5mm x 5mm - Black Epoxy Small Rare Earth Neodymium Magnet

Grade & Size & Shape of our magnets can be customized according to your requirements.
One-Stop Service: Designing, Tooling set up, Manufacturing, Co-Packing, and Delivery.


Black Epoxy Small Rare Earth Neodymium Magnet


Neodymium Iron Boron Magnets

Brand Name

Jin Tong


5mm x 5mm or According to customers' request


Standard +/-0.05mm, Min.+/-0.03mm;
a. Before grinding and cutting, we inspect the black product tolerance;
b. Before and after coating, we will inspect the tolerance by AQL standard;
c. Before delivery, will inspect the tolerance by AQL standard.


Black epoxy (Ni, Zn, NiCuNi, gold, silver, copper epoxy can be customized)


N35-N52( M, H, SH, UH, EH, AH series ) to choose from


1000 pcs



Black Epoxy Small Neodymium Magnet

1. How Strong is Neodymium Magnet?

-- Different NdFeB Magnet Parameters:

Black Epoxy Small Rare Earth Magnet

2. Surface Treatment

There have many plating options like Nickel coating, Zinc, Gold, Black Epoxy, White Epoxy and so on.
Zn and Nickle coating is the most popular coating.

After plating, has a good rust, corrosion resistance.

Different coatings for your choose


 Suface Color

Coating Thickness


Salt Spray Test 


Blue White

5 ~ 10 Microns

Have a high anti-corrosion ability

> 24 hr 


Glowing Sliver

15 ~ 30 Microns 

Applicable to a more harsh enviroment

> 48 hr 



15 ~ 30 Microns

Toy, insulation machinery

> 300 hr 



5 ~ 10 Microns

Decorative, heathy-care 

> 24 hr

Black Epoxy Neodymium Magnet

3. Magnetization Side

Black Epoxy Small Neodymium Magnet

Application of Black Epoxy Small Neodymium 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.

Epoxy Neodymium 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

Small Rare Earth 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.