N42 Neodymium Magnet for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home 20mm dia x 3mm thick 3.6mm Countersunk Hole 4.5kg Pull North Pack of 40

IDEAL FOR CREATIVE APPLICATIONS. Countersunk magnets are ideal for creating discreet magnetic cupboard door catches or for holding removable bath panels in place plus many other uses. USEFUL FOR MANUFACTURING & ENGINEERING. Neodymium magnets have many uses in engineering and manufacturing where maximum strength is required. RESISTANT TO DEMAGNETISATION. Excellent resistance to demagnetisation. CORROSION-RESISTANT PREMIUM COATING. Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth finish. RARE EARTH MAGNET. Each magnet can support a steel weight of up to 4.5kg vertically from the magnetic face when in flush contact with a mild steel surface. SECURELY FIX MAGNET IN PLACE. Can be fixed in place with 3mm diameter countersunk screws. SPECIFICATIONS. 20mm diameter x 3mm thick with a 3.6mm diameter countersunk hole for fixing.