Magnet CM42
Magnet CM42 is a high-strength industrial magnet with a 42 mm diameter and up to 35 kg pull force, designed for precision and durability.
Its triple-layer Nickel-Copper-Nickel coating ensures corrosion resistance, making it suitable for harsh environments.
Ideal for manufacturing, marine, and engineering applications, it offers reliable performance and long service life.
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Magnet CM42 is a high-performance industrial magnet known for its powerful magnetic force, durability, and versatility in various applications. It is widely used in manufacturing, electronics, automotive systems, and specialized engineering projects. The CM42 model stands out for its ability to provide consistent magnetic performance under demanding conditions. Whether you are looking for a magnet for heavy-duty lifting, precise positioning, or sensor-based applications, the Magnet CM42 offers a balance of strength, stability, and efficiency.

price Magnet CM42
Key Specifications of Magnet CM42
Before deciding on purchasing the Magnet CM42, it is important to understand its technical specifications. These details help ensure the magnet suits your intended application.
Technical Dimensions and Materials
The CM42 model is designed with precision manufacturing to ensure uniformity in size and performance.
Core Materials
The magnet is typically made from high-grade neodymium or ferrite, depending on the variant, ensuring both strength and resistance to demagnetization.
Technical Specifications of Magnet CM42
| Specification | Detail |
|---|---|
| Diameter | 42 mm |
| Thickness | 10 mm |
| Magnetic Grade | N42 or equivalent |
| Pulling Force | Up to 35 kg |
| Coating | Nickel-Copper-Nickel |
| Operating Temperature | -20°C to +80°C |
Advantages of Using Magnet CM42
The Magnet CM42 offers several benefits that make it a preferred choice in many industries.
High Magnetic Strength
With a pulling force of up to 35 kg, it can handle heavy-duty tasks effectively.
Durable Protective Coating
The triple-layer Nickel-Copper-Nickel coating protects against corrosion, ensuring a longer lifespan even in challenging environments.
Compact Yet Powerful Design
Its 42 mm diameter makes it suitable for both small-scale and industrial-level applications without compromising on strength.
Popular Applications of Magnet CM42
Magnet CM42 is widely used across industries due to its adaptability.
Industrial Manufacturing
Used for holding, lifting, and positioning metal components during assembly and production processes.
Fixture and Clamping Solutions
In CNC machining and welding, the Magnet CM42 serves as a reliable fixture, reducing setup times and improving precision.
Electronics and Sensors
Integrated into devices where magnetic sensing or holding is required.
Magnetic Switches and Reed Sensors
Its stable magnetic field makes it suitable for triggering reed switches or hall-effect sensors.
Buying Guide for Magnet CM42
Selecting the right Magnet CM42 involves understanding your project requirements, budget, and quality standards.
Assessing Magnetic Strength Requirements
Consider the pulling force needed for your application. A 35 kg pull is ideal for industrial lifting, while lighter tasks may require lower strength.
Weight-to-Force Ratio
Always calculate the maximum load your magnet will need to hold. Overestimating strength can lead to unnecessary costs, while underestimating can result in safety issues.
Choosing the Right Coating
Different coatings offer varying levels of corrosion resistance. The Nickel-Copper-Nickel coating on the CM42 provides balanced durability and cost-effectiveness.
Environmental Considerations

buy Magnet CM42
If you plan to use the magnet in a humid or marine environment, ensure the coating is resistant to rust and moisture.
Price Analysis of Magnet CM42
Prices for the Magnet CM42 vary depending on factors like material grade, coating type, and supplier location.
Price Comparison of Magnet CM42 Models
| Model Variant | Coating Type | Pull Force | Price Range (USD) |
|---|---|---|---|
| CM42 Standard | Nickel-Copper-Nickel | 35 kg | $4.50 – $6.00 |
| CM42 Marine Grade | Epoxy Coated | 35 kg | $5.50 – $7.50 |
| CM42 High-Temperature | Heat-Resistant Coating | 30 kg | $6.00 – $8.00 |
Performance and Quality Standards
Ensuring your Magnet CM42 meets industry standards is critical for safety and longevity.
International Quality Certifications
Look for ISO-certified manufacturers to guarantee the magnet’s performance and material consistency.
Testing for Pull Force Accuracy
Quality testing ensures the stated pulling force matches real-world performance.
Maintenance Tips for Magnet CM42
Proper care will extend the lifespan of your magnet and maintain its performance.
Cleaning and Storage
Keep the magnet clean from metallic debris that can affect its magnetic field. Store it in a dry environment away from other magnetic-sensitive devices.
Avoiding Heat Exposure
Excessive heat can weaken the magnetic properties, especially for neodymium-based CM42 magnets.
Inspecting for Coating Damage
Regularly check the coating for scratches or chips to prevent rust formation.
Different Types of Magnet CM42
Although the CM42 designation refers to a specific size, there are several variations to meet diverse operational needs.
Standard CM42 Magnet
The standard version is made with neodymium and coated with Nickel-Copper-Nickel. It’s ideal for most industrial and DIY uses.
Common Use Cases
From workshop tool holders to machinery parts alignment, this model covers the widest range of applications.
Marine-Grade CM42 Magnet
Specially coated with epoxy for superior corrosion resistance in wet or salty environments.
Applications in Marine Engineering
Used for securing equipment on ships, docks, and underwater ROV systems.
High-Temperature CM42 Magnet
Designed to operate in environments exceeding 80°C, using heat-resistant materials.
Aerospace and Automotive Applications
Suitable for brake systems, sensors, and high-friction industrial equipment.
Advanced Applications of Magnet CM42 in Engineering
Robotics and Automation
Magnets like the CM42 are often used for gripping systems, robotic arms, and material sorting lines.
Magnetic Grippers
Provide a non-mechanical way to hold and release parts, reducing wear and tear compared to mechanical clamps.
Renewable Energy Systems
Utilized in wind turbine generators and wave energy converters for consistent magnetic performance.
Generator Efficiency
The CM42’s strong magnetic field helps in maximizing energy conversion efficiency in alternators and turbines.
Safety Precautions When Using Magnet CM42
Magnets with strong pull force require careful handling to avoid injury or equipment damage.
Personal Safety Measures
Always wear protective gloves when handling to prevent pinching injuries.
Safe Distance from Electronics
Keep the magnet away from hard drives, pacemakers, and sensitive medical devices to prevent malfunction.
Workplace Guidelines
Store magnets in designated areas with proper warning labels to inform staff of magnetic hazards.
Packaging for Shipment
Follow international shipping regulations, including shielding requirements for strong magnets.
Troubleshooting Common Issues with Magnet CM42
Weakening Magnetic Strength
Caused by excessive heat, strong opposing magnetic fields, or physical damage.
Solution
Inspect for coating damage, avoid high-temperature exposure, and keep the magnet away from other strong magnets.
Corrosion on Magnet Surface
Occurs when the protective coating is damaged.
Solution
Apply a protective sealant or replace the magnet if corrosion is severe.
Frequently Asked Questions About Magnet CM42
What is the maximum pull force of the Magnet CM42?
The standard Magnet CM42 offers a pull force of up to 35 kg, depending on the material and surface contact quality.
Can Magnet CM42 be used in underwater environments?
Yes, if you choose the marine-grade epoxy-coated version, it can withstand long-term exposure to water and salty environments.
How should I store Magnet CM42 when not in use?
Store it in a dry environment, preferably in a padded container, to avoid physical damage or unwanted magnetic interference.
Is the Magnet CM42 safe to use near electronics?

Magnet CM42
No, it should be kept at a safe distance from electronics such as laptops, smartphones, and medical devices to prevent malfunctions.
How long does a Magnet CM42 last?
With proper use and storage, a high-quality CM42 magnet can last many years without significant loss in magnetic strength.
Why Magnet CM42 is a Top Choice
The Magnet CM42 is a versatile, powerful, and durable industrial magnet that offers exceptional performance across various applications. Its compact design combined with high pull force makes it suitable for everything from manufacturing and engineering to marine and renewable energy projects. When paired with proper handling, storage, and maintenance, the CM42 can serve reliably for years.
| Material |
Stainless steel |
|---|---|
| Finishing |
White |
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With a 4100 N pull force and corrosion-resistant coating, it delivers reliable holding power in manufacturing, electronics, and robotics.
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