What bi-pole pot magnet sizes are available?
What bi-pole pot magnet sizes
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Bi-pole pot magnets are always measured diameter x depth. The size always includes the shell within the measurements. | |||
Diameter |
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The diameter refers to the distance between the two widest points of the bi-pole pot magnet, and ranges from 6mm (0.24″) to 32mm (1.26″). | |||
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The diameter you choose will depend on the size of the fixture or jig you are creating. If you are creating a small jig or fixture, then you may require a bi-pole pot magnet with a smaller diameter, to make the fixture or jig more slimline. | |||
Depth |
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The depth of a bi-pole pot magnet is the distance between the top of the shell and the magnetic face. It can range from 20mm (0.79″) to 40mm (1.57″). | |||
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The depth you choose will depend on the depth of the non-ferromagnetic material you are attaching the bi-pole pot magnet to.
If you are creating a jig out of wood with a 20mm (0.79″) depth, then you could use a bi-pole magnet with a 20mm (0.79″) depth, however you will not be able to use a 40mm (1.57″) depth bi-pole magnet as this will be too large. |
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Magnetic pull |
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The magnetic pull of bi-pole pot magnets ranges from 1kg (2.2lbs) to 71.4kg (157.4lbs). | |||
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The magnetic pull is the maximum weight of ferromagnetic material the bi-pole pot magnet can hold. This is not determined by its overall size, but the material the magnet is made from. This means that a large magnet does not necessarily have a larger magnetic pull than a small magnet.
For more information, see the page: What are magnets made of? |
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Summary |
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To summarise, when purchasing a bi-pole pot magnet, the key thing to look out for is the depth and diameter as these are determined by the size of the fixture or jig you intend to use. | |||
