Best N40 Industrial Magnets of 2025

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N40 industrial magnets are powerful magnets that are widely used in various industries for their excellent magnetic properties. These magnets are made of neodymium, iron, and boron, which makes them one of the strongest permanent magnets available in the market. They are used in a range of applications, including motors, generators, sensors, and even in the medical industry. N40 industrial magnets are highly reliable and can withstand high temperatures, making them ideal for use in harsh environments. Their small size and high magnetic strength make them a popular choice for many applications.
At a Glance: Our Top Picks
Top 4 N40 Industrial Magnets
POWER MAGNET STORE N40 Neodymium Magnets
The POWER MAGNET STORE Neodymium Magnets are incredibly strong, featuring a vertical pull of 1.1Kg when flush against a mild steel surface. This strength allows you to securely hold items in place, providing peace of mind for your projects. The magnets are designed with safety in mind, as they are not suitable for children or individuals with pacemakers. Additionally, their triple plating with Nickel-Copper-Nickel ensures excellent corrosion resistance, making them durable for long-term use. Always remember to heed the safety advice provided to ensure safe handling.
15 x 100 mm Neodymium Cylinder Magnet
The Magnosphere Neodymium Magnet is a powerful cylindrical magnet measuring 15 x 100 mm. Made from Neodymium N40, it offers exceptional strength, providing a magnetic force of 10 kg, making it ideal for various applications. Its nickel coating not only protects against corrosion but also enhances durability. With an axial magnetization, this magnet is easy to incorporate into projects or products where a strong, reliable hold is required. Plus, it can withstand temperatures up to 80 °C, ensuring performance in a range of environments.
Spider Magnetics N40 Neodymium Craft Magnets
The Spider Magnetics Neodymium Magnets are high-grade N40 neodymium magnets designed for various projects. With a vertical pull of 678g when flush against a mild steel surface, these magnets provide strong holding power, ensuring your items stay securely in place. The North and south poles are conveniently located on the larger flat faces, making them easy to use in precise applications. Additionally, the triple plated Nickel-Copper-Nickel finish offers excellent corrosion resistance, ensuring durability and longevity in your crafts.
BKSAI Strong Double-Sided Adhesive Magnets
The BKSAI Rare Earth Magnets are a powerful solution for your adhesive needs. Featuring a strong double-sided adhesive, these magnets securely attach to various surfaces, making them ideal for crafts, home organisation, or DIY projects. Their permanent nature ensures long-lasting use, so you won't need to worry about replacements frequently. As rare earth magnets, they provide exceptional strength in a compact size, giving you the convenience of powerful holding without taking up much space.
Frequently Asked Questions (FAQs)
1. What does N40 magnet mean?
2. What does the N35, N40, N42, N45, N48, N50, N52 grade mean? Neodymium magnets are graded by the maximum strength they can be magnetized to. The higher the number the stronger the magnet is, however the higher the number the more brittle the magnet becomes as well.
2. What are the strongest commercial magnets?
Neodymium magnets, or rare earth magnets, are known to be the most powerful type of permanent magnets available to consumers today.
3. Which is stronger N50 or N52 magnet?
The Strongest Grade N48 - N50 - N52 rare earth neodymium magnets with very high grade ingredients. N52 magnets, stronger than N50 Magnetized through thickness 3/4" Pull force: over 76 lbs.
During our n40 industrial magnet research, we found 17 n40 industrial magnet products and shortlisted 4 quality products. We collected and analyzed 3,533 customer reviews through our big data system to write the n40 industrial magnets list. We found that most customers choose n40 industrial magnets with an average price of £20.67.
The n40 industrial magnets are available for purchase. We have researched hundreds of brands and picked the top brands of n40 industrial magnets, including POWER MAGNET STORE, Magnosphere, Spider Magnetics Ltd, BKSAI. The seller of top 1 product has received honest feedback from 2,235 consumers with an average rating of 4.9.

Kenneth Collin graduated from Imperial College, London, at 22. He is a UX/UI designer, a web developer, and a writer, amongst others. At age 14, Kenneth programmed his first app. Kenneth's app served as a remote control for censored devices. "When I was 8, I would pick up scraps from electronics and try to rebuild or at least fix them," Kenneth said in one of his recent articles on Home repairs for top gadgets.