Wholesale Price Custom Magnets - 5mm by 3mm small thin circle neodymium magnets for jewelry – Jammymag
Wholesale Price Custom Magnets - 5mm by 3mm small thin circle neodymium magnets for jewelry – Jammymag Detail:
- Place of Origin:
-
Zhejiang, China (Mainland)
- Brand Name:
-
no
- Model Number:
-
no
- Type:
-
Permanent
- Composite:
-
Neodymium Magnet
- Shape:
-
Coil
- Application:
-
Industrial Magnet
- Name:
-
5mm by 3mm small thin magnets for jewelry
- Material:
-
neodymium magnet
- Coating:
-
Ni-Cu-Ni,zinc,Epoxy etc
- Tolerance:
-
0.05mm-0.1mm
- Grade:
-
N35-N52 (M.H.SH.UH.EH)
- Size:
-
Customized Size
- Processing:
-
Sintered
- MOQ:
-
1piece
- Advantage:
-
thousands of disc molds
- Certification:
-
ROHS,EN71-3
- Supply Ability:
- 200000 Piece/Pieces per Day
- Packaging Details
- With small inner box(12*9*7cm),and carton box(29*25*22cm)
With foam and iron piece to protect the magnets inside
- Port
- Ningbo,Shanghai
- Lead Time :
-
Quantity(Pieces) 1 – 200000 200001 – 1000000 >1000000 Est. Time(day) 12 18 To be negotiated


Wholesale Customized Industrial ndfeb permanent magnet
Item | 5mm by 3mm small thin magnets for jewelry | |
Material | neodymium-iron-boron | |
Shape available |
Disc,Cylinder,Block,Ring,Countersunk,Segment,Trapezoid,Irregular shapes and more;More shapes can be customized. | |
Working Temperature |
Grade | Temp.Coefficient |
N35-N52 | 80°C (176°F) | |
N35M-N45M | 100°C (212°F) | |
N33H-N42H | 120°C (248°F) | |
N30SH-N40SH | 150°C (302°F) | |
N28UH-N35UH | 180°C (356°F) | |
N28EH-N38EH | 180°C (356°F) | |
N30AH-N33AH | 220°C (428°F) | |
Technology | We have advanced R&D center,quality control and professional machining technicians. | |
Application | Neodymium magnet raw magnetrials are widely used in industrial field,such as speaker,louder speaker,sensor,motor,alternator ect;And also it is popular in ladies bags,purses,shoes,crafts and jewelry ect. |






Physical performance of neodymium magnets
Physical Performance of Sintered Neodymium Magnet |
||
Parameter |
Unit |
Reference |
Density |
g/cm3 |
7.4-7.6 |
Vickers Hardness |
HV |
500-600 |
Resistivity |
μΩ·m |
1.4-1.6 |
Compressive Strength |
MPa |
1000-1100 |
Tensile Strength |
MPa |
80-90 |
Thermal Conductivity |
W/(m.K) |
8-10 |
Young’s Modulus |
Gpa |
150-200 |
Vertical Thermal Expansion Coefficient |
10-6/K |
1-3 |
Parallel Thermal Expansion Coefficient |
10-6/K |
3-4 |


















Product detail pictures:



Related Product Guide:
continue to improve, to ensure product quality in line with market and customer standard requirements. Our company has a quality assurance system have been established for Wholesale Price Custom Magnets - 5mm by 3mm small thin circle neodymium magnets for jewelry – Jammymag, The product will supply to all over the world, such as: El Salvador, Maldives, Kuala Lumpur, We guarantee that our company will try our best to reduce customer purchase cost , shorten the period of purchase , stable products quality , increase customers' satisfaction and achieve win-win situation .
Specialize in Neodymium Magnets and Magnets Device
Manufacture Magnet Since 2003
Export magnet Since 2009
Pass Certificate En71, Astm-F963, CPC ,CSPIA
Let Us Help You to Expand Your Business!
Contact us Now!
About Sample:
1 Can we get free sample?
1.1 Yes,we have over 400 sizes available, Usually sample quantity is 5-10 pcs, It is free. Check stock sizes files , through our web page’s menu “Download” (refresh cycle:2 month); Also Welcome to contact us for newest information of free sample.
1.2, if our stock sizes cannot meet your requirement, we also can manufacture some samples.usualy its quantity is 5-10 pcs. If u need much quantity, or much sizes samples, welcome to contact us.
1.3 You just pay DHL express fee or use your own DHL collection account. We prefer DHL , because DHL can supply magnetism test service. We will use magnetism-shield package.
Or, express to your cargo agent in china (we will payed the express fee from factory to agent office). We will use magnetism-shield package. too
2 If we paid for the sample charge,can we get the charge back when we place an order next time?
Yes,we will refund you sample fee when you place an order. You just subtract the fee in total payment.

Goods just received, we are very satisfied, a very good supplier, hope to make persistent efforts to do better.
