Neodymium rare earth countersunk ring magnets | Fullzen Technology

Short Description:


Neodymium rare earth countersunk ring magnets is a kind of special designs wildly used in various appliance industrial areas ,rare earth metal materials made this kind of magnet has a super powerful attraction.


All magnets are not created equal. These Rare Earth Magnets are made from Neodymium, the strongest permanent magnet material on the market today. Neodymium magnets are available in a wide range of shapes, sizes, and grades. They have many uses, from a variety of industrial applications to an unlimited number of personal projects.


Usually to option the countersunk neodymium magnets grade based on the requests from the used applications, well for this rare earth neodymium grade i’d like to shape something likes these: Neodymium magnets are graded according to their maximum energy product, which relates to the magnetic flux output per unit volume. Higher values indicate stronger magnets.


For sintering NdFeB magnets, there is a widely recognized international classification.


Their values range from 28 up to 52. The first letter N before the values is short for neodymium, meaning sintered NdFeB magnets. Letters following the values indicate intrinsic coercivity and maximum operating temperatures (positively correlated with the Curie temperature), which range from default (up to 80 °C or 176 °F) to TH (230 °C or 446 °F).N30 – N55;N30M – N50M;N30H – N50H;N30SH – N48SH;N30UH – N42UH;N28EH – N40EH.

Chinese magnet supplier Fullzen provides you with customized services.

  • Customized logo: Min. order 1000 pieces
  • Customized packaging: Min. order 1000 pieces
  • Graphic customization: Min. order 1000 pieces
  • Material: Strong Neodymium Magnet
  • Grade: N35-N52, N35M-N50M, N33H-N48H, N33SH-N45SH, N28UH-N38UH
  • Coating: Zinc,Nickel,Gold,Sliver etc
  • Shape: Customized
  • Tolerance: Standard tolerances, usually +/-0..05mm
  • Sample: If there is any in stock, we will send it within 7 days. If we don't have it in stock, we'll send it to you within 20 days
  • Application: Industrial Magnet
  • Size: We will offer as your request
  • Direction of Magnetisation: Axially through height
  • Product Detail

    Company profile

    Product Tags

    Magnet Countersunk

    Sintered neodymium magnet tends to be vulnerable to corrosion. By adding a protective coating to prevent exposure  to the atmosphere Nickel, nickel-copper-nickel and zinc plating are the standard methods. And galvanization, chrome, epoxy, gold and some other methods. After coating, salt spray test can be done to see if the magnets are easy to rust.

    Our factory has salt spray machines that can do testing for customers. So if you currently are sourcing this kind of products, well you got the expert, yeah! I am talking the embedded parts fixing magnet manufacturer.

    Fullzen Technology Company limited r the neodymium magnet manufactures’ groups for specialized in designing proceeding and producing. And main products are industrial permanent neodymium magnet with different shapes like arc,bar, rod, cylinder, ring, disc,segment,block, cube,countersunk, irregular, regular,triangle, pentagon,ETC. About the neodymium grade well, we usually take in proceeding N35, N38, N40,N42,N45,N48, N50, N52 Neodymium and etc.

    We mainly offer the customized service and customization productions for our major clients and customers both domestic and overseas. With their customized graphic drawings and specialized requests we have got some famous brands-company trusts like Pad HUAWEI, Smart phone XIAOMI, Cellphone SUMSONG, As well as Apple ear-speaker.and here i hope your biz and company can get even more greater than these above.

    The competitive price, high quality of bulk orders’ mass productions will be offered as well. So let me show you our this magnet stuff in my hands firstly. 

    We sell all grades of neodymium magnets, custom shapes, sizes, and coatings.

    Fast Global Shipping: Meet standard air and sea secure packing, More than 10 years of export experience

    Customized is Available: Please offer a drawing for your special design

    Affordable Price:  Choosing the most suitable quality of products means effective cost savings.

    Magnetic Product Description:

    This neodymium magnetic disc has a diameter of 50mm and a height of 25mm. It has a magnetic flux reading of 4664 Gauss and a pull force of 68.22 kilos. 

    Uses For Our Strong Rare Earth Disc Magnets:

    Strong magnets, like this Rare Earth disc, project a powerful magnetic field that is capable of penetrating solid materials such as timber, glass or plastic. This ability has practical applications for tradespeople and engineers where strong magnets can be used to detect metal or become components in sensitive alarm systems and security locks.


    Does screw material matter?

    Yes, the material of a screw can indeed matter and can impact its performance and suitability for specific applications. Different materials have varying properties that affect factors such as strength, corrosion resistance, temperature resistance, conductivity, and more.

    Can the countersunk magnets accept rivets?

    Yes, countersunk magnets can be used in conjunction with rivets, depending on the specific application and requirements.

    What are the uses of countersunk magnets?

    Countersunk magnets, also known as countersink magnets or countersunk hole magnets, are magnets that are designed with a flat top surface and a countersunk hole (a conical recess) on the bottom. These magnets are used in a variety of applications where the magnet needs to be securely attached to a surface using screws or fasteners. The countersunk hole allows the magnet to sit flush with the surface, preventing any protrusions that could interfere with the overall design or function. Here are some common uses of countersunk magnets:

    1.Cabinet and Furniture Closures

    2.Magnetic Latches

    3.Signage and Displays

    4.Automotive Applications

    5.Industrial Equipment

    6.Door Closures

    7.Electronics Assembly

    8.Cabinet Doors for Kitchens and Bathrooms

    9.Point of Purchase Displays

    10.Light Fixtures and Ceiling Installations


    In general, the use of countersunk magnets provides an elegant solution for securing objects in place while maintaining a smooth and seamless appearance. Their versatility and ability to hold objects firmly against metal surfaces make them a valuable choice in various industries and applications.

    Your Custom Custom Neodymium Magnets Project

    Fullzen Magnetics has more than 10 years of experience in the design and manufacture of custom rare earth magnets. Send us a request for quote or contact us today to discuss your project's specialty requirements, and our experienced team of engineers will help you determine the most cost effective way of providing you with what you need.Send us your specifications detailing your custom magnet application.

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