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strong neodymium factory round countersunk magnets

Countersunk NdFeB Pot Magnet


1.Dimensions: Dia from 12mm to 120mm


2.Materials: NdFeB,Grade N35 to N52 (M,H,SH,UH,EH AH)


3.Plating/Coating: Zinc,Nickel,Epoxy or Color paint.


4.Magnetization direction: Axial magnetized


5.Max operating temp.: 80 to 220 degrees celsius


They are ideal for using in fixing applications such as doors,panels,marketing displays,light fixtures and fittings.

Product Detail
Product Detail

This pot magnet with a countersunk hole,can easy use screw to mount on the wall,ceiling or your other application.Normally the hole can with M3,M4,M5,M6,M8 or as your request type of screw to custom.


1.Standard size of countersunk neodymium pot magnet


Model D(mm) d(mm) d1(mm) H(mm) Weight(g) Pull Force(KG)
KM-SNA12 12 3.5 6.5 4.5 4 2.5
KM-SNA16 16 3.5 6.5 5 7 6
KM-SNA20 20 4.5 8.6 7 14 11
KM-SNA25 25 5.5 10.6 8 25 22
KM-SNA32 32 5.5 10.6 8 42 32
KM-SNA36 36 6.5 11.3 8 54 43
KM-SNA42 42 6.5 11.3 8.6 78 65
KM-SNA48 48 8.5 19 10.8 120 75
KM-LNA48 48 8.5 15.5 11 138 75
KM-LNA55 55 8.5 14.5 12 205 95
KM-LNA60 60 8.5 14.5 15 305 160
KM-LNA70 70 10.5 16.5 17 485 210
KM-LNA75 75 10.5 16.5 18 560 250
KM-LNA80 80 10.5 16.5 18 668 300
KM-LNA90 90 10.5 16.5 18 850 380
KM-LNA120 120 12.5 22.5 18 1520 480


2.Technical informations

Dimensions: Standard size or custom

Grade of magnet: N35,N42,N52,or higher grade of magnet can be customzed for high temperature requirements,such as M or H series and the temp. resistance is 100 deg.c or 120 deg.c

Processing technology of steel cup: Stamping machining or lathe machining.

Surface treatment: Znic,Nikcel,Chrome,Epoxy,Color paint.

Tolerance: +/-0.05mm

Vertically force: From 2.5 Kg to 480 Kg



3.The main types of pot neodymium magnets

1. Countersunk hole type

2. Straight hole type

3. External thread type

4. Screwed bush type

5. Internal thread hole

6. Deep pot type

7. Block shape with one or two countersunk hole

Depending on the requirements of your installation,you can choose the appropriate type.

Here is the catalog of pot neodymium magnet,or you can download it by clicking the "Download" menu in the upper right corner.


4.Grade of NdfeB Magnet: 

If your application is at room temperature only,the N series is the best choice,with a max operating temperature 80 degrees Celsius. In the N series,the N55 grade has strongest magnetic force,and is also the most expensive. Generally speaking,the N35 grade is relatively cost-effective and also have strong magnetic force.But which grade to choose depends on your pursuit of magnetic force or say application.

The higher the temperature of resistance of the magnet,the more expensive it is.For example,N35 grade and N35M grade have the same magnetic force,but the max opearting temp. of N35M is 100 degrees Celsuis

Please click here to check the properities of sintered neodymium magnet.

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If you are interested in our products and want to know more details,please leave a message here,we will reply you as soon as we can.

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