Strong holding force neodymium countersink magnet with screw hole Neodymium magnet is also named NdFeB magnet,rare earth magnet or permanent magnet.it is kind of sintered magnet.Neodymium magnet is the strongest permanent magnet in the world so far,which belongs to the fouth generation magnet.Besides its powerful strength, it is very tractable,it can be machined into different shapes, sizes, or with countersink holes,or edge and corner processing. we can do custom magnet to meet your requirements. Specifications: Product:Countersink magnet Grade:N33 N35 N38 N40 N42 N45 N48 N50 N52 Size:As per customer's request Shape:round/disc,block,Cylinder,Bar,Ring,Countersunk,Segment,Ball,hook,Cup, Trapezoid,custom shape) Surface Coating:Nickel, Zn, NiCuNi,Epoxy,Rubber,Gold,Sliver and so on Tolerance:± 0.05mm Magnetization Direction:Thickness/Axially/Diametrally/Multi-poles/Radial Magnetized Working Temperature: 80°C (176°F)--220°C (428°F) Sample: Available Lead time:5-8 Working days after payment Shippment: Express via DHL/FedEx/UPS,or by sea.Fast door to door service. Why choose us? 1.Professional neodymium magnet manufacturer and exporter since 2008. 2.Competitive price with high quality neodymium magnet with REACH, ROHS and SVHC Certificate. 3.High graded raw material to ensure the long-term stability of magnetic properties. 4.DHL, Fedex, TNT, sea shippment and Multi-channel transportation. 5.One-stop magnet solution provider from production to shippment. About us: Fourearth Magnet Co.,ltd is founded in 2008,Which is a leading manufacturer of high performance permanent magnet with ISO9001:2008, ISO/TS 16949 and ISO14001 certificates in China. Fourearth serves a variety of markets from consumer electronics, industrial automation, automotive, green energy, household appliances, medical, aerospace and telecommunications. Fourearth's magnets are used in motors, speakers, generators, sensors, compressors, MRI, magnetic chucks and separators etc. To meet the more and more demanding markets, Fourearth has been concentrating on manufacturing technologies for quality stability and cost reduction. Over the last ten years Fourearth export more than 90% of the magnets to American, European, Asian and African countries. With such wide range of magnetic material options, our professional technicians are available to help solve your magnetic needs and choose the most cost effective solution for you. -