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Magnets - Round(Attraction Force (Range):80.1~90.0)

Round magnets are products used to stick items to magnetic objects made of ferrous metals. Besides sticking objects together, they are also used for applications such as magnetism testing and in parts requiring magnetic attraction. Magnets are available in types such as neodymium, ferrite, cobalt and alni

Round magnets are products used to stick items to magnetic objects made of ferrous metals. Besides sticking objects together, they are also used for applications such as magnetism testing and in parts requiring magnetic attraction. Magnets are available in types such as neodymium, ferrite, cobalt and alnico. The magnetic force of neodymium magnets is one of the strongest among the available magnet products. Neodymium magnets are used in a wide range of applications. Ferrite magnets have a weak magnetic force but relatively high retentivity. Cobalt magnets are officially known as samarium-cobalt magnets. They are known for their resistance to rust and high temperatures. Alnico magnets have superior temperature resistance properties and outstanding mechanical strength. The high retentivity of industrial magnets enables even small models to emit powerful magnetic fields. Using a magnet at temperatures above its maximum operating temperature creates the risk of weakening its magnetic force.

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Attraction Force (Range)(N): 80.1~90.0
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    Round Neodymium Magnet

    Round Neodymium Magnet【3-10 Pieces Per Package】

    NIROKU

    [Features]· This neodymium magnet is sinter molded from neodymium, iron and boron.  Its excellent magnetic energy is the highest among magnets currently available.· As they rust easily, they are mainly finished with a nickel plating surface treatment.

    Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N)
    Neodymium Iron Boron Magnet Round 14 ~ 35 - 80.1~90.0 80.36 ~ 88.2
    From: 759,878 VND
    Days to Ship: Số ngày giao hàng: 9 Day(s) or more
    day to ship 9 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Ring‑Shaped Neodymium Magnet

    Ring‑Shaped Neodymium Magnet【3-7 Pieces Per Package】

    NEMICON

    [Features]· Neodymium magnets are the strongest magnets of all, and are ideal for reducing size and increasing the performance of devices.· On its own, the material is weak to rust and so has been finished with a nickel plating. Thanks to the excellent rustproofing and durability properties of the plating technology, it should encounter no problems under normal usage conditions.· Used widely in various cutting-edge fields such as in cel...Readmore

    Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N)
    Neodymium Iron Boron Magnet Ring 17 ~ 40 6 ~ 24 80.1~90.0 81.3 ~ 89.1
    From: 1,603,003 VND
    Days to Ship: Số ngày giao hàng: 12 Day(s) or more
    day to ship 12 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Ring-Shaped Neodymium Magnet

    Ring-Shaped Neodymium Magnet【3 Pieces Per Package】

    NIROKU

    [Features]· Neodymium magnets are molded and sintered products mainly composed of neodymium, iron and boron, providing excellent magnetic energy properties that are the best among existing magnets.· Subjected to mainly nickel plating surface processing as it rusts easily.

    Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N)
    Neodymium Iron Boron Magnet Ring 19 ~ 30 6 ~ 12 80.1~90.0 81.34 ~ 88.2
    From: 882,931 VND
    Days to Ship: Số ngày giao hàng: 9 Day(s) or more
    day to ship 9 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Cylindrical Neodymium Magnet With Countersunk Hole

    Cylindrical Neodymium Magnet With Countersunk Hole【5 Pieces Per Package】

    NEMICON

    [Features]· Neodymium magnets are the strongest magnets of all, and are ideal for reducing size and increasing the performance of devices.· However, on its own, the material is weak to rust and so has been finished with a nickel plating. Thanks to the excellent rustproofing and durability properties of the plating technology, it should encounter no problems under normal usage conditions.· Used widely in various cutting-edge fields such as i...Readmore

    Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N)
    Neodymium Iron Boron Magnet Ring 30 - 80.1~90.0 80.3
    From: 1,827,949 VND
    Days to Ship: Số ngày giao hàng: 12 Day(s) or more
    day to ship 12 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Cylindrical Neodymium Magnet

    Cylindrical Neodymium Magnet【6-8 Pieces Per Package】

    NEMICON

    [Features]· Neodymium magnets are the strongest magnets of all, and are ideal for reducing size and increasing the performance of devices.· On its own, the material is weak to rust and so has been finished with a nickel plating. Thanks to the excellent rustproofing and durability properties of the plating technology, it should encounter no problems under normal usage conditions.· Used widely in various cutting-edge fields such as in cel...Readmore

    Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N)
    Neodymium Iron Boron Magnet Round 15 ~ 22 - 80.1~90.0 80.3 ~ 84.2
    From: 1,663,173 VND
    Days to Ship: Số ngày giao hàng: 12 Day(s) or more
    day to ship 12 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Neodymium Magnet  Ring Shape

    Neodymium Magnet Ring Shape

    MAGNA

    This is a ring magnet with excellent mechanical strength.[Features]· Neodymium magnets create what is said to be the strongest magnetic field currently available on the market.· Can be machined into a round, square or ring shape according to the application.· Mechanical strength is excellent, but they are prone to rust and the surface is coated to prevent this. Must be used at no higher than 80℃.

    CAD :
    2D
    Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N)
    Neodymium Iron Boron Magnet Ring 19 6.5 80.1~90.0 82.3
    From: 509,401 VND
    Days to Ship: Số ngày giao hàng: 10 Day(s) or more
    day to ship 10 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Neodymium Magnet, NdFeB, Round

    Neodymium Magnet, NdFeB, Round【5 Pieces Per Package】

    MAGFINE

    Containing mainly Nd (neodymium), Fe (iron), and B (boron), the neodymium magnet is currently the most powerful magnet available.Excellent mechanical strength with energy product about 8 times stronger than anisotropic ferrite magnets.The neodymium magnet itself is prone to rusting, so nickel plating surface processing is applied as standard.However, as its temperature resistance is low, care is required when using.

    Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N)
    Neodymium Iron Boron Magnet Round 15 - 80.1~90.0 87.2
    From: 1,349,350 VND
    Days to Ship: Số ngày giao hàng: 8 Day(s) or more
    day to ship 8 Day(s) or more
  • You can add up to 6 items per a category to the compare list.

    Ring Type Antisotropic Ferrite Magnet

    Ring Type Antisotropic Ferrite Magnet【3 Pieces Per Package】

    NIROKU

    [Features]· Ferrite magnets are sintered products made from metallurgical powder to form inexpensive magnets, typically used when stable magnetic properties or high magnetic fields are not required.· This blackish magnet is a familiar sight when used in a wide array of applications.

    Magnet Type (Material) Shape O.D.(Ø) Inner Dia.(Ø) Attraction Force (Range)(N) Attraction Force (Specific)(N)
    Ferrite Magnet Ring 90 50 80.1~90.0 88.2
    From: 1,156,848 VND
    Days to Ship: Số ngày giao hàng: 9 Day(s) or more
    day to ship 9 Day(s) or more

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FAQ Magnets - Round

Question: What is the strongest type of round magnet?
Answer: The strongest type of round magnet is the neodymium magnet and they are available in a variety of shapes, including rings, cylindrical, rectangle, square and circle with countersunk hole that can be easily mounted onto a surface using a screw. These magnets are known for their extreme strength, compact size, and high coercive force, making them suitable for a wide range of applications especially in factory automation.
Question: What are cobalt magnets known for?
Answer: Samarium–cobalt (SmCo) magnets are widely used in various industries, including automotive, medical, industrial manufacturing and semiconductor due to their exceptional magnetic properties:

1. High strength, comparable to neodymium magnets
2. Excellent temperature stability, maintaining their magnetic properties up to about 300°C
3. High resistance to corrosion and oxidation, often not requiring surface treatments.
4. High resistance to demagnetization, making them ideal for applications where magnetic stability is critical.
Question: Can high temperatures affect magnets?
Answer: High temperatures can significantly affect magnets. When a magnet is exposed to high temperatures the magnetic strength and field weaken. On the other hand, exposing a magnet to colder temperatures increases its magnetism. However, it's important to note that all magnets have a maximum operating temperature, and if this is exceeded, they can experience irreversible losses in performance.

For instance, standard grade neodymium magnets have a maximum operating temperature of 80 °C if you want to use the neodymium magnets over 80 °C we recommend the Heat-resistant grade of Neodymium Magnets, that have a maximum operating temperature150° Therefore, it's essential to consider the temperature effects when using magnets in various applications.
Question: What should be considered when choosing a round magnet?
Answer: When choosing a round magnet, several factors should be considered Here are the key considerations:

1. Application and Requirements: Understand the purpose and specific needs, for example, the required magnetic strength, size, and shape.
2. Environmental and Temperature Conditions: Consider whether the magnet will be exposed to the temperature range of the application or harsh environmental conditions, for example, standard grade neodymium magnets have a maximum operating temperature of 80 °C
3. Material Type, Size, and Shape: Consider the material type (e.g. Neodymium magnets and Heat-resistant Neodymium Magnets), size, and shape that appropriate to set up in your application
4. Safety Considerations: Consider any safety concerns, especially with strong magnets, to prevent accidents or damage to equipment in the system

By carefully considering these factors, the right round magnet can be selected to meet the project's needs effectively and safely.
Question: Are there special precautions for handling strong magnets?
Answer: When handling strong magnets, several special precautions should be observed. Here are some of the key precautions include:

1. Keep Distance and Use Caution: Magnets should be kept at a safe distance from metals, steel, and other magnets to avoid immediate impact and prevent magnets from snapping or slamming together, which can cause injuries.
2. Wear Protective Gear: It is recommended to wear eye protection, as magnets, especially neodymium and samarium cobalt, are very hard and brittle and can chip
3. Keep Away from Sensitive Devices: Magnets can affect pacemakers, implanted medical devices, electronic devices. Therefore, they should be kept away from these devices to avoid deactivation or damage
4. Dispose of Carefully: Magnets should be disposed of carefully and in accordance with the relevant guidelines to prevent any potential hazards
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