3D printing magnets 4x2 to 8x2mm, 120 pieces: measure the pocket first, then pick the size
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About this product
Sets like this exist because 3D prints usually reserve a square pocket, and the magnet has to slide in with almost no gap - 0.1 mm of slicer tolerance decides whether it holds or rattles. Four sizes (4x2, 5x2, 6x2, 8x2 mm) cover the common cases: small clips and lids take the thinner ones, tool holders and box latches take the 8x2. Neodymium is brittle; press magnets in with a flat tool rather than hammering, and keep them away from cards and pacemakers.
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Pros & cons
Pros
- Four common square sizes in one set
- 120 pieces cover multiple prints and spares
- Neodymium grade gives strong pull for their size
Cons
- Coating type (nickel or other) is not stated - confirm with the seller
- Actual pull force per size is not published
- Brittle: magnets can crack if hammered or dropped
