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SAME DAY DISPATCH Orders Before 12:30pm EDT

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
    N42 Neodymium PTFE Coated Disc Magnet - 21mm dia x 3.5mm thick - 2.2lbs Pull
    F220
    From $12.65
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  • 21.5mm dia x 6.1mm thick Rubber Coated N42 Neodymium Magnet - 6.2kg Pull
    N42 Neodymium Rubber Coated Disc Magnet - 21.5mm dia x 6.1mm - 13.67lbs Pull
    F205R
    From $10.21
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  • 21.5mm dia x 11.4mm thick Rubber Coated N42 Neodymium Magnet - 6.9kg Pull
    N42 Neodymium Rubber Coated Disc Magnet - 21.5mm dia x 11.4mm thick - 15.2lbs Pull
    F646R
    From $8.74
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  • Rubber Cap Suitable for 20mm dia Magnets (21mm dia x 4mm high x 0.5mm thick)
    Rubber Cap Suitable for 20mm dia Magnets - 21mm dia x 4mm high x 0.5mm thick
    RUB20
    From $2.98
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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.

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