Magnet Store 20 Pack 10x10mm (4mm Hole) Countersunk Neodymium Magnets N42

Strong Magnetic Force: With a 3.42KG pull strength, these magnets are designed for tasks requiring secure attachment, such as furniture assembly and heavy-duty DIY projects. Countersunk Hole for Easy Mounting: The 4mm countersunk hole makes these magnets ideal for drilling into surfaces, allowing them to be easily screwed into place for long-lasting mounting. High-Grade Neodymium Material: Made from N42 Neodymium, these magnets offer superior strength and durability, making them an excellent choice for both home and industrial use. Rust-Resistant Coating: The magnets are coated with a nickel-copper-nickel (Ni-Cu-Ni) finish, providing corrosion resistance for use in various environmental conditions, ensuring long-lasting performance. Versatile Applications: Suitable for DIY, woodworking, crafts, and furniture making, as well as manufacturing and science experiments, these magnets are widely used for securely fastening materials or adding magnetic functionality to a wide range of projects. SAFETY: Not a toy - keep away from children. Swallowed magnets can cause serious internal injury; seek immediate medical help if swallowed. Keep 30cm from pacemakers.