Super Strong Rare Earth Magnet Disc D7X4 mm Round Neodymium Magnet

• Customization: Available
• Application: Electronic Products, Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet
• Shape: All Shapes
• Model NO.: ndfeb magnet disc
• Coating: Nicuni,Zinc,Expoy,Au,Silver,Plastic
• Grade: N35-N54-36H
• Grade More: N35-N52 (M.H.Sh.Uh.Eh.Ah)
• Type: Permanent, Never Loss Magnetic Power
• Characteristic: High Coercivity (Hcj)
• Tolerance: +/- 0.05mm
• Max Working Temperature: 80-230 Degree Celcius
• Testing: Salt Spray Testing
• Report: MSDS, RoHS
• MOQ: No MOQ
• Sample: Yes, Free Sample
• Processing Service: Bending, Welding, Decoiling, Cutting, Punching, Mo
• Equipment: Icp, Hast Chamber
• R&D Team: Over 10 Years Work Experience
• Strength Packing: Yes, with Pallet
• Supply Ability: 10000PCS / Week
• Leading Time: 15-25 Days
• Transport Package: with Metal Plate, Suitable for Air Shipping
• Specification: NdFeb Magnet
• Trademark: Yohan
• Origin: Zhejiang, Ningbo
• HS Code: 850511
• Production Capacity: 10000PCS / Week

Product Description

Item Name

Super Strong Rare Earth Magnet Disc D 7x4 mm Round Neodymium Magnet  

• Dimensions: 7 mm dia. x 4mm thickness
• Magnetic Face: 7mm diameter face
• Magnets Type: Permanent
• Material: NdFeB, Neodymium
• Grade: N35
• Plating /Coating: Zn-Plated (Zinc)
• Magnetization Direction: Axial(Poles on Flat Ends)
• Weight: 1 g / piece
• Max Operating Temp: 176°F (80°C)
• Quantity:  50 pieces / pack
• Ages:7+ ages, both for kids and adults

If you dont need this dimension ,kindly inform us - diameter,thickness,grade ,coating & quantity .

Get Price & Sample

Shape,dimension,coating,grade  all can be Customized Made 

Why Choose us ?

1.    Professional Manufacturer with 10 years exporting experience 
2.    5%-10% lower price other suppliers 
3.    Fast and Safety Delivery 
4.    R&D support and OEM Production 
5.    24 hours Service everyday 

Yohan Magnetics one of market leader for magnet business more than 15 years .

We had the honor to serve ( Kohler USA), ( Huawei China )

All our items is made according to CHINA ROHS 2 and we have team work after sales service &7*24 .

We are ready to sign a contract with you , as honest dealer we never crook our clients .

Time is gold for you and for us . so we have professional production line and stuff whom can making a nice quality in short time .

We arenot the cheapest price and not top quality in China , but we will be right supplier of you

1. If you request grade is N35 , we will send you real N35 material . NOT second quality or lower grade to instead .

2. In production , we will keep standard tolerence +/-0.05mm . NOT send you smaller , for example if 20mm in diameter , we will
NOT send you 19.8mm . To be frank , you can not see the difference by eyes

3. Outlook of magnet , very shine , good quality , and no brokens . NOT bad quality ,looks dirty or bad quality from surface .

4. Pack them well , good quality for magnet which keep arrival at your door in good condition .

5. Also supply your additional service - if something we can do for you more .

6. Important - our material is made by ourselves , we can keep magnetic power ,check each step in production .

All Shapes and Grade can be made 

Kindly send us your magnet details ,Quotation will be made according to it


 

Product Shapes

Kick above image and find more details 

Contact with us to get a free customized sample ,we will help you to find 100% correct magnet for your production 
 

Product Parameters

Magnetic and Physical Properties of Sintered NdFeB Magnet
Grade
	Residual Induction (Br)		Coercive Force      (Hcb)		Intrinsic Coercive Force (Hcj)		Max Energy Product (BH)max		Temp. Coefficient             Tk		Max Working Temp.	Curie Temp.
	T	kGs	kA/m	kOe	kA/m	kOe	kJ/m³	MGOe	%/ºC(Br)	%/ºC(Hcj)	ºC	ºC
N35	1.17-1.22	11.7-12.2	≥868	≥10.9	≥955	≥12	263-287	33-36	-0.12	-0.70	80	310
N38	1.22-1.25	12.2-12.5	≥899	≥11.3	≥955	≥12	287-310	36-39	-0.12	-0.70	80	310
N40	1.25-1.28	12.5-12.8	≥907	≥11.4	≥955	≥12	302-326	38-41	-0.12	-0.70	80	310
N42	1.28-1.32	12.8-13.2	≥915	≥11.5	≥955	≥12	318-342	40-43	-0.12	-0.70	80	310
N45	1.32-1.38	13.2-13.8	≥923	≥11.6	≥955	≥12	342-366	43-46	-0.12	-0.70	80	310
N48	1.38-1.42	13.8-14.2	≥923	≥11.6	≥955	≥12	366-390	46-49	-0.12	-0.70	80	310
N50	1.40-1.45	14.0-14.5	≥796	≥10.0	≥876	≥11	382-406	48-51	-0.12	-0.70	80	310
N52	1.43-1.48	14.3-14.8	≥796	≥10.0	≥876	≥11	398-422	50-53	-0.12	-0.70	80	310
N35M	1.17-1.22	11.7-12.2	≥868	≥10.9	≥1114	≥14	263-287	33-36	-0.12	-0.70	100	310
N38M	1.22-1.25	12.2-12.5	≥899	≥11.3	≥1114	≥14	287-310	36-39	-0.12	-0.70	100	310
N40M	1.25-1.28	12.5-12.8	≥923	≥11.6	≥1114	≥14	302-326	38-41	-0.12	-0.70	100	310
N42M	1.28-1.32	12.8-13.2	≥955	≥12.0	≥1114	≥14	318-342	40-43	-0.12	-0.70	100	310
N45M	1.32-1.38	13.2-13.8	≥995	≥12.5	≥1114	≥14	342-366	43-46	-0.12	-0.70	100	310
N48M	1.37-1.43	13.7-14.3	≥1027	≥12.9	≥1114	≥14	366-390	46-49	-0.12	-0.70	100	310
N50M	1.40-1.45	14.0-14.5	≥1033	≥13	≥1114	≥14	382-406	48-51	-0.12	-0.70	100	310
N35H	1.17-1.22	11.7-12.2	≥868	≥10.9	≥1353	≥17	263-287	33-36	-0.12	-0.70	120	310
N38H	1.22-1.25	12.2-12.5	≥899	≥11.3	≥1353	≥17	287-310	36-39	-0.12	-0.70	120	310
N40H	1.25-1.28	12.5-12.8	≥923	≥11.6	≥1353	≥17	302-326	38-41	-0.12	-0.70	120	310
N42H	1.28-1.32	12.8-13.2	≥955	≥12.0	≥1353	≥17	318-342	40-43	-0.12	-0.70	120	310
N45H	1.32-1.36	13.2-13.6	≥963	≥12.1	≥1353	≥17	342-366	43-46	-0.12	-0.70	120	310
N48H	1.37-1.43	13.7-14.3	≥995	≥12.5	≥1353	≥17	366-390	46-49	-0.12	-0.70	120	310
N35SH	1.17-1.22	11.7-12.2	≥876	≥11.0	≥1592	≥20	263-287	33-36	-0.11	-0.65	150	320
N38SH	1.22-1.25	12.2-12.5	≥907	≥11.4	≥1592	≥20	287-310	36-39	-0.11	-0.65	150	320
N40SH	1.25-1.28	12.5-12.8	≥939	≥11.8	≥1592	≥20	302-326	38-41	-0.11	-0.65	150	320
N42SH	1.28-1.32	12.8-13.2	≥987	≥12.4	≥1592	≥20	318-342	40-43	-0.11	-0.65	150	320
N45SH	1.32-1.38	13.2-13.8	≥1003	≥12.6	≥1592	≥20	342-366	43-46	-0.11	-0.65	150	320
N28UH	1.04-1.08	10.4-10.8	≥764	≥9.6	≥1990	≥25	207-231	26-29	-0.11	-0.60	180	330
N30UH	1.08-1.13	10.8-11.3	≥812	≥10.2	≥1990	≥25	223-247	28-31	-0.11	-0.60	180	330
N33UH	1.13-1.17	11.3-11.7	≥852	≥10.7	≥1990	≥25	247-271	31-34	-0.11	-0.60	180	330
N35UH	1.17-1.22	11.7-12.2	≥860	≥10.8	≥1990	≥25	263-287	33-36	-0.11	-0.60	180	330
N38UH	1.22-1.25	12.2-12.5	≥876	≥11.0	≥1990	≥25	287-310	36-39	-0.11	-0.60	180	330
N40UH	1.25-1.28	12.5-12.8	≥899	≥11.3	≥1990	≥25	302-326	38-41	-0.11	-0.60	180	330
N42UH	1.28-1.32	12.8-13.2	≥899	≥11.3	≥1990	≥25	318-342	40-43	-0.11	-0.60	180	330
N28EH	1.04-1.08	10.4-10.8	≥780	≥9.8	≥2388	≥30	207-231	26-29	-0.11	-0.55	200	330
N30EH	1.08-1.13	10.8-11.3	≥812	≥10.2	≥2388	≥30	223-247	28-31	-0.11	-0.55	200	330
N33EH	1.13-1.17	11.3-11.7	≥836	≥10.5	≥2388	≥30	247-271	31-34	-0.11	-0.55	200	330
N35EH	1.17-1.22	11.7-12.2	≥876	≥11.0	≥2388	≥30	263-287	33-36	-0.11	-0.55	200	330
N38EH	1.22-1.25	12.2-12.5	≥899	≥11.3	≥2388	≥30	287-310	36-39	-0.11	-0.55	200	330
N40EH	1.25-1.28	12.5-12.8	≥899	≥11.3	≥2388	≥30	302-326	38-41	-0.11	-0.55	200	330
N28AH	1.04-1.08	10.4-10.8	≥787	≥9.9	≥2624	≥33	207-231	26-29	-0.10	-0.50	230	350
N30AH	1.08-1.13	10.8-11.3	≥819	≥10.3	≥2624	≥33	223-247	28-31	-0.10	-0.50	230	350
N33AH	1.13-1.17	11.3-11.7	≥843	≥10.6	≥2624	≥33	247-271	31-34	-0.10	-0.50	230	350
N35AH	1.17-1.22	11.7-12.2	≥876	≥11.0	≥2624	≥33	263-287	33-36	-0.10	-0.50	230	350

What is the coating ?

 

Packaging & Shipping

Magnets  put into small white box , 8 boxes per carton ,carton size:37x26x15cm ,not over 22 kg 

Ship by air - OK, insulation package ,allow to load on plane .  

Ship by sea  - be with pallet 

 

Customer Feedback

Contact with us to get a free customized sample ,we will help you to find 100% correct magnet for your production