N42 Neodymium Block Magnet 4" x 4" x 1" Thick Industrial Rare Earth NdFeB Magnet
Quick Facts
| Attribute |
Value |
| Magnet Type |
Industrial Neodymium Rare Earth Block Magnet |
| Grade |
N42 |
| Shape |
Block |
| Length |
4" (101.6 mm) |
| Width |
4" (101.6 mm) |
| Thickness |
1" (25.4 mm) |
| Pull Force |
Over 700 lbs |
| Material |
NdFeB (Neodymium-Iron-Boron) |
| Coating |
Nickel-Copper-Nickel (Ni-Cu-Ni) Triple Layer |
| Magnetization |
Through Thickness |
| Br Max |
13,200 Gauss |
| Certification |
ISO Certified |
Quick Answers
| Question |
Answer |
| How strong is this magnet? |
Over 700 lbs of pull force under ideal conditions. |
| Is N42 stronger than N35? |
Yes. N42 delivers greater magnetic strength than 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" × 4" faces. |
| What applications is it best for? |
Industrial lifting, magnetic fixtures, manufacturing, material handling, automation, generators, and heavy-duty engineering projects. |
Product Overview
Neodymium magnets are the world's strongest commercially available permanent magnets. Super Magnet Store offers premium-quality N42 industrial neodymium block magnets manufactured to stringent quality standards using advanced production technology. These magnets provide exceptional magnetic strength, reliable performance, and long-term durability for industrial, commercial, and engineering applications.
This N42 neodymium block magnet measures 4" x 4" x 1" and produces over 700 lbs of pull force under ideal conditions. Manufactured from neodymium, iron, boron, and other rare earth elements, it delivers stronger magnetic performance than N40, N38, and N35 grades.
The Nickel-Copper-Nickel triple-layer coating provides outstanding corrosion resistance and surface durability while protecting the magnet in demanding industrial environments. Its large 4-inch square contact area makes it an excellent choice for heavy-duty magnetic holding, lifting, fixturing, and manufacturing applications.
What Is an Industrial Neodymium Block Magnet?
An industrial neodymium block magnet is a high-strength permanent magnet made from neodymium, iron, and boron (NdFeB). Designed for demanding industrial environments, large block magnets provide exceptional holding force and broad contact surfaces, making them ideal for magnetic lifting systems, automation equipment, manufacturing fixtures, generators, material handling, and custom engineering projects.
How Strong Is This Magnet?
This N42 neodymium block magnet generates over 700 lbs of pull force under ideal conditions. Actual holding strength depends on factors including steel thickness, surface finish, air gaps, operating temperature, and mounting configuration. With a Br Max rating of 13,200 Gauss, it delivers powerful and reliable magnetic performance for industrial applications.
Technical Specifications
| Specification |
Value |
| Product Name |
N42 Industrial Neodymium Block Magnet |
| Material |
Neodymium Iron Boron (NdFeB) |
| Grade |
N42 |
| Shape |
Block |
| Dimensions |
4" × 4" × 1" (101.6 × 101.6 × 25.4 mm) |
| Coating |
Nickel-Copper-Nickel Triple Layer |
| Magnetization Direction |
Through Thickness (1") |
| Pole Orientation |
On the 4" × 4" Faces |
| Pull Force |
Over 700 lbs |
| Br Max |
13,200 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 varies depending on the application and mounting conditions.
Magnet Grade Comparison
| Grade |
Relative Strength |
Typical Applications |
| N35 |
Standard |
General-purpose magnetic assemblies |
| N38 |
Moderate |
Consumer products |
| N40 |
High |
Industrial equipment |
| N42 |
Higher |
Heavy-duty industrial applications |
| N45 |
Premium |
High-performance machinery |
| N48 |
Very High |
Industrial automation |
| N50 |
Ultra High |
Advanced engineering |
| N52 |
Maximum |
Maximum-performance industrial systems |
Common Applications
-
Heavy-duty magnetic lifting
-
Industrial holding systems
-
Manufacturing fixtures and tooling
-
Material handling equipment
-
Industrial automation
-
Generator and motor assemblies
-
Engineering prototypes
-
Scientific and research equipment
Frequently Asked Questions
How much weight can this magnet hold?
This magnet provides over 700 lbs of pull force under ideal laboratory conditions. Actual holding capacity depends on steel thickness, surface finish, alignment, air gaps, and installation method.
Is N42 stronger than N35?
Yes. N42 provides significantly greater magnetic energy and holding force than N35 magnets of the same size.
What direction is it magnetized?
The magnet is magnetized through the 1-inch thickness, with the north and south poles located on the 4" × 4" faces.
Can this magnet be used outdoors?
The Nickel-Copper-Nickel coating offers excellent corrosion resistance. For continuous outdoor or marine exposure, additional sealing or a protective enclosure is recommended.
What is the maximum operating temperature?
This standard N42 magnet is designed for continuous operation up to 176°F (80°C). 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 industrial neodymium block magnets.
Safety Notice
This is an extremely powerful industrial neodymium magnet capable of generating over 700 lbs of attractive force. Improper handling can result in severe pinch injuries, broken bones, or shattered magnets. Always use appropriate lifting techniques and personal protective equipment when handling large magnets. Keep away from children, pacemakers, sensitive electronics, magnetic storage devices, and loose ferrous objects. Review all magnet safety guidelines before handling or installation.
Why Buy From Super Magnet Store?
-
Premium NdFeB rare earth magnets
-
Powerful N42 industrial magnetic performance
-
Over 700 lbs of pull force
-
Strong 13,200 Gauss magnetic field
-
Nickel-Copper-Nickel triple-layer coating
-
ISO-certified manufacturing
-
Ideal for industrial lifting, automation, generators, and heavy-duty holding
-
Wholesale pricing available
-
Superior quality and consistent performance guaranteed
