... use, generator use, educational, etc.We can produce the NdFeB disc magnets in different sizes, different grades (strengths and temperature ... N38EH200°C (392°F)N28AH-N35AH220°C (428°F)Magnet ShapeDisc, Cylinder, Block, Ring, Countersunk, Segment, Trapezoid, Irregular ... Customized shapes for Sintered Neodymium Strong Magnets are available.Magnet CoatingNi-Cu-Ni, Nickel, Zn, Gold, Silver, Copper, Epoxy ...