Powerful N52 Neodymium Magnets 1/2 in x 1/4 in Disc Dual Countersunk Hole

Regular price: $ 2.12

Regular price: $ 2.12

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Product Description

These 1/2" x 1/4" N52 neodymium disc magnets are designed for projects where you need both a powerful hold and a secure mechanical installation. Instead of relying on adhesive, they feature a dual-sided countersunk hole that allows them to be fastened with a #4 flat head screw, creating a mounting solution that stays firmly in place over time.

The countersink is machined into both sides of the magnet, so you can install it from either direction while keeping the screw head recessed below the surface. That flexibility makes installation a little easier, especially when you're working with custom fixtures, hidden latches, removable panels, or other projects where orientation matters.

Made from N52-grade rare earth neodymium, these magnets deliver exceptional holding power for their size. The 1/2" diameter provides a stable contact area, while the 1/4" thickness adds magnetic depth for a strong, dependable connection that holds up well through repeated use.

A Nickel-Copper-Nickel triple-layer coating helps protect each magnet from corrosion and everyday wear, making them suitable for workshops, garages, furniture projects, and other environments where durability is just as important as magnetic performance. A compact screw-mounted magnet that combines exceptional holding power with dependable everyday durability.

Contact us for neodymium magnets wholesale discount

Approximate magnet pull force: 17 lbs

The Science Behind the Magnetic Might

At the core of neodymium magnets lies a unique alloy of neodymium, iron, and boron, forming a tetragonal crystalline structure. The neodymium atoms, with their unpaired electrons, generate a powerful magnetic dipole moment, contributing to the magnets' exceptional strength. Meanwhile, the boron atoms enhance cohesion through strong covalent bonding, ensuring durability without compromising magnetic performance.

Unmatched Magnetic Properties

Neodymium magnets boast exceptionally high magnetocrystalline anisotropy, meaning their magnetic fields align preferentially along a specific crystal axis. This property, combined with their high coercivity (resistance to demagnetization), allows neodymium magnets to store immense amounts of magnetic energy. In fact, their maximum energy product is about 18 times greater than ferrite magnets by volume, making them incredibly powerful.

Versatility and Widespread Applications

Due to their exceptional strength and affordability compared to other rare-earth magnets, neodymium magnets are the most widely used in modern products requiring strong permanent magnets. From electric motors and hard disk drives to magnetic fasteners, these magnets have replaced traditional alternatives in countless applications. Their compact size and versatile shapes make them suitable for various industries, including electronics, motors, generators, and more.

Durability and Proper Handling

While neodymium magnets are incredibly powerful, they are also brittle and prone to corrosion. To combat these challenges, they are typically coated with protective layers such as nickel, copper, or zinc. Additionally, they have a lower Curie temperature than some other magnets, meaning they can lose magnetism at high temperatures. Special alloys with terbium and dysprosium can increase their maximum operating temperature. Proper handling is essential, as chipped or broken magnets can produce sharp slivers that are difficult to remove. Unleash the extraordinary power of neodymium magnets and take your projects to new heights. Explore our premium selection and harness the magnetic might that will make your creations truly exceptional.