1" x 3/8" N52 Neodymium Disc Magnets – Strong Rare Earth Magnets
Quick Facts
| Attribute |
Value |
| Magnet Type |
Neodymium Rare Earth Disc Magnet |
| Grade |
N52 |
| Shape |
Disc |
| Diameter |
1" (25.4 mm) |
| Thickness |
3/8" (0.375" / 9.53 mm) |
| Pull Force |
Approximately 41 lbs* |
| Material |
NdFeB (Neodymium-Iron-Boron) |
| Coating |
Nickel-Copper-Nickel (Ni-Cu-Ni) Triple Layer |
| Magnetization |
Through Thickness |
| Br Max |
14,800 Gauss |
| Certification |
ISO Certified |
*Note: Actual pull force may vary depending on the application, contact surface, steel thickness, and mounting method. Testing in your specific application is recommended.
Quick Answers
| Question |
Answer |
| How strong is this magnet? |
Approximately 41 lbs of pull force under ideal conditions. |
| What is this magnet made of? |
NdFeB (Neodymium-Iron-Boron) rare earth material. |
| Is N52 stronger than N42 magnets? |
Yes. N52 is the highest commercially available neodymium grade and provides greater magnetic strength than N50, N48, N45, N42, N40, N38, and N35 magnets. |
| Can it be used outdoors? |
Yes, but additional sealing is recommended for long-term outdoor or marine environments. |
| What is it commonly used for? |
Heavy-duty magnetic fixtures, woodworking, robotics, industrial equipment, product assemblies, magnetic closures, and DIY projects. |
Product Overview
These 1" x 3/8" N52 Neodymium Disc Magnets are engineered to deliver maximum holding power in a compact, heavy-duty design. The 1-inch diameter provides a large magnetic contact surface, while the substantial 3/8-inch thickness creates a deep magnetic field capable of producing approximately 41 pounds of pull force.
Manufactured from premium N52 grade NdFeB (Neodymium-Iron-Boron), these magnets provide the highest commercially available magnetic strength, making them ideal for demanding industrial, commercial, and engineering applications. Whether you're building magnetic fixtures, installing hidden magnetic catches, fabricating equipment, or working on custom projects, these magnets deliver dependable performance and exceptional holding power.
Each magnet is protected with a durable Nickel-Copper-Nickel (Ni-Cu-Ni) triple-layer coating, providing excellent resistance to corrosion, scratches, and chipping while maintaining a smooth, polished metallic finish.
What Is a Neodymium Disc Magnet?
A neodymium disc magnet is a permanent magnet manufactured from NdFeB (Neodymium-Iron-Boron), the strongest commercially available magnetic material. Disc magnets provide exceptional magnetic strength in a compact, low-profile shape, making them one of the most versatile magnet styles available.
This magnet is magnetized through its thickness, placing the north and south poles on the two flat circular faces. Disc magnets are widely used in manufacturing, woodworking, robotics, electronics, product assemblies, magnetic closures, fixtures, and countless industrial and DIY 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 3/8" N52 disc magnet provides approximately 41 pounds of pull force under ideal laboratory conditions using a thick, clean steel surface.
Actual holding force depends on several factors, including:
- Surface material
- Steel thickness
- Contact area
- Air gap
- Mounting method
- Environmental conditions
For maximum holding performance, use this magnet against a clean, flat, thick steel surface.
Note: Pull force values are estimates based on ideal laboratory conditions. Actual performance should always be verified for your intended application.
Technical Specifications
| Specification |
Value |
| Magnet Type |
Neodymium Rare Earth Disc Magnet |
| Grade |
N52 |
| Shape |
Disc |
| Diameter |
1" (25.4 mm) |
| Thickness |
3/8" (0.375" / 9.53 mm) |
| Material |
NdFeB (Neodymium-Iron-Boron) |
| Coating |
Nickel-Copper-Nickel Triple Layer |
| Magnetization |
Through Thickness |
| Pull Force |
Approximately 41 lbs* |
| Br Max |
14,800 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, commercial, and everyday 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 and manufacturing |
| N48 |
Extremely High |
Precision industrial equipment |
| N52 |
Maximum |
High-performance industrial, robotics, and heavy-duty applications |
Disc Magnet Size Comparison
| Size |
Typical Use |
| Small |
Crafts, sensors, lightweight projects |
| Medium |
General holding and magnetic fixtures |
| 1" x 3/8" |
Heavy-duty fixtures, woodworking, industrial equipment, robotics |
| Large |
Maximum-strength industrial mounting |
Applications by Industry
| Industry |
Common Uses |
| Manufacturing |
Magnetic fixtures, jigs, production equipment |
| Engineering |
Product development and prototyping |
| Robotics |
Positioning systems and magnetic attachments |
| Woodworking |
Hidden magnetic catches, cabinet doors, furniture |
| Industrial |
Equipment mounting and magnetic holding systems |
| DIY & Makers |
Workshop organization, custom builds, home improvement |
Common Questions About This Magnet
What is the pull force?
This magnet provides approximately 41 pounds of pull force under ideal testing conditions.
Is N52 stronger than N42 magnets?
Yes. N52 is the strongest commercially available neodymium magnet grade and delivers greater magnetic strength than N42 magnets of the same dimensions.
Can this magnet rust?
The Nickel-Copper-Nickel triple-layer coating provides excellent corrosion protection. If the coating becomes damaged and the magnet is exposed to moisture, corrosion may occur over time.
Can it be used outdoors?
Yes. However, additional sealing is recommended for long-term outdoor or marine applications.
What direction is it magnetized?
This magnet is magnetized through its 3/8-inch thickness, with the north and south poles located on the two flat circular faces.
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 N52 NdFeB rare earth magnets
- ISO-certified quality
- Maximum-strength N52 grade
- 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, woodworkers, and DIY professionals worldwide
