tolerance: +/-0.05mm (0.002 inch) . Super strong Rare-Earth magnets - once they get stuck with each other, they are hard to break apart. Neodymium magnets are brittle; they can be broken or can splinter in a collision.
Electrically conductive (making them suitable to exte. Normal Neodymium magnets will lose their magnetic properties if heated above 175°F (80° C).
Pull force:350lbs . Size: Dia 50x30mm ; Great for do-it-yourself projects. Quantity: 1 magnet per package
You should avoid having constant contact with magnets of any size and keep a distance of at least 3 feet to large magnets.Under no circumstances should you try to cut, saw or drill the Neodymium magnets! Not only would the magnet break, but the resulting dust from the magnet is very flammable. Neodymium magnets should never be burned, as burning them will create toxic fumes.