3x3 Disc Magnet (Round Magnet), Neodymium disc magnet
The 3x3 disc magnet (Neodymium disc magnet) is 3 mm across and 3 mm high, nickel-plated and magnetised through the height. It comes as simplified STEP files.

How these parts are made, and what the levels mean: read the method
- Also searched as: 3x3 disc magnet
- Model id:
magnets-disc-3x3
- Standard: Neodymium disc magnet · size 3x3
Files
| Part key | Simplified |
|---|
magnets-disc-3x3 | STEP |
Dimensions

| Symbol | Name | min | nom | max | Modeled | Rule | Level |
|---|
| D | Diameter | | 3 | | 3 | nominal | L1 |
| H | Height | | 3 | | 3 | nominal | L1 |
Drawing

As a PDF: CC-MAGDISC-SZ-3x3.pdf.
What each maker states
- supermagnete lists this size in N45.
- first4magnets lists this size in N42.
- The shape is the same in any grade.
The 3x3 disc magnet beside the 3x2 and the 4x1
The 3x3 is number 5 of the 51 Neodymium disc magnet disc magnets published here, listed from 2x1 to 30x10.
- Diameter (D): 3 mm on the 3x3 disc magnet, against 3 mm on the 3x2 and 4 mm on the 4x1.
- Height (H): 3 mm on the 3x3 disc magnet, against 2 mm on the 3x2 and 1 mm on the 4x1.
Other sizes
- One size smaller: 3x2 Disc Magnet (Round Magnet), Neodymium disc magnet, 3 mm across, 2 mm high, nickel-plated, axially magnetised.
- One size larger: 4x1 Disc Magnet (Round Magnet), Neodymium disc magnet, 4 mm across, 1 mm high, nickel-plated, axially magnetised.
Documents
Sources
first4magnets-disc, supermagnete-magnets-disc. Full citations: the method page and this size's datasheet.
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