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China Courage Magnet Manufacturer

14 Years High Performance Permanent Magnet Supplier & Factory


18mm diameter 20mm thick cylindrical magnet with countersunk hole

Material:Sintered rare earth neodymium

Shape:Sink hole/Hollow cylinder

Appearance:Silvery white

Grade:N35-N52 (M.H.SH.UH.EH.AH)

Coating:Ni-Cu-Ni (Nickel)

Tolerance:+ / - 0.05 mm

Packing:PP + White Box + Carton

Pull Force:No test

Delivery Time:10-15 days

Place Of Origin:Dongguan, China

Working Temperature:80~220℃

Magnetizing Direction:Through the thickness

Surface Magnetic Strength:> 3500 Gauss

  • Product Details
  • Why Choose Us
  • FAQs
  • Packing & Delivery

This sample is a cylindrical countersunk magnet ring with a diameter of 18mm and a height of 20mm. It is a magnet with a cylindrical shape and a central groove or hole at the bottom, commonly referred to as a countersunk hole. This design allows magnets to work better with other objects and provide specific applications and functions. They are commonly used in mechanical manufacturing, electronics, automation, medical devices, and magnetic fixation and adsorption.

We have a great price advantage for processing countersunk magnet (ring square rectangle), and have no large requirements for the minimum order quantity. We support T/T, Paypal, L/C, Western union and other payment methods.

What you may need;

Countersunk ring magnets

Rectangle countersunk magnets

Square countersunk magnets

Other 18mm countersunk hole neodymium magnets;

18mm dia neodymium disc countersunk hole magnets 18x4.3x5mm

Dongguan Courage Magnetoelectric Technology Co., Ltd. is a Chinese magnet manufacturer specializing in the production of strong neodymium magnets, ceramic ferrite magnets, motor multipole magnets. We have cooperated with many customers for many years, mainly for the following reasons:

1, We are good at processing high performance, high precision, high difficulty magnet, especially in the field of DC motor magnet, have strong professional knowledge, experience.

2, We have a professional production, sales, design team, based on the industry for more than 14 years.

3, We have advanced magnet production and testing equipment, according to customer requirements to design, production of special requirements of magnet products,

4. The company's products have passed SGS, ROHS, REACH certification and a complete ISO9001 quality management system, specializing in providing high-quality permanent magnet products to customers in various countries.

5. Experience in serving Western, Asian and North American companies, we also have close ties with other regions, fedex or DHL can deliver,

6, Even if our customers do not know much about magnets, we will help and provide accurate product solutions.

You may be interested;

Courage Magnet Manufacturer Magnet Testing Certificate & Report

You may be interested in these magnet problems (Q&A) ;

1、Could you give me some magnet samples?

Yes, we have magnets in stock to help you get samples as soon as possible.

2、How long will it take me to get a reply to your email or inquiry?

We will contact you as soon as possible within 12 hours.

3、Why don't the magnets on your company website say the price?

Magnets belong to functional products, most customers have different requirements for magnets, such as material, shape, performance, tolerance, temperature resistance, purchase quantity, etc., we can customize processing according to your requirements, so we need to clarify your specific needs and then give you a quote.

4、Do you guarantee the quality of your magnet products?

We have ISO,SGS and REACH certifications. If necessary, we can send you relevant materials.

5、May I come and visit your magnet factory?

Sure. We'll show you around our factory if you want.

6、What is your delivery time?

See if there is spot stock, if there is immediately can be arranged to send, if there is no need to process in 10-30 days or so, depending on what kind of magnet.

More Questions and Answers about Magnets:

Courage magnet manufacturer magnet packaging and delivery method:

China Courage magnet manufacturer magnet packaging and delivery method

The magnets we make are mainly delivered to you by sea or air. The packaging is generally neutral packaging, shielded packaging, vacuum packaging, pallets, etc., which can be packed according to your requirements.


a: Express (TNT, DHL, FedEx, UPS, etc.), air freight, sea freight.

b: The weight is less than 40Kgs. We suggest sending it to you by shield box.

c: It weighs between 40 kg and 100 kg. It can be expressed or shipped by air.

d: The weight is over 100 kg. We suggest sea transportation.

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