N42 Neodymium Cylinder Magnet 1/4" x 1/4" Rare Earth Magnet
Quick Facts
| Attribute |
Value |
| Magnet Type |
Neodymium Rare Earth Cylinder Magnet |
| Grade |
N42 |
| Shape |
Cylinder |
| Diameter |
1/4 inch (0.250") |
| Length |
1/4 inch (0.250") |
| Pull Force |
Approx. 5.5 lbs* |
| Material |
NdFeB (Neodymium-Iron-Boron) |
| Coating |
Nickel-Copper-Nickel Triple Layer |
| Magnetization |
Through Length (Axially Magnetized) |
| Br Max |
13,200 Gauss |
| Certification |
ISO Certified |
Quick Answers
| Question |
Answer |
| How strong is this magnet? |
Approximately 5.5 lbs of pull force under ideal conditions.* |
| What is this magnet made of? |
NdFeB (Neodymium-Iron-Boron) rare earth material. |
| Is this stronger than N35 magnets? |
Yes. N42 magnets provide greater magnetic strength than N35, N38, and N40 magnets of the same dimensions. |
| Can it be used outdoors? |
Yes. The Nickel-Copper-Nickel triple-layer coating provides excellent corrosion resistance, although additional sealing is recommended for continuous outdoor or marine environments. |
| What is it commonly used for? |
Precision alignment, embedded magnetic mounts, magnetic closures, woodworking, electronics, fixtures, and DIY projects. |
Product Overview
The N42 Neodymium Cylinder Magnet 1/4" x 1/4" is designed to deliver dependable magnetic performance in a perfectly balanced cylindrical shape. With both its diameter and length measuring 1/4 inch, this compact rare earth magnet is ideal for applications requiring accurate alignment, secure positioning, and a precise fit inside drilled holes and custom assemblies.
Manufactured from premium N42 grade NdFeB (Neodymium-Iron-Boron), these cylinder magnets provide reliable holding power for woodworking, engineering, electronics, magnetic closures, product assembly, and countless DIY projects. Their symmetrical design makes installation simple while delivering consistent magnetic performance in both industrial and hobby applications.
Each magnet features a durable Nickel-Copper-Nickel triple-layer coating that provides superior protection against corrosion and wear while maintaining a smooth, polished finish. Compared to standard epoxy-coated magnets, the triple-layer nickel coating offers significantly greater long-term durability, making these magnets an excellent choice for demanding applications.
What Is a Neodymium Cylinder Magnet?
A neodymium cylinder magnet is a rod-shaped permanent magnet manufactured from neodymium, iron, and boron (NdFeB). Cylinder magnets produce a deeper magnetic field than similarly sized disc magnets and are commonly used for alignment pins, embedded mounting, magnetic latches, positioning systems, and precision mechanical assemblies.
Their balanced cylindrical shape allows them to fit neatly into drilled holes, molded components, wood, plastic, and resin while delivering exceptional magnetic performance in a compact footprint.
How Strong Is This Magnet?
This N42 cylinder magnet generates approximately 5.5 pounds of pull force under ideal conditions against a thick, flat steel surface. Its equal 1/4-inch diameter and length provide an excellent balance between magnetic strength, stability, and ease of installation.
Because cylinder magnets have a relatively small contact surface, actual pull force may vary depending on the application, mating material, surface finish, air gap, and mounting method. Testing in your specific application is recommended.
Technical Specifications
| Property |
Specification |
| Material |
Neodymium (NdFeB) |
| Grade |
N42 |
| Shape |
Cylinder |
| Diameter |
0.250 inch (1/4") |
| Length |
0.250 inch (1/4") |
| Br Max |
13,200 Gauss |
| Pull Force |
Approx. 5.5 lbs* |
| Coating |
Nickel-Copper-Nickel Triple Layer |
| Magnetization |
Through Length (Axially Magnetized) |
| Certification |
ISO Certified |
Magnet Grade Comparison
| Grade |
Relative Strength |
Typical Applications |
| N35 |
Standard |
General purpose |
| N38 |
Moderate |
Consumer products |
| N40 |
High |
Industrial |
| N42 |
Higher |
Engineering, woodworking, electronics |
| N52 |
Maximum |
High-performance applications |
Cylinder Magnet Size Comparison
| Size |
Typical Use |
| Small |
Precision electronics, sensors, crafts |
| Medium |
Magnetic closures, woodworking, assemblies |
| Large |
Industrial fixtures and heavy-duty holding |
Applications by Industry
| Industry |
Common Uses |
| Manufacturing |
Fixtures, locating pins, assembly tooling |
| Robotics |
Sensors, positioning systems, actuators |
| Electronics |
Components, connectors, embedded devices |
| Education |
STEM projects and engineering demonstrations |
| DIY |
Woodworking, resin projects, hobby builds, organization |
Common Questions About This Magnet
What is the pull force?
This magnet provides approximately 5.5 pounds of pull force under ideal conditions. Actual holding force may vary depending on the application and contact surface.
Is N42 stronger than N35?
Yes. N42 magnets provide noticeably greater magnetic strength than N35 magnets while offering an excellent balance of performance and value.
Can it rust?
Like all neodymium magnets, the core material can corrode if exposed. The Nickel-Copper-Nickel triple-layer coating provides significantly greater durability and corrosion resistance than standard epoxy-coated magnets.
Can it be used outdoors?
Yes. The triple-layer nickel coating offers excellent protection against moisture and oxidation. For continuous outdoor or marine environments, additional sealing is recommended.
What direction is it magnetized?
This cylinder magnet is axially magnetized through its length, with the north and south poles located on the two circular ends.
Do you offer bulk discounts?
Yes. Super Magnet Store offers competitive wholesale pricing and quantity discounts for manufacturers, distributors, educational institutions, retailers, and OEM customers.
Why Buy From Super Magnet Store?
-
Premium NdFeB rare earth magnets
-
ISO-certified quality
-
Durable Nickel-Copper-Nickel triple-layer coating
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Superior corrosion resistance compared to epoxy-coated magnets
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Consistent magnetic performance
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Precision manufacturing tolerances
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Bulk discounts available
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Fast shipping from a trusted magnet supplier
*Pull force is approximate. Because cylinder magnets have a relatively small contact surface, actual holding force may vary depending on the application, material thickness, surface finish, and air gap. Testing in your specific application is recommended.
