Great Magtech (Xiamen) Electric Co., Ltd.  

Product Name: N50 D20X3X5mm Strong Round Ring Countersunk Magnets Model NO.: N50 Grade: N50 Coating: Nickel Shape: Countersunk Ring Application: Speaker Magnet, Industrial Magnet, Jewelry Magnet, Solenoid, Motor Magnet, Generator Magnet Product Name of Block Magnet: N50 D20X3X5mm Strong Round Ring Countersunk Magnet Envrionment Management System: ISO9001/14001 Certificate of Block Magnet: CE/RoHS/SGS Tolerance of Block Magnet: +/- 0.05mm Model Number of Block Magnet: N50 Magnetization Direction of Block Magnet: Axial/Radial/Multi-Poles Magnetization Working Temp. of Block Magnet: 80-200 Degree Centigrade Payment: T/T, Paypal, Western Union Transportation of Block Magnet: by Sea, by Air, by Express Lead Time of Block Magnet: 15-25days Trademark: GME Transport Package: as Client's Request Specification: D20x3x5mm Origin: Zhejiang Ningbo/ Fujian Xiamen HS Code: 850511100 Product Description Standard sizes ship within 2 weeks. custom-made size and grade are always available.A permanent magnet is that a magnet that is permanent, in contrast to an electromagnet,which only behaves like a magnet when an electric current is flowing through it.Permanent magnets are made out of substances like magnetite (Fe3O4),the most magnetic naturally occurring mineral or neodymium, Samarium cobalt, a powerfully magnetic synthetic substance.The Earth itself is a huge permanent magnet, though its magnetic field is quite weak relative to its size.Humans have used the magnetic field of the Earth for navigation since the compass was invented in ancient China.Even the most powerful permanent magnet is not as strong as the strong electromagnets, so their applications are limited,but they still have very widely application, magnets can be found everywhere,including your hard disk, ATM and credit cards, speakers and microphones, electric motors, and toys.Every permanent magnet generates a magnetic field, which circulates around the magnet is a distinct pattern.The size of the magnetic field is related to the size of the magnet and its strength.GMEMagnets offers the highest quality Neodymium magnets with consistent performance and lowest price.Our Neodymium magnets are designed and manufactured to meet withquality standards using the latest technology.Here introduce a super strong permanent magnet that very popular in European magnet mareket, especially in German.SpecificationD20x3x5mmMaterial GradeNeodymium N50Length20mmWidth3mmThickness5mmCoatingNiCuNiColorSilver ToneMagnetized directionthrough thicknessMOQ4500pcsLeading Time18-23 working daysSampleYesCertificateISO2000, TS16949, RoHS, CE & SGSPaymentT/T, PayPal, Western UnionMagnetic Characteristicsof N50GRADERemanenceCoercive ForceIntrinsic CoerciveMax Energy ProductWorking Temp.(Br)(bHc)(iHc)(BH)maxTw(ºC)TKGsKA/mKOeKA/mKOeKJ/m³MGOeN501.39-1.4513.9-14.5≥836≥10.5≥876≥11374-40648-51≤80GME core valuesCustomer CareQuality is our life. Customer satisfaction is our eternal pursuit. Everything we do at GME is driven by an unyielding passion for excellence in identifying and delivering solutions that exceed expectations.InnovationIn today's fast-developing global economy, innovation is critical to a company's survival. We anticipate and adapt to changing for continuous improvement.Co-ProsperityA business cannot be successful unless it creates prosperity and opportunity for others. We have a dream--customers could win more through our Great Service; we have a dream--GME members could realize their own dreams while striving for GME Dream.Social ResponsibilitySustainability isn't only important for people and the planet, but also is vital for business success. We are environmentally responsible and drive to sustainability. And we should do something for our better future.For more information, please refer to www.greatmagtech.com