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SKU: ND062-D

Neodymium Magnet 1 in x 1 in with 1/4 in Hole Diametrically Magnetized

$ 29.69
$ 29.69

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1" x 1" N42 Neodymium Cylinder Magnet with 1/4" Center Hole – Diametrically Magnetized Rare Earth Magnet

Quick Facts

Attribute Value
Magnet Type Neodymium Rare Earth Cylinder Magnet with Center Hole
Grade N42
Shape Cylinder with Center Hole
Diameter 1" (25.4 mm)
Height 1" (25.4 mm)
Center Hole 1/4" (0.25")
Pull Force Approximately 60 lbs*
Material NdFeB (Neodymium-Iron-Boron)
Coating Nickel-Copper-Nickel (Ni-Cu-Ni) Triple Layer
Magnetization Diametrically Magnetized (Through 1" Diameter)
Br Max 13,200 Gauss
Certification ISO Certified

*Note: Actual pull force may vary depending on the application, contact surface, steel thickness, magnetic orientation, and mounting method. Testing in your specific application is recommended.

Quick Answers

Question Answer
How strong is this magnet? Approximately 60 lbs of pull force under ideal conditions.
What is this magnet made of? NdFeB (Neodymium-Iron-Boron) rare earth material.
Is N42 stronger than N35 magnets? Yes. N42 provides greater magnetic strength than N40, N38, and N35 magnets of the same size.
Can it be used outdoors? Yes, but additional sealing is recommended for long-term outdoor or marine environments.
What is it commonly used for? Rotary assemblies, magnetic couplings, shafts, motors, robotics, sensors, engineering projects, and custom mechanical systems.

Product Overview

These 1" x 1" N42 Neodymium Cylinder Magnets with a 1/4" Center Hole are designed for applications requiring both powerful magnetic performance and a central mounting or shaft opening. The 1-inch diameter and 1-inch height create a balanced cylindrical profile, while the 1/4-inch center hole allows the magnet to be mounted on shafts, rods, or custom hardware for rotating and precision assemblies.

Unlike standard axial magnets, this model is diametrically magnetized through the 1-inch diameter, placing the magnetic poles on opposite curved sides rather than on the flat ends. This magnetic orientation is ideal for rotating components, magnetic couplings, encoder systems, motors, and specialized engineering applications.

Manufactured from premium N42 grade NdFeB (Neodymium-Iron-Boron), these magnets deliver dependable magnetic performance with approximately 60 pounds of pull force. A durable Nickel-Copper-Nickel (Ni-Cu-Ni) triple-layer coating provides excellent resistance to corrosion, scratches, and chipping while maintaining a smooth, polished finish.

What Is a Diametrically Magnetized Neodymium Cylinder Magnet?

A diametrically magnetized neodymium cylinder magnet is a permanent NdFeB (Neodymium-Iron-Boron) magnet whose north and south poles are located on opposite sides of the cylinder's curved surface rather than on the flat ends.

This magnetic orientation creates a lateral magnetic field that is ideal for rotating assemblies, magnetic couplings, encoders, motors, and precision positioning systems. The integrated 1/4-inch center hole allows the magnet to be mounted directly onto shafts or custom hardware, making it especially useful for mechanical and automation applications.

Neodymium magnets are also commonly known as Neo magnets, NdFeB magnets, NIB magnets, or super magnets.

How Strong Is This Magnet?

This 1" x 1" N42 cylinder magnet provides approximately 60 pounds of pull force under ideal laboratory conditions.

Actual holding force depends on:

  • Surface material
  • Steel thickness
  • Contact area
  • Air gap
  • Magnetic orientation
  • Mounting method
  • Environmental conditions

Because this magnet is diametrically magnetized, its magnetic field behaves differently than a standard axially magnetized cylinder. Performance should always be evaluated for your intended application.

Note: Pull force values are estimates based on ideal laboratory conditions. Actual performance should always be verified before use.

Technical Specifications

Specification Value
Magnet Type Neodymium Rare Earth Cylinder Magnet with Center Hole
Grade N42
Shape Cylinder with Center Hole
Diameter 1" (25.4 mm)
Height 1" (25.4 mm)
Center Hole 1/4" (0.25")
Material NdFeB (Neodymium-Iron-Boron)
Coating Nickel-Copper-Nickel Triple Layer
Magnetization Diametrically Magnetized (Through Diameter)
Pull Force Approximately 60 lbs*
Br Max 13,200 Gauss
Certification ISO Certified

Nickel-Copper-Nickel Triple-Layer Coating

Every magnet features a Nickel-Copper-Nickel (Ni-Cu-Ni) triple-layer coating for superior durability and corrosion resistance.

Benefits

  • Excellent scratch resistance
  • Superior resistance to chipping and cracking
  • Outstanding corrosion protection
  • Smooth, polished metallic finish
  • Long-lasting durability for industrial and commercial applications

Magnet Grade Comparison

Grade Relative Strength Typical Applications
N35 Standard General-purpose magnets
N38 Moderate Consumer products
N40 High Industrial applications
N42 Higher Engineering, automation, robotics
N48 Extremely High Heavy-duty industrial equipment
N52 Maximum Highest-performance industrial applications

Cylinder Magnet Size Comparison

Size Typical Use
Small Sensors, electronics, crafts
Medium General holding and magnetic fixtures
1" x 1" with 1/4" Center Hole Rotary systems, couplings, shafts, robotics, automation
Large Heavy-duty industrial applications

Applications by Industry

Industry Common Uses
Manufacturing Magnetic fixtures and specialized tooling
Engineering Rotary mechanisms and prototypes
Robotics Actuators, positioning systems, rotating assemblies
Automation Magnetic couplings, encoder systems, shaft-mounted components
Research Laboratory equipment and testing
OEM Manufacturing Custom machinery and precision assemblies

Common Questions About This Magnet

What is the pull force?

This magnet provides approximately 60 pounds of pull force under ideal testing conditions.

What does diametrically magnetized mean?

It means the north and south poles are located on opposite curved sides of the cylinder, creating a magnetic field across the diameter instead of through the length.

What is the purpose of the 1/4-inch center hole?

The center hole allows the magnet to be mounted onto shafts, rods, bolts, or custom hardware, making it ideal for rotating and mechanical applications.

Can this magnet rust?

The Nickel-Copper-Nickel triple-layer coating helps protect against corrosion. If the coating becomes damaged and moisture reaches the magnet, corrosion may occur over time.

Can it be used outdoors?

Yes. However, additional sealing is recommended for long-term outdoor or marine environments.

Do you offer bulk discounts?

Yes. Contact Super Magnet Store for wholesale pricing and volume discounts on large quantity orders.

Why Buy From Super Magnet Store?

  • Premium N42 NdFeB rare earth magnets
  • ISO-certified quality
  • Precision 1/4" center hole for shaft and mounting applications
  • Diametrically magnetized for specialized rotary applications
  • Durable Nickel-Copper-Nickel triple-layer coating
  • Excellent corrosion resistance
  • Consistent magnetic performance
  • Precision manufacturing for reliable results
  • Competitive wholesale pricing
  • Bulk discounts available
  • Trusted by manufacturers, engineers, OEMs, and robotics professionals worldwide

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Total price$ 119.15

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