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21mm (0.83") Diameter Circular Disc Magnets

Incredibly strong 21mm (0.83") diameter neodymium disc magnets with PTFE coating. Same day dispatch for orders before 12.30pm EDT, Monday to Friday.
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  • 21mm dia x 3.5mm thick PTFE Coated N42 Neodymium Magnet - 1kg Pull
  • 21.5mm dia x 6.1mm thick Rubber Coated N42 Neodymium Magnet - 6.2kg Pull
  • 21.5mm dia x 11.4mm thick Rubber Coated N42 Neodymium Magnet - 6.9kg Pull
  • Rubber Cap Suitable for 20mm dia Magnets (21mm dia x 4mm high x 0.5mm thick)

At FIRST4MAGNETS we stock hundreds of different shapes and sizes. Circular disc magnets are incredibly useful and popular and those in this section are no different. Within our 21mm (0.83") diameter range you will find our white, PTFE-coated neodymium disc magnets. They are completely coated in PTFE making them waterproof and ideal for use outdoors, or in applications which will cause the magnet to come into direct contact with liquid.