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The strongest permanent magnets in the world are neodymium (Nd) magnets, they are magnetic material made from an alloy of neodymium, iron and boron to form the Nd2Fe14B structure.
They are round magnets with hole in center and they can be also called: pot magnet with borehole, pot magnet with mounting holes, holding magnet with borehole, etc.
This is one of the most widely used pot magnets. They are made by gluing magnets and steel pots together. Filling materials are used upon request for a more powerful fix of magnet inside steel pot. With the use of either NdFeB magnet or ferrite magnet and steel pots in different diameters, these pot magnets come in variety of size & force combinations so that users can always find one that fits their application requirements. Generally, NdFeB pot magnets produce even higher holding force and are more expensive. Ferrite pot magnets are not as strong as NdFeB ones but they are less expensive.
NdFeB Flat Pot Magnet with Mounting Hole
By using neodymium magnet, the strongest rare earth magnet, these pot magnets produce superior holding force. Besides, they have center hole for fastening with screws.
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The magnets with holes in the middle make it easy to fasten the pot magnet on, for example, walls, doors, wood boards, by using screw bolts
The wide adaptability of magnet with hole in center leaves users with enough space for their creativity in application.
The strongest permanent magnets in the world are neodymium (Nd) magnets, they are magnetic material made from an alloy of neodymium, iron and boron to form the Nd2Fe14B structure.
Cup magnets are magnets inset into steel cups that assist in mounting and increase their holding force. They are commonly used in holding applications where they are attached to a surface with a countersunk screw.
A pot magnet is a permanent magnet encased in a steel shell, which is sometimes called a pot, hence the name 'pot' magnet. A permanent magnet emits a magnetic field without the need for any electricity. Pot magnets are often used as magnetic bases and magnetic holders for large supermarket ceiling signs.
A pot magnet works by attaching itself to ferromagnetic materials with the help of its magnetic field, or to non-ferromagnetic materials with the help of fittings (such as studs and threaded holes) on the top of its steel shell. ... The larger the pull force of the pot magnet, the more material it can attract.
Glue does not sound like something that can hold magnet and metal pot firm enough? The glue we use is mostly from big names such as LOCTITE created for industrial use. The one we use has the best adherence performance when applied on magnets and metals. Besides, we do have tests for every batch of pot magnets targeting at verifying that glue works well enough that magnets won't fall out.
Pot magnets from Weizhong Magnetics features strong vertical holding force. In view of safe use with minimized danger that objects being held falls we control the holding force at an even higher standard than their rated force in products spec.
All steel pots are coated for corrosion protection. Meanwhile, NdFeB magnets used are also coated. The quality of their coatings is tested by salt spray simulating a corrosive environment to see if the coating stays resistant long enough. Pot magnets from Weizhong Magnetics are durable.
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