Neodymium Magnet Cylindrical 20 x 15 mm
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Prices updated: 13 Oct 2026
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About this product
A cylindrical neodymium (NdFeB) permanent magnet measuring 20 x 15 mm, used in DIY projects, sensor experiments and mechanical assemblies. Its strong magnetic field suits holding, attraction and magnetic sensing demonstrations.
Specifications
- Material
- Neodymium (NdFeB)
- Shape
- Cylinder
- Dimensions
- 20 x 15 mm
- Type
- Permanent magnet
Frequently asked questions
Can I use it with a Hall effect sensor?
Yes, neodymium magnets are commonly used to trigger magnetic sensors such as Hall effect sensors. Keep the magnet and sensor at a suitable distance and orientation for reliable readings.
What safety precautions should I take?
Neodymium magnets are very strong and can pinch fingers or shatter when they snap together. Keep them away from children, never swallow them, and keep them away from pacemakers and magnetic storage media.
