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Neodymium Ring Magnet With Two Screw Holes

Neodymium Ring Magnet OD39x ID31x4.5mm
Customized Magnet Rare Earth Ring With Two Countersunk Holes.

Magnet Material:                    NdFeB or Neodymium Iron Boron

Magnet shape:                        Ring

Magnet grade:                        40H

Length:                                    39.0mm

Width:                                      31.0mm

Thickness:                                4.5mmmm

Tolerance:                                +/-0.1mm (0.004”)

NiCuNi plated

Operating Temp(Max).:

Direction of magnetization:   Magnetized through thickness

Other size and grade are available on request
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Ring Shape Neodymium Countersunk Magnet  40H OD39 x ID31 x 4.5mm

Material type:

Material composition:                      Nd2Fe14B

Remanence (Br):                               12.5– 12.8

Coercive force(Hcb):                        11.5KOe

Intrinsic Coercive Force( Hci ) :       17KOe

Max Energy (BH)max:                       38– 41MGOe

Max working temp. :                         120℃

Curie Point (Max). :                           248℉

Density :                                             7.4~7.6g/cm3

➤ Countersunk Magnet  OD39x ID31x4.5mm  Axially Magnetized

Axially Magnetized

➤ Other Options For Neodymium Ring Magnet.
Diametrically Magnetized

Multi-poles Diametrically