Sintered NdFeB Axially Magnetized Ring Magnet N40M W/ Zinc Plating

 Sintered NdFeB Axially Magnetized Ring Magnet N40M Zinc Plating Feature:

Magnet Material: NdFeB or Neodymium Iron Boron
Magnet shape: Ring
Magnet grade: N40M
Outer diameter: 72mm
Inner diameter: 63mm
Thickness: 8mm
Tolerance: +/-0.1mm (0.004”)
Coating: Zinc plated
Operating Temp(Max).: 100℃
Direction of magnetization: Magnetized through thickness

Circular Powerful NdFeB Magnet Ring 40M OD72xID63x8mm
Material type: Permanent
Material composition: Nd2Fe14B
Remanence (Br): 12.5– 13.1KGs
Coercive force(Hcb): 11.5KOe
Intrinsic Coercive Force( Hci ) : 14KOe
Max Energy (BH)max: 38 – 41MGOe
Max working temp. : 100℃
Curie Point (Max). : 212℉
Density : 7.4~7.6g/cm3

Neodymium Ring Magnet are great for loudspeaker, home theater, multimedia, headset, water meter, vibration motor, etc.
Sintered NdFeB Magnet Ring are supplied in different grades and sizes, maximum diameter 220mm, minimum thickness 1.0mm. Ring magnet, which are magnetized through thickness (axially), north pole and south pole are located on the top and bottom. Axially magnetized is common magnetism for ring magnets. Diameterically magnetized also can be made as per customer’s different requirement.

Other size and grade are available on request

Disc Magnet Magnetized through thickness
Axially Magnetized
Diametrically Magnetized
Multi-poles Diametrically

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