... 2.Shape: Disc with hole 3.Plating: Ni coated 4. customized shapespermanent magnet for motor NdFeB ... Sintered NdFeB magnet is one of the high performance rare earth permanent magnets, which use neodymium (Nd), iron ... 240°C or says 489.6F3. Grade:N33-N52, 33M-48M, 33H-48H, 30SH-45SH, 30UH ... 40UH, 28EH-38EH, 28AH-35AH4. Shape: Disc(Cylinder), Block, Ring, Countersunk, Segment and more, trapezoid, irregular ...