Neodymium Disc Countersunk Hole Magnet,JUNAN 10Pack 20mmx3mm hole 5 mm Strong Permanent Rare Earth Magnets with 10 Screws

• MAGNET WITH HOLE- 20 mm diameter x 3 mm thick with a 5 mm diameter countersunk hole for fixing ,-0.3mm tolerance，Supplied with 10 positioning screws.
• RARE EARTH MAGNETS- The Rare Earth Magnets is one of the most powerful, relative to its size, you can get stronger adhesion than other magnets.
• Nickel-plated NEODYMIUN MAGNETS- Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth finish which greatly increase the longevity of the Magnets.
• DIY DISC COUNTERSUNK MAGNETS- Use your rare earth magnet for just about anything, including finding studs in your wall, re-magnetizing old magnets, Permanent Magnets, Strong Round Magnets for used as refrigerator-magnets, arts and crafts, hobbies, office organization, hanging spice jars, papers, sign, note or picture holder, hardware tools hanger, artwork, handcraft DIY material, pictures and whiteboards on the fridge, tools in the garage, or the science classroom at school.
• NOTES-If you want to separate this Round Pot Magnets，Slide a magnet from the top of the stack.Once you have turned off the stack, gently lift the magnet.Lift the magnet to free it from the stack.avoid mutual collisions and external impacts that cause magnets to break!

Important: These magnets are intended for working sculptures, refrigerators, crafts, models, and office craft uses. These are NOT toys and will break and chip if used as toys. These magnets are incredibly strong and are not intended for children, please keep them away from children and pets as they can cause a choking hazard and can get lodged in their digestive tracks. Never place neodymium magnets near electronic appliances, such us floppy disks, credit cards, magnetic I.D. cards, cassette tapes, video tapes, televisions, VCRs, computer monitors and other CRT displays Neodymium magnets will lose their magnetic properties if heated above 175F (80 C). Neodymium magnets should never be burned, as burning them will create toxic fumes. Model Number:F6207（42N） Package weight：130g Package includes: 1.10 PCS 20X3mm with hole 5mm rare earth magnet 2.10 Screw 3. Packaging tin box