N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home 20mm O.D. x 6mm I.D. thick 15kg Pull

IDEAL FOR ENGINEERING & MANUFACTURING. They have many uses in engineering, manufacturing, and technology where small size and maximum strength are required. CORROSION-RESISTANT PREMIUM COATING. Coated with three layers of nickel, copper, and nickel to reduce corrosion and provide a smooth and clean finish. RESISTANT TO DEMAGNETISATION. Excellent resistance to demagnetisation. STRONG RARE EARTH MAGNET. Each magnet can support a steel weight of up to 14.4kg vertically from the magnetic face when in flush contact with a mild steel surface of equal thickness. SPECIFICATIONS. 20mm diameter x 20mm thick with a 6mm central hole., Manufacturer: Magnet Expert®