4x23mm N45 Grade Nickel Coating MOQ2000PCS

Material: Sintered Neodymium Iron Boron Grade: N45 Tolerance:Standard +/-0.05mm, Min.+/-0.03mm Magnetized through the 5mm thickness Nickel-Copper-Nickel triple layer coating for superior durability


Sintered Neodymium Iron Boron


Standard +/-0.05mm, Min.+/-0.03mm

Magnetization Orientation

Axial, Diametrical, Axial in Segments

Magnetic Properties

Grade: N35, N38, N40, N42, N45, N48, N50, N52
Max. Operating Temperatures: 80°C (176°F)
Grade: N35M, N38M, N40M, N42M, N48M, N50M, N52M
Max. Operating Temperatures: 100°C (212°F)
Grade: N35H, N40H, N42H, N45H, N48H
Max. Operating Temperatures: 120°C (248°F)
Grade: N50H, N52H
Operating Temperatures: 110°C (230°F)
Grade: N35SH, N38SH, N40SH, N42SH, N45SH, N48SH
Operating Temperatures: 150°C (302°F)
Grade: N35UH, N38UH, N40UH, N42UH, N45UH
Operating Temperatures: 180°C (356°F)

Surface Treatment

Ni-Cu-Ni, Nickel, Zn, Gold, Silver, Copper, Epoxy etc.



Part Number

Brand Name
Jin Tong
Nickel Sliver 

Magnetization side:



Application of Cylinder Magnet

Acoustic field: the speaker, receiver, microphone, alarm, stage audio, car audio and so on.

Electronics: permanent magnetic actuator vacuum circuit breakers, magnetic relays, meter, meter, sound meter, a reed switch, sensors.

Electrical field: VCM, CD / DVD-ROM, generators, motors, servo motors, micro-motors, motors, vibration motors.

Machinery and equipment: magnetic separation, magnetic crane, magnetic machinery.

Healthcare: MRI scanners, medical equipment, magnetic health products and so on.

Other industries: magnetized Wax, pipe descaling, magnetic fixture, automatic mahjong machine, magnetic locks, doors and windows magnetic, magnetic luggage, leather magnetic toys, magnetic tools, gifts and packaging.

Mini Magnet

Magnets Package:

1. Disc Magnet is a special goods for delivery, and they have to make special packing before transportation.

2. Antimagnetic Packaging / Neutral Packing / Custom-make Welcome

Mini Round Neodymium Magnet

Warning :

1. Keep away from pacemakers.

2. Powerful magnets may hurt your fingers.

3. Do not touch for children, parental supervision required.

4. All magnets may be chip and shatter, but if it is used correctly, it can last a lifetime.

5. If the magnet is damaged, please dispose of completely. Shards are still magnetized.

6. If magnet is swallowed, it will be very dangerous. 

Consultation Contact us

Jin Tong Magnet will join in CWIEME exhibition in Berlin International Convention Center from May 10th to 12th, 2022. Our booth number is 52C01. If you are convenient, we warmly welcome you to visit our booth.