N42 Neodymium Pot Magnet with M4 Stud for Arts, Crafts, Model Making, DIY, Hobbies, Office, and Home - 20mm dia x 7mm thick 15.8kg Pull Pack of 20

IDEAL FOR CREATIVE APPLICATIONS. Our neodymium magnets are commonly used in creative applications such as models and theatre design, furniture making, exhibitions, and packaging. USEFUL FOR MANUFACTURING & ENGINEERING. Neodymium magnets have many uses in engineering and manufacturing where maximum strength is required. RESISTANT TO CRACKING & CHIPPING. An added advantage of pot magnets is that they are resistant to chipping or cracking following constant impact with a steel surface. CORROSION-RESISTANT PREMIUM COATING. Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth finish. STRONG RARE EARTH MAGNET. Each magnet can support 15.8kg pull vertically from the magnetic face when in flush contact with a mild steel surface of equal thickness. SPECIFICATIONS. 20mm diameter x 7mm thick with a M4 threaded stud for fixing. 9mm Thread Length.