40x20x10 Block Magnet (Bar Magnet), Neodymium block magnet
40 mm long, 20 mm wide and 10 mm high, the 40x20x10 block magnet (Neodymium block magnet) is nickel-plated and magnetised through the height. Here as simplified STEP files.

How these parts are made, and what the levels mean: read the method
- Also searched as: 40x20x10 block magnet
- Model id:
magnets-block-40x20x10
- Standard: Neodymium block magnet · size 40x20x10
Files
| Part key | Simplified |
|---|
magnets-block-40x20x10 | STEP |
Dimensions

| Symbol | Name | min | nom | max | Modeled | Rule | Level |
|---|
| L | Length | | 40 | | 40 | nominal | L1 |
| W | Width | | 20 | | 20 | nominal | L1 |
| H | Height | | 10 | | 10 | nominal | L1 |
Drawing

As a PDF: CC-MAGBLOCK-SZ-40x20x10.pdf.
What each maker states
- supermagnete lists this size in N42.
- first4magnets lists this size in N42.
- The shape is the same in any grade.
The 40x20x10 block magnet beside the 40x20x5 and the 46x30x10
The 40x20x10 is number 20 of the 21 Neodymium block magnet block magnets published here, listed from 5x1.5x1 to 46x30x10.
- Length (L): 40 mm on the 40x20x10 block magnet, against 40 mm on the 40x20x5 and 46 mm on the 46x30x10.
- Width (W): 20 mm on the 40x20x10 block magnet, against 20 mm on the 40x20x5 and 30 mm on the 46x30x10.
- Height (H): 10 mm on the 40x20x10 block magnet, against 5 mm on the 40x20x5 and 10 mm on the 46x30x10.
Other sizes
- One size smaller: 40x20x5 Block Magnet (Bar Magnet), Neodymium block magnet, 40 mm long, 20 mm wide, 5 mm high, nickel-plated, axially magnetised.
- One size larger: 46x30x10 Block Magnet (Bar Magnet), Neodymium block magnet, 46 mm long, 30 mm wide, 10 mm high, nickel-plated, axially magnetised.
Documents
Sources
first4magnets-block, supermagnete-magnets-block. Full citations: the method page and this size's datasheet.
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