4mm Disc Magnets

4mm N52 neodymium disc magnets, approximately 5/32 inch in diameter. A versatile hobby size — most commonly referenced as the Voron Klicky probe spec for 3D printers, and also used in hobby joints, jewellery clasps, craft and sewing closures, and small-frame magnetic latches.

Looking for other shapes — spheres, cylinders, countersunk discs, rings, or blocks? Browse our massive library of N52 magnets in every shape.

Each listing shows exact thickness, pull force, and pack size. All magnets ship from our US warehouse.

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  • 100pcs 4mm x 0.5mm N52 neodymium disc magnets - small round rare earth miniature magnets bulk pack

    100pcs 4mm x 0.5mm (Approximately 5/32" x 1/64") Disc Magnets

    🧲 Pull Force: 0.19 lbs

    100pcs 4mm x 0.5mm (Approximately 5/32" x 1/64") Disc Magnets

    $14.99 USD
    $14.99 USD
  • 100pcs 4mm x 1.5mm N52 rare earth disc magnets - neodymium small round miniature magnets bulk

    100pcs 4mm x 1.5mm (Approximately 5/32" x 1/16") Disc Magnets

    🧲 Pull Force: 0.68 lbs

    100pcs 4mm x 1.5mm (Approximately 5/32" x 1/16") Disc Magnets

    $15.99 USD
    $15.99 USD
  • 100pcs 4mm x 1mm N52 neodymium miniature magnets - rare earth disc small round magnets bulk pack

    100pcs 4mm x 1mm (Approximately 5/32" x 1/32") Disc Magnets

    🧲 Pull Force: 0.43 lbs

    100pcs 4mm x 1mm (Approximately 5/32" x 1/32") Disc Magnets

    $14.99 USD
    $14.99 USD
  • 100pcs 4mm x 2mm N52 small round neodymium magnets - rare earth disc miniature magnets bulk pack

    100pcs 4mm x 2mm (Approximately 5/32" x 1/16") Disc Magnets

    🧲 Pull Force: 0.91 lbs

    100pcs 4mm x 2mm (Approximately 5/32" x 1/16") Disc Magnets

    $15.99 USD
    $15.99 USD
  • 100pcs 4mm x 3mm N52 rare earth miniature magnets - neodymium disc small round magnets bulk pack

    100pcs 4mm x 3mm (Approximately 5/32" x 1/8") Disc Magnets

    🧲 Pull Force: 1.2 lbs

    100pcs 4mm x 3mm (Approximately 5/32" x 1/8") Disc Magnets

    $16.99 USD
    $16.99 USD
  • 100pcs 4mm x 4mm N52 neodymium disc magnets - small round rare earth magnets for crafts and hobbies

    100pcs 4mm x 4mm (Approximately 5/32" x 5/32") Disc Magnets

    🧲 Pull Force: 1.42 lbs

    100pcs 4mm x 4mm (Approximately 5/32" x 5/32") Disc Magnets

    $18.99 USD
    $18.99 USD
  • 50pcs 4mm x 2.5mm (Approximately 5/32" x 3/32") Disc Magnets - Magnet Baron

    50pcs 4mm x 2.5mm (Approximately 5/32" x 3/32") Disc Magnets

    🧲 Pull Force: 1.1 lbs

    50pcs 4mm x 2.5mm (Approximately 5/32" x 3/32") Disc Magnets

    $16.99 USD
    $16.99 USD
  • 50pcs 4mm x 3.5mm (Approximately 5/32" x 9/64") Disc Magnets - Magnet Baron

    50pcs 4mm x 3.5mm (Approximately 5/32" x 9/64") Disc Magnets

    🧲 Pull Force: 1.31 lbs

    50pcs 4mm x 3.5mm (Approximately 5/32" x 9/64") Disc Magnets

    $15.99 USD
    $15.99 USD
  • 50pcs 4mm x 5mm neodymium cylinder magnets N52 - rare earth rod magnets for tabletop gaming and crafts

    50pcs 4mm x 5mm (Approximately 5/32" x 3/16") Cylinder Magnets

    🧲 Pull Force: 1.6 lbs

    50pcs 4mm x 5mm (Approximately 5/32" x 3/16") Cylinder Magnets

    $24.99 USD
    $24.99 USD
  • Metal Discs 100pcs 4mm x 1mm (Approximately 5/32" x 1/32") - Magnet Baron

    Metal Discs 100pcs 4mm x 1mm (Approximately 5/32" x 1/32")

    🧲 Pull Force: 0.43 lbs

    Metal Discs 100pcs 4mm x 1mm (Approximately 5/32" x 1/32")

    $16.99 USD
    $16.99 USD

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