15x3 Disc Magnet (Round Magnet), Neodymium disc magnet
The 15x3 disc magnet (Neodymium disc magnet) is 15 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: 15x3 disc magnet
- Model id:
magnets-disc-15x3
- Standard: Neodymium disc magnet · size 15x3
Files
| Part key | Simplified |
|---|
magnets-disc-15x3 | STEP |
Dimensions

| Symbol | Name | min | nom | max | Modeled | Rule | Level |
|---|
| D | Diameter | | 15 | | 15 | nominal | L1 |
| H | Height | | 3 | | 3 | nominal | L1 |
Drawing

As a PDF: CC-MAGDISC-SZ-15x3.pdf.
What each maker states
- supermagnete lists this size in N45, N52, N52N.
- first4magnets lists this size in N42.
- The shape is the same in any grade.
The 15x3 disc magnet beside the 15x2 and the 15x5
The 15x3 is number 41 of the 51 Neodymium disc magnet disc magnets published here, listed from 2x1 to 30x10.
- Diameter (D): 15 mm on the 15x3 disc magnet, the same on the 15x2 and the 15x5.
- Height (H): 3 mm on the 15x3 disc magnet, against 2 mm on the 15x2 and 5 mm on the 15x5.
Other sizes
- One size smaller: 15x2 Disc Magnet (Round Magnet), Neodymium disc magnet, 15 mm across, 2 mm high, nickel-plated, axially magnetised.
- One size larger: 15x5 Disc Magnet (Round Magnet), Neodymium disc magnet, 15 mm across, 5 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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