • Nickel-Copper-Nickel triple-layer coating

  • ISO-certified manufacturing

  • Competitive pricing

  • Wholesale discounts available

  • Superior quality and performance guaranteed

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Total price$ 46.71

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