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Strong Neodymium Disc Magnets For Audio

Products Mode:
Material: Sintered Neodymium-Iron-Boron
Size: Customized
Sharpes: Disc, Cylinder, Block, Ring, Countersunk or custom
Grades: N33-52,33M-50M,30H-48H,30SH-45SH......
Coating: Ni,Ni-Cu-Ni,Zn,silver,gold,aluminum,epoxy......
Tolerance: +-0.05mm

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Description
Product Description
Magnet Material:                    NdFeB or Neodymium Iron Boron
Magnet shape:                        Disc
Magnet grade:                        N48
Length:                                    19.5mm
Thickness:                               4.0mm
Tolerance:                                +/-0.1mm (0.004”)
Coating:                                   NiCuNi plated
Operating Temp(Max).:          80℃
Direction of magnetization:   Magnetized through thickness
Other size and grade are available on request
Please send us email at info@aamagnet.com if you can’t find what you are looking for.

Technical Info
➤ NdFeB Disc Magnet With Hole D19.5x4.0mm

Material type:                    Permanent
Material composition:      Nd2Fe14B
Remanence (Br):               13.8– 14.2KGs
Coercive force(Hcb):        10.5KOe
Intrinsic Coercive Force( Hci ) : 11KOe
Max Energy (BH)max:      48 – 51MGOe
Max working temp. :        80℃
Curie Point (Max). :          176℉
Density :                            7.4~7.6g/cm3


Direction Of Magnetization

➤ Disc Magnet D19.5x4mm Magnetized through thickness


Axially Magnetized

➤ Other Options For Neodymium Disc Magnet.


Diametrically Magnetized



Multi-poles Diametrically