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Neodymium Magnet in Hard Drive Irregular Shapes of Magnets

Basic Info

Model No.:  N48

Product Description

Model NO.: N48 Shape: Irregular Stepped Magnet Grade: N48 Envrionment Management System: ISO14001 Quality System: ISO/Ts16949:2009 Magnetization Direction: Axial/Radial/Multi-Poles Magnetization Transportation: All Available Shipping Ways Could Be Applied, by C Lead Time: 7-25days Transport Package: Carton, Wood Case, Anti-Magnetized Package Origin: Zhejiang Ningbo/ Fujian Xiamen Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet, Stepped Magnet Coating: Nickel Product Name: Neodymium Magnet in Hard Drive Irregular Shapes Certificate of Stepped Magnet: Ce/RoHS/SGS Model Number: Gme-N48 Magnetic Properties: 80-200 Degree Centigrade Tolerance: +/- 0.05mm Trademark: GME Specification: As Client′s Request HS Code: 850511100 neodymium magnet in hard drive irregular shapes of magnets
hard magnet in hard drive Neodymium Magnets hard drive Description
Hard drives contain neodynium drive magnetic disk magnets powerful magnets, The neodynium magnets in the hard drive were glued to the brackets.
  Sintered NdfeB Magnets have Characteristic of high remanence,high Coercive force,high Energy Product.It is eaily formed into various sizes which makes it suitable for servo motors,disk brushless motors, stepping motors,IT industry,MRI,loudspeaker,medical instruments,etc.
1. Meterial:   NdFeB,Neodynium
2. Technology:Utilizes new Sintered Neodynium magnet techniques and equipment such as strip casting, HDDR technology.
3. Magnetic properties: Remanence,Max.Energy Product,High Coercive Force, the max working temp is up to 200ºC;
4.Type:Sintered NdFeB
5. Grades:N35-N52, 33M-50M, 30H-48H, 30SH-45SH, 30UH-40UH and 30EH-38EH.
6. Shapes and sizes: Disc,ring,block,segment,and irregular shape.Our factory can also manufacture various sizes of other NdFeB magnets, according to the customer's specification.
7. Coatings:coat with Ni, Zn, Phosphating, epoxy and so on;
8. Quality Control :Our QC team ensure 100% products high quality.
9. Extremer Power Warning :These magnets are dangerous ! If your fingers are trapped between two they will cut your skin. Please be note they should only be handled with great care.
10. Transportation :  All available shipping ways could be applied ,by courier ,by air or by sea . Appointed shipping company or our own forwarders all could be used in shipment
hard magnet in hard drive neodymium magnets hard drive production process
Neodynium magnets Product show
hard magnet in hard drive neodymium magnets hard drive Packing
Neodynium drive magnetic disk magnets hard drive magnets application
neodynium drive magnetic disk magnets are heavily used in the computer industry in hard disk drives. Widely used in optical disc drive, Permanent Magnet motors, mobile phones, audio systems, nuclear magnetic resonance, electric vehicles and other fields.
No Matter you buy 1 pcs or 100,000 pcs of magnets, you can not find better service elsewhere.
Brand new and high quality.
Super strong Rare-Earth magnets - once they get stuck with each other, they are hard to break apart.
Can also be used to extend protected lithium batteries with recessed contact points.
Electrically conductive (making them suitable to extend recessed batteries).
Perfect for sticking notes on fridge doors.
Great for do-it-yourself projects.
Grade:as people request
Coating: NiCuNi
Max Operating Temperature: 80ºC
Material: Neodymium-Iron-Boron
MOQ: 10000 PCS
Lead Time:7-25days
Samples: Yes
Certificate: CE/ROHS/SGS
Payment: T/T, PayPal, Western Union


Sintered Rare Earth Magnets



Working Temperature


Max. Operating Temperatures


80°C (176°F)

33M- 48M

100°C (212°F)


120°C (248°F)


150°C (302°F)


180°C (356°F)


200°C (392°F)


220°C (428°F)

Magnet Shape

Disc, Cylinder, Block, Ring, Countersunk, Segment, Trapezoid, Irregular shapes and more. Customized shapes for Rare Earth Magnets are available.

Magnet Coating

Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper, Epoxy, Chemical, PTFE, Parylene, Everlube, Passivation and more.

Technology Advantage

Depending on advanced R&D center, Quality control team and professional machining technicians, we can surpass our competitors in the stability of quality and superiority of property.

Delivery Advantage

The lead time must be 2-5 days quicker than industry average because of more flexible machine process control.

Price Advantage

The price is 5-10% cheaper than industry average because of an excellent and efficient management system.


Rare Earth Magnets are widely used in many fields, such as motors, sensors, microphones, wind turbines, wind generators, VCMs in hard disk drives, printer, switchboard, loudspeakers, magnetic separation, Magnetic Hooks, magnetic holder, magnetic chuck, common daily use, and so on.

Great Magtech Electric offers excellent selection of Magnetic Assembly, Magnetic Tool and Magnetic Equipment for home use, office use, industrial use, computer use and so on. Both our office and factory are located in Ningbo which is very developed city and very big seaport.

We provides you an extensive range of magnetic assembly, magnetic tool and magnetic equipment. Containing our excellent original design, every product is elaborately produced by our factory. When you use them, you feel so comfortable and wonderful. These tools and assemblies are widely used in your daily life by helping you clean scrap iron and other debris, lift up heavy items and fix objects firmly. And they even have more functions you've never thought of. 

We appreciate your enquiry and we will give you incomparably good product and services.
Welcome to be our distributor. The high quality of our products and the considerate after-sale service will make your business more and more prosperous. 

If you want to purchase magnetic assembly, magnetic tool and magnetic equipment, please feel free to contact us.


Some Coatings of Rare Earth Magnets:



Thickness (Microns)






Silver Grey

Temporary Protection




Bright Silver

Excellent against Humidity





Bright Blue

Good Against Salt Spray


Shinny Color

Excellent Against Salt Spray





Superior Against Humidity





Superior Against Humidity





Temporary Protection




Black, Red, Grey

Excellent Against Humidity & Salt Spray






Silver Grey

Excellent Against Humidity





Excellent Against Humidity, Salt Spray. Superior Against Solvents, Gases, Fungi and Bacteria.

GME core values

Customer Care
Quality is our life. Customer satisfaction is our eternal pursuit. Everything we do at GME is driven by an unyielding passion for excellence in identifying and delivering solutions that exceed expectations.

In today's fast-developing global economy, innovation is critical to a company's survival. We anticipate and adapt to changing for continuous improvement.

A business cannot be successful unless it creates prosperity and opportunity for others. We have a dream--customers could win more through our Great Service; we have a dream--GME members could realize their own dreams while striving for GME Dream.

Social Responsibility
Sustainability isn't only important for people and the planet, but also is vital for business success. We are environmentally responsible and drive to sustainability. And we should do something for our better future.
For more information, please refer to

Contact us if you need more details on Neodymium Magnet in Hard Drive. We are ready to answer your questions on packaging, logistics, certification or any other aspects about Kinds of Magnets、Shapes of Magnets. If these products fail to match your need, please contact us and we would like to provide relevant information.

Product Categories : Neodymium Magnets II > Irregular Neodymium Magnets

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