3/8 x 1/8 Inch Neodymium Rare Earth Countersunk Ring Magnets N52 (40 Pack)

Neodymium magnets are a marvel of modern engineering, offering incredible strength in a compact size. With their countersunk holes, these magnets are even more versatile and useful, able to securely attach to both magnetic and non-magnetic surfaces with the use of screws.

Despite their small size, these magnets are incredibly powerful, able to hold large amounts of weight with ease. This makes them perfect for holding pictures, notes, and other important items firmly in place on metal surfaces, all without being noticeable.

One of the most fascinating aspects of these magnets is how they interact with other magnets. Their behavior in the presence of stronger magnets is intriguing and offers endless possibilities for experimentation and discovery. When purchasing these magnets, it's important to consider their maximum energy product, which determines their strength.

To increase their longevity and prevent corrosion, these neodymium magnets are coated with three layers of nickel, copper, and nickel, providing a smooth finish. The countersunk holes allow for easy attachment to non-magnetic surfaces with screws, greatly expanding their range of applications.

With a diameter of 0.375 inches and a thickness of 0.125 inches, these magnets are compact yet powerful. It's important to use caution when handling them, as they can strike each other with enough force to chip or shatter, potentially causing injuries.

These magnets have a wide range of uses, including tool storage, photo display, refrigerator magnets, scientific experiments, locker suction, or whiteboard magnets. If you're not satisfied with your purchase, you can return them for a full refund.