Which neodymium magnet should you choose? Overview by shape
Disc, block, rod, cube, sphere, ring, pot, hook, eye, fish or filter: a brief overview of every magnet shape, what you use it for and which guide will help you further.
Short answer: you choose a neodymium magnet first by shape and mounting, then by size, grade (N-rating), coating, and holding power. Below, you will find each shape, its typical use, and which guide can assist you further.
Overview by shape
| Shape | What is it for? | Read more |
|---|---|---|
| Disc magnet | Versatile, flat, and round; many applications | Which disc magnet to choose? |
| Block magnet | Flat contact surface, for example on a straight edge or in a slot | Which block magnet to choose? |
| Rod magnet | Elongated, for instance in a drill hole | Which rod magnet to choose? |
| Cube magnet | Equal sides, for example for building and experiments | Which cube magnet to choose? |
| Sphere magnet | Round in all directions | Which sphere magnet to choose? |
| Ring magnet | With a hole for a screw or axle | Which ring magnet to choose? |
| Pot magnet | Magnet in a steel pot, strong on steel | Which pot magnet to choose? |
| Hook magnet | Hanging things with a hook | Which hook magnet to choose? |
| Eyebolt magnet | Attaching with an eye, for example for a line or chain | Which eyebolt magnet to choose? |
| Fishing magnet | Fishing for metal with a rope | Which fishing magnet to choose? |
| Filter magnet | Removing metal particles from a liquid or powder | Which filter magnet to choose? |
Next: grade, coating, and holding power
- Grade (N-rating): read what N35, N42, N48, and N52 mean.
- Coating or finish: NiCuNi, epoxy, plastic, rubber, or self-adhesive. See which coating or finish to choose.
- Holding power: read how the holding power of a magnet is determined.
Still not sure?
Describe your application to the Magnet Specialist using the magnet advisor, or contact us. If ordered and paid for before 4:00 PM, items in stock are shipped the same business day.