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Super Strength Neodymium Magnet Rings

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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Product Description
Magnet Material:                    NdFeB or Neodymium Iron Boron
Magnet shape:                        Ring
Magnet grade:                        38H
Outer  diameter:                     120mm
Inner diameter:                       40mm
Thickness:                               10.0mm
Tolerance:                                +/-0.1mm (0.004”)
Coating:                                   NiCuNi Plated
Operating Temp(Max).:          120℃
Direction of magnetization:   Magnetized through thickness
Other size and grade are available on request
Please send us email at if you can’t find what you are looking for. 

Technical Info
Ring Shape Permanent Neodymium Magnet 38H OD120xID40x10mm

Material type:                    Permanent
Material composition:      Nd2Fe14B
Remanence (Br):               12.1– 12.7KGs
Coercive force(Hcb):        11.1KOe
Intrinsic Coercive Force( Hci ) : 17KOe
Max Energy (BH)max:      36 – 39MGOe
Max working temp. :        120℃
Curie Point (Max). :          248℉
Density :                            7.4~7.6g/cm3

Direction Of Magnetization

➤ Ring Magnet OD120x ID40x10mm Axially Magnetized

Axially Magnetized

➤ Other Options For Neodymium Ring Magnet.

Diametrically Magnetized

Multi-poles Axially