N45 Neodymium Block Magnet 4" x 1" x 1/4" Thick Rare Earth NdFeB Magnet
Quick Facts
| Attribute |
Value |
| Magnet Type |
Neodymium Rare Earth Block Magnet |
| Grade |
N45 |
| Shape |
Block |
| Length |
4" (101.6 mm) |
| Width |
1" (25.4 mm) |
| Thickness |
1/4" (6.35 mm) |
| Pull Force |
Over 75 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? |
Over 75 lbs of pull force under ideal conditions. |
| Is N45 stronger than N42? |
Yes. N45 delivers greater magnetic strength than N42, N40, N38, and N35 grades. |
| What is this magnet made of? |
Neodymium Iron Boron (NdFeB) rare earth material. |
| Which surfaces contain the poles? |
The north and south poles are located on the 4" × 1" faces. |
| What applications is it best for? |
Magnetic holding, lifting systems, industrial fixtures, automation equipment, woodworking jigs, 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 4" x 1" x 1/4" and generates over 75 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 outstanding corrosion resistance and wear protection, helping ensure long service life in demanding environments. Manufactured under ISO-certified quality standards, this magnet offers consistent magnetic performance for professional applications.
What Is a Neodymium Block Magnet?
A neodymium block magnet is a rectangular permanent magnet made from neodymium, iron, and boron (NdFeB). Its long profile and large magnetic contact area make it ideal for industrial fixtures, magnetic holding systems, lifting devices, automation equipment, robotics, woodworking, and engineering projects.
How Strong Is This Magnet?
This N45 neodymium block magnet generates over 75 lbs of pull force under ideal conditions. Actual holding strength depends on steel thickness, surface finish, air gaps, operating temperature, and mounting configuration. With a Br Max rating of 13,800 Gauss, it provides reliable magnetic performance for demanding industrial applications.
Technical Specifications
| Specification |
Value |
| Product Name |
N45 Neodymium Block Magnet |
| Material |
Neodymium Iron Boron (NdFeB) |
| Grade |
N45 |
| Shape |
Block |
| Dimensions |
4" × 1" × 1/4" |
| Coating |
Nickel-Copper-Nickel Triple Layer |
| Magnetization Direction |
Through Thickness (1/4") |
| Pole Orientation |
On the 4" × 1" Faces |
| Pull Force |
Over 75 lbs |
| Br Max |
13,800 Gauss |
| Certification |
ISO Certified |
| Maximum Operating Temperature |
176°F (80°C) |
Note: Pull force is measured under ideal laboratory conditions using a clean, flat steel surface. Actual performance may vary depending on the application.
Magnet Grade Comparison
| Grade |
Relative Strength |
Typical Applications |
| N35 |
Standard |
General-purpose magnetic assemblies |
| N38 |
Moderate |
Consumer products |
| N40 |
High |
Industrial equipment |
| N42 |
Higher |
Engineering applications |
| N45 |
Premium |
Heavy-duty industrial assemblies |
| N48 |
Very High |
High-performance equipment |
| N50 |
Ultra High |
Advanced automation |
| N52 |
Maximum |
Maximum-performance industrial systems |
Common Applications
-
Heavy-duty magnetic holding
-
Magnetic lifting systems
-
Industrial fixtures and tooling
-
Automation equipment
-
Robotics
-
Woodworking jigs and fixtures
-
Product development
-
Engineering prototypes
Frequently Asked Questions
How much weight can this magnet hold?
This magnet provides over 75 lbs of pull force under ideal conditions. Actual holding capacity depends on the steel surface, alignment, air gaps, and installation method.
Is N45 stronger than N42?
Yes. N45 magnets provide greater magnetic energy and holding force than N42 magnets of the same dimensions.
What direction is it magnetized?
The magnet is magnetized through the 1/4-inch thickness, with the north and south poles located on the 4" × 1" faces.
Can this magnet be used outdoors?
The Nickel-Copper-Nickel coating provides excellent corrosion resistance. For prolonged outdoor or marine environments, additional sealing or a protective enclosure is recommended.
What is the maximum operating temperature?
This standard N45 magnet is designed for continuous operation up to 176°F (80°C). Exposure to higher temperatures may permanently reduce magnetic strength.
Do you offer wholesale pricing?
Yes. Contact Super Magnet Store for competitive wholesale pricing and volume discounts on N45 neodymium block magnets.
Safety Notice
Neodymium magnets are extremely powerful and can snap together unexpectedly, causing serious pinch injuries or chipping. Keep away from children, pacemakers, sensitive electronics, and magnetic storage devices. Always review magnet safety guidelines before handling or installation.
Why Buy From Super Magnet Store?
-
Premium NdFeB rare earth magnets
-
High-performance N45 magnetic strength
-
Over 75 lbs of pull force
-
Strong 13,800 Gauss magnetic field
-
Nickel-Copper-Nickel triple-layer coating
-
ISO-certified manufacturing
-
Ideal for industrial holding and lifting applications
-
Wholesale pricing available
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Superior quality and consistent performance guaranteed
