Magnetic Strength and Pull Force of 3mm Dia Neodymium Magnet

3mm diameter magnets are also small magnets commonly used in shopping malls, usually made of neodymium magnets, because if you change other materials, magnetic is not strong enough. The commonly used specifications are 3x1mm, 3×1.5mm, 3x2mm, 3x3mm, 3x4mm, D3x5mm, etc. Precision electronics, handicrafts, packaging handbags, instrumentation, etc. Today we will introduce how many Gauss and tensile strength this 3mm diameter small magnet has.

3mm diameter small magnet

Magnetic Strength and Pull Force of 3mm Dia Neodymium Magnet

Magnetic Strength and Pull Force of 3mm Dia Neodymium Magnet

The commonly used coatings for 3mm small magnets are galvanized, nickel-plated, and you can also choose gold-plated.

What is the strength and tensile force of the surface magnetic field with a diameter of 3mm?

N35 grade 3x5mm neodymium round magnet, thickness magnetization, surface magnetism is about 4000 gauss, vertical pulling force is about 0.24kg

N42 grade D3x1.5mm round magnet, about 3300 gauss, vertical pulling force about 0.16kg

N42 small round magnet 3x2mm, the magnetic field strength is about 3690 Gauss, the vertical pulling force is about 0.21kg

N42 diameter is 3mm, thickness is 1mm, surface magnetic strength is about 2600 Gauss, vertical tension is 0.11kg

3mm diameter ball magnet, the surface magnetic field size is about 3610 Gauss, the vertical pulling force is 0.04kg

Thickness magnetization 3x15mm magnet, surface magnetization 4610gs, vertical pull 0.32kg

The above is the introduction of the magnetic field strength and pulling force of 3MM neodymium magnets. The data is for reference only. If you need a large number of wholesale strong small magnets, please contact Courage, the price may be lower.

Neodymium Magnets
Neodymium magnets are a member of the Rare Earth magnet family and are the most powerful permanent magnets in the world. Neodymium magnets’ popularity has grown rapidly due to their high Maximum Energy Product and their wide range of available shapes, sizes, and grades.
Neodymium magnets can be manufactured by sintering, compression bonding.

Plating /Coating
The Neodymium magnet is easy corrosive, so its surface is usually treated with some special methods. Nickel is the most common and usually preferred to protect the magnet from corrosion. Our Nickel plated magnets are actually tripled plated with layers of nickel, copper, and nickel again. This triple coating makes our magnets much more durable than the more common single nickel plated magnets. Some other options for coating are Zinc, Tin, Silver, Gold plating, Phosphor and Spray Epoxy Resin .
Compression bonded neodymium iron boron magnets and neodymium bonded magnets supplier

Applications of Neodymium Magnets
Linear Actuators
Microphone Assemblies
DC Motors(Automotive starter)
Servo Motors
Magnetic Separators
Computer rigid disc drivers,printers and speakers
Compression bonded neodymium iron boron magnets and neodymium bonded magnets supplier

Attributes of NdFeB Material
Very high resistance to demagnetization
High energy for size
Good in ambient temperature
Moderately priced
Material is corrosive and should be coated for long term maximum energy output
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