N42 6 × 3 mm black-nickel neodymium disc magnets for Voron-style probes, panels, and compact magnetic mounts. These are small round NdFeB magnets with a near-black conductive nickel finish, sold individually so you can buy the exact count your build needs.
Why this magnet
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6 mm diameter × 3 mm thick is the common round magnet size used across Voron and 3D-printer mods.
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N42 neodymium gives strong holding force in a tiny disc without stepping up to the more brittle, higher-pull N52 option.
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Black nickel coating gives a cleaner dark finish while keeping the magnet electrically conductive.
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Sold per magnet, not as a fixed kit or bulk pack, so spares and odd-count BOMs are easy.
Specifications
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Magnet type: round neodymium / NdFeB disc magnet
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Grade: N42
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Size: 6 mm diameter × 3 mm thick
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Finish: black nickel coating
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Shape: flat round disc
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Quantity: price is per 1 magnet
Intended use
Use these anywhere a build calls for a 6 × 3 mm round neodymium magnet: Voron TAP/Klicky-style probe assemblies, magnetic panels, printer mods, printed jigs, latches, closures, and small fixtures.
Gotchas
- These are not rubber-coated or plastic-coated magnets; the coating is thin black nickel.
- Neodymium magnets are brittle. Press-fit carefully and avoid letting loose magnets snap together.
- Check your BOM before ordering: this listing is N42. If your design specifically calls for N52, use an N52 magnet instead.