N52 Round Cylinder Magnet 20*20mm in Strong Power Diametric Cylinder Magnets
Port:
Shanghai, China
Production Capacity:
5000000pieces/Year
Payment Terms:
L/C, T/T, Western Union, Paypal
Nanjing Huajin Magnet Co., Ltd.
Jiangsu, China
Last Login Date:
Nov 28, 2025
Main Products:
Neodymium Magnet, NdFeB Magnet, Rare Earth Magnet, Permanent Magnet, PVC Magnetic Button, Magnet Rod/Bar, Block Magnet, Ring Magnet, Disc Magnet, Magnet Filter
Product Description
Company Info
Basic Info.
Model NO.
D35*16mm
Application
Speaker Magnet, Industrial Magnet, Motor Magnet
Shape
Cylinder
Coating
Zinc/Nickel
Grade
N35-N52, 38m-48m, 35h-48h, 33sh-44sh, 30uh-35uh
Type
Permanent&Strong
Composition
NdFeB Magnet
Sample
Available
Working Temp.
80-200c
Tolerance
+/-0.05mm
Lead Time
5-7 Days
Certification
SGS/RoHS/MSDS
Factory
Since 2009
Trademark
HJ
Transport Package
Box or Carton
Specification
20*20mm
Origin
Nanjing, Jiangsu
HS Code
85051110
Product Description
N52 Round Cylinder Magnet 20*20mm in Strong Power Diametric Cylinder Magnets
Support ODM / OEM. Free Samples Available!
Product Description
| Item | High Quality Permanent Neodymium Block Magnet |
| Brand name | Huajin Magnet |
| Usage | Industry, food industry, Medical, Clothes ect. |
| Material | Neodymium-iron-boron |
| Process | Sintering-Machining-Coating-Magnetizing-Packing |
| Size | Customized |
| Tpye | Permanent&strong |
| M.O.Q | 100PCS per Size |
| Coating | Zinc&nickel |
| Grade | N35-N52, N35M-N50M, N35H-N48H, N33SH-N45SH, N30UH-N35UH, N30EH-N35EH |
| Packing | carton & wooden & pallet & by customer requirements. |
| Delivery time | 3-10 days after order confirmation |
| Payment term | T/T, L/C, PayPal, Western Union |
| Trade term | EXW, FOB, F&C, FCR, CIF ect. |
| Certifications | SGS, MSDS, ROHS |
| Main products | Round/block/ring magnet, PVC magnetic button, magnet filter, magnetic rod/bar/stick |
https://huajinmag.en.made-in-china.com/product-group/CqFTMBjoQzkP/Cylinder-Magnet-1.html
| Grade | Remanence | Coercivity Force | Intrinsic Coercive Force | Max. Energy Product | Temp. | ||||
| Br | Hcb | Hcj | (BH)max | ||||||
| mT | kGs | kA/m | kOe | kA/m | kOe | kJ/m3 | MGOe | ||
| N35 | 1170-1220 | 11.7-12.2 | ≥ 868 | ≥ 10.9 | ≥ 955 | ≥ 12 | 263-287 | 33-36 | 80 ° C |
| N38 | 1220-1250 | 12.2-12.5 | ≥ 899 | ≥ 11.3 | ≥ 955 | ≥ 12 | 287-310 | 36-39 | 80 ° C |
| N40 | 1250-1280 | 12.5-12.8 | ≥ 907 | ≥ 11.4 | ≥ 955 | ≥ 12 | 302-326 | 38-41 | 80 ° C |
| N42 | 1280-1320 | 12.8-13.2 | ≥ 915 | ≥ 11.5 | ≥ 955 | ≥ 12 | 318-342 | 40-43 | 80 ° C |
| N45 | 1320-1380 | 13.2-13.8 | ≥ 923 | ≥ 11.6 | ≥ 955 | ≥ 12 | 342-366 | 43-46 | 80 ° C |
| N48 | 1380-1420 | 13.8-14.2 | ≥ 923 | ≥ 11.6 | ≥ 876 | ≥ 12 | 366-390 | 46-49 | 80 ° C |
| N50 | 1400-1450 | 14.0-14.5 | ≥ 796 | ≥ 10.0 | ≥ 876 | ≥ 11 | 382-406 | 48-51 | 60 ° C |
| N52 | 1430-1480 | 14.3-14.8 | ≥ 796 | ≥ 10.0 | ≥ 876 | ≥ 11 | 398-422 | 50-53 | 60 ° C |
| 35M | 1170-1220 | 11.7-12.2 | ≥ 868 | ≥ 10.9 | ≥ 1114 | ≥ 14 | 263-287 | 33-36 | 100 ° C |
| 38M | 1220-1250 | 12.2-12.5 | ≥ 899 | ≥ 11.3 | ≥ 1114 | ≥ 14 | 287-310 | 36-39 | 100 ° C |
| 40M | 1250-1280 | 12.5-12.8 | ≥ 923 | ≥ 11.6 | ≥ 1114 | ≥ 14 | 302-326 | 38-41 | 100 ° C |
| 42M | 1280-1320 | 12.8-13.2 | ≥ 955 | ≥ 12.0 | ≥ 1114 | ≥ 14 | 318-342 | 40-43 | 100 ° C |
| 45M | 1320-1380 | 13.2-13.8 | ≥ 995 | ≥ 12.5 | ≥ 1114 | ≥ 14 | 342-366 | 43-46 | 100 ° C |
| 48M | 1360-1430 | 13.6-14.3 | ≥ 1027 | ≥ 12.9 | ≥ 1114 | ≥ 14 | 366-390 | 46-49 | 100 ° C |
| 50M | 1400-1450 | 14.0-14.5 | ≥ 1033 | ≥ 13.0 | ≥ 1114 | ≥ 14 | 382-406 | 48-51 | 100 ° C |
| 35H | 1170-1220 | 11.7-12.2 | ≥ 868 | ≥ 10.9 | ≥ 1353 | ≥ 17 | 263-287 | 33-36 | 120 ° C |
| 38H | 1220-1250 | 12.2-12.5 | ≥ 899 | ≥ 11.3 | ≥ 1353 | ≥ 17 | 287-310 | 36-39 | 120 ° C |
| 40H | 1250-1280 | 12.5-12.8 | ≥ 923 | ≥ 11.6 | ≥ 1353 | ≥ 17 | 302-326 | 38-41 | 120 ° C |
| 42H | 1280-1320 | 12.8-13.2 | ≥ 955 | ≥ 12.0 | ≥ 1353 | ≥ 17 | 318-342 | 40-43 | 120 ° C |
| 45H | 1300-1360 | 13-13.6 | ≥ 963 | ≥ 12.1 | ≥ 1353 | ≥ 17 | 326-358 | 43-46 | 120 ° C |
| 48H | 1370-1430 | 13.7-14.3 | ≥ 995 | ≥ 12.5 | ≥ 1353 | ≥ 17 | 366-390 | 46-49 | 120 ° C |
| 33SH | 1130-1170 | 11.3-11.7 | ≥ 844 | ≥ 10.6 | ≥ 1592 | ≥ 20 | 247-271 | 31-34 | 150 ° C |
| 35SH | 1170-1220 | 11.7-12.2 | ≥ 876 | ≥ 11.0 | ≥ 1592 | ≥ 20 | 263-287 | 33-36 | 150 ° C |
| 38SH | 1220-1250 | 12.2-12.5 | ≥ 907 | ≥ 11.4 | ≥ 1592 | ≥ 20 | 287-310 | 36-39 | 150 ° C |
| 40SH | 1240-1280 | 12.5-12.8 | ≥ 939 | ≥ 11.8 | ≥ 1592 | ≥ 20 | 302-326 | 38-41 | 150 ° C |
| 42SH | 1280-1320 | 12.8-13.2 | ≥ 987 | ≥ 12.4 | ≥ 1592 | ≥ 20 | 318-342 | 40-43 | 150 ° C |
| 45SH | 1320-1380 | 13.2-13.8 | ≥ 1003 | ≥ 12.6 | ≥ 1592 | ≥ 20 | 342-366 | 43-46 | 150 ° C |
| 30UH | 1080-1130 | 10.8-11.3 | ≥ 812 | ≥ 10.2 | ≥ 1990 | ≥ 25 | 223-247 | 28-31 | 180 ° C |
| 33UH | 1130-1170 | 11.3-11.7 | ≥ 852 | ≥ 10.7 | ≥ 1990 | ≥ 25 | 247-271 | 31-34 | 180 ° C |
| 35UH | 1180-1220 | 11.8-12.2 | ≥ 860 | ≥ 10.8 | ≥ 1990 | ≥ 25 | 263-287 | 33-36 | 180 ° C |
| 38UH | 1220-1250 | 12.2-12.5 | ≥ 876 | ≥ 11.0 | ≥ 1990 | ≥ 25 | 287-310 | 36-39 | 180 ° C |
| 40UH | 1240-1280 | 12.5-12.8 | ≥ 899 | ≥ 11.3 | ≥ 1990 | ≥ 25 | 302-326 | 38-41 | 180 ° C |
Company Profile
Nanjing Huajin Magnetic Materials Co., Ltd. specialize in the production and sale of magnetic NdFeB, magnetic bar, magnetic products, magnetic frame.
Magnets of various shapes and sizes can be produced according to customer requirements, such as pack diskette, the motor magnetic tile, magnetic ring, toy bar magnet, magnetic ball, with the exception of iron magnetic rods, magnetic hooks, magnetic separator box;
Surface treat:Gold, silver, plated epoxy, nickel-plated copper-nickel, zinc, chromium, titanium (zinc,black zinc, color zinc), above the surface treatment to meet environmental requirement.
Magnets of various shapes and sizes can be produced according to customer requirements, such as pack diskette, the motor magnetic tile, magnetic ring, toy bar magnet, magnetic ball, with the exception of iron magnetic rods, magnetic hooks, magnetic separator box;
Surface treat:Gold, silver, plated epoxy, nickel-plated copper-nickel, zinc, chromium, titanium (zinc,black zinc, color zinc), above the surface treatment to meet environmental requirement.
Customized Services:
1. Customized Material Neodymium Grade: N35-N52, N35M-N50M, N35H-N48H, N33SH-
N45SH, N30UH-N35UH, N30EH-N35EH;
2. Customized Shaped magnet: Round / block / ring / cylinder / countersunk / arc /segment other irregular shapes.
3. Custom packaging. Usually we packed the magnet with vacuum polybag. Then packed
in stop magnetic metal box. We can also make the package as your requirements.
4. Customized Mark: to distinguish N & S pole. 5. Custom coating. We can coated in Nickel. Zinc, Chromium as your requirements.
6. Customized Working temp.: <80ºC;80ºC-200ºC
1. Customized Material Neodymium Grade: N35-N52, N35M-N50M, N35H-N48H, N33SH-
N45SH, N30UH-N35UH, N30EH-N35EH;
2. Customized Shaped magnet: Round / block / ring / cylinder / countersunk / arc /segment other irregular shapes.
3. Custom packaging. Usually we packed the magnet with vacuum polybag. Then packed
in stop magnetic metal box. We can also make the package as your requirements.
4. Customized Mark: to distinguish N & S pole. 5. Custom coating. We can coated in Nickel. Zinc, Chromium as your requirements.
6. Customized Working temp.: <80ºC;80ºC-200ºC
Purchasing Guides:
To offer you prompt and best prices, please kindly furnish us the following details:
1) The dimension, coating, grade and magnetism direction(Axial or Radial)
2) Order Quantity( Prices depends on quantities)
3) Application(If you are not sure about the size, please let us know the usage, then we can give some professional recommends)
4) Drawings offering if you have.
5) Other customized requirements
To offer you prompt and best prices, please kindly furnish us the following details:
1) The dimension, coating, grade and magnetism direction(Axial or Radial)
2) Order Quantity( Prices depends on quantities)
3) Application(If you are not sure about the size, please let us know the usage, then we can give some professional recommends)
4) Drawings offering if you have.
5) Other customized requirements
Material Grade of NdFeB magnets:
Magnet N-( N35, N38, N40, N42, N45, N48, N50),
Magnet M-(35M, 38M, 40M, 42M, 45M, 48M),
Magnet H-(35H, 38H, 40H, 42H, 45H),
Magnet SH-(30SH, 33SH, 35SH, 38SH, 40SH, 42SH),
Magnet UH-( 28UH, 30UH, 33UH, 35UH, 38UH),
Magnet EH-(28EH, 30EH, 30EH, 33EH, 35EH)
Widely Applications of neodymium magnets:
1) Servomotor, step motor, DC motor and linear motor
2) Loudspeaker, headphone, earphone and microphones
3) Medical Industry: Medical equipment, Magnetic therapy products
4) Holding system equipment; 5) Automobile industry:
6) Research and development, as well as many other applications
7) Home decoration: Curtain, magnetic sticker
8) Magnetic Separators - Used for recycling, food and liquids QC, waste removal.
1) Servomotor, step motor, DC motor and linear motor
2) Loudspeaker, headphone, earphone and microphones
3) Medical Industry: Medical equipment, Magnetic therapy products
4) Holding system equipment; 5) Automobile industry:
6) Research and development, as well as many other applications
7) Home decoration: Curtain, magnetic sticker
8) Magnetic Separators - Used for recycling, food and liquids QC, waste removal.
Packaging & Shipping
Package: Magnetic Isolation Package
Carton: 36*27*15CM
2. By Air: Short Delivery Time, 3-7 days.
3. By Sea: Cheap Shipping Cost, 7-30 days.
FAQ
1. How to get prompt quotation?
Kindly offer us the specific size, quantity, coating(zinc/nickel), magnetism direction ect other requiries. Then best price will be offered ASAP.
(1) Sample: 5-7 days.
(2) Batch quantity: 7-12 days.
3.What's the MOQ?
(1) Spot Stocks: No MOQ;
(2) Regular Size: 500 PCS, 1000 PCS, 2000 PCS, 5000 PCS ect.
(3) Other Size: 2000 PCS, 5000 PCS, 10000 PCS ect.
4. Terms of Paymemt:
(1). T/T in advance(telegraphic transfer-bank order)
(2). Western Union cash - for small order or samples order.
(3). PayPal- for small order, quick receipt
Please feel free to contact me for any questions and requiries.
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