N42 Neodymium Magnet for Engineering, Manufacturing and Technology Applications - 20mm O.D. x 10mm I.D. x 5mm thick - Pack of 10

• PERFECT FOR ENGINEERING & MANUFACTURING. They also have many uses in engineering and manufacturing 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 MAGNETIC HOLD. Each magnet can support a steel weight of up to 3.2kg vertically from the magnetic face when in flush contact with a mild steel surface.
• SPECIFICATIONS. 20mm outer diameter x 10mm inner diameter x 5mm thick. Diametrically magnetised with polarities runnung 90 degrees opposite 2mm holes.

Pack of 10 20mm outer diameter x 10mm inner diameter x 5mm thick Diametrically magnetised with a 2mm hole through the diameter Excellent resistance to demagnetisation Coated with three layers of nickel, copper and nickel to reduce corrosion and provide a smooth finish These versatile high-performance ring magnets are diametrically magnetised which means their north and south poles are on opposite curved faces. They also have a small 2mm hole going through the diameter of the magnet. They are used in many everyday appliances such as vacuum cleaners plus motors, generators, rotor shafts and more.