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Features
Cost-effective
Description
Ferrite is the most cost-effective option among all permanent magnet materials, making it ideal for high-volume production or budget-sensitive projects
Feature
Steel Shell for Enhanced Holding Force
Description
The galvanized steel shell forms a closed magnetic circuit, providing holding force far exceeding that of bare ferrite magnets of the same size
Feature
Countersunk Hole Installation
Description
Can be secured with screws to non-ferromagnetic surfaces such as wood, plastic, and aluminum; screw heads are flush with the surface after installation
Features
Corrosion Resistance
Description
Ferrite is inherently rust-resistant and requires no plating, making it suitable for outdoor and humid environments
Features
High-Temperature Resistance
Description
Maximum operating temperature of 250°C, far exceeding that of neodymium magnets (80°C)
Features
Multiple Sizes
Description
Diameters ranging from 10–125 mm, with holding forces ranging from 0.4–450 kg
Q1: What is a ferrite pot magnet with countersunk hole?
A: A ferrite magnet encased in a zinc-plated steel cup with a central countersunk hole for screw mounting. The steel cup enhances holding force and protects the brittle magnet.
Q2: What is the maximum operating temperature?
A: Up to 250°C (Curie temperature: 450–460°C), ideal for motors, sensors, and high-temperature environments.
Q3: Is it suitable for outdoor use?
A: Yes. Ferrite is naturally rust-resistant, and the zinc-plated steel cup adds extra corrosion protection.
Q4: Why choose ferrite over neodymium?
A: Ferrite is much lower in cost, offers excellent corrosion resistance (no plating needed), and withstands higher temperatures. Choose neodymium only when maximum force in a tiny size is required.
Q5: What pull force ranges are available?
A: From 0.4 kg to 450 kg, depending on diameter and height. Example: 40mm diameter offers approx. 9–16 kg holding force.
Q6: Can I customize size, grade, or coating?
A: Yes. Custom diameters, Y30/Y35 grades, and coatings (zinc, nickel, rubber, paint) are available for OEM orders.
