1/2 x 1/8 Inch Neodymium Rare Earth Countersunk Ring Magnets N52 (30 Pack)

Neodymium magnets are an incredible feat of modern engineering. Despite their small size, these magnets are incredibly powerful and able to hold large amounts of weight. Their low cost also makes it easy to obtain a large number of these magnets. These versatile magnets are 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 behave in the presence of other magnets. This offers endless possibilities for experimentation and discovery. When purchasing these magnets, it's important to note that they are graded based on their maximum energy product, which indicates their magnetic flux output per unit volume. A higher value means a stronger magnet.

These neodymium magnets have countersunk holes and are coated with three layers of nickel, copper, and nickel to reduce corrosion and provide a smooth finish, which greatly increases the longevity of the magnets. The countersunk holes also allow the magnets to be fixed to non-magnetic surfaces with screws, expanding their range of applications. These magnets are 0.5 inches in diameter and 0.125 inches thick with a 0.136 inches diameter countersunk hole.

Neodymium magnets with holes are sturdy and reliable and can be applied to various uses, including tool storage, photo display, refrigerator magnets, scientific experiments, locker suction, or whiteboard magnets. However, it's important to exercise caution when using these magnets as they can strike each other with enough force to chip and shatter, leading to injuries, particularly eye injuries. If you're not satisfied with your purchase, you can rest assured knowing that you can return your order and receive a full refund.