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7.3 g cm3 Density Blocks Alnico 5 Magnet For Guitar Pickup Using

7.3 g cm3 Density Blocks Alnico 5 Magnet For Guitar Pickup Using

Place of Origin : Zhejiang
Brand Name : Hongrui
Model Number : N-B-1
Certification : ISO9001 & TS16949
Magnetism direction : Axially Magnetized,Diametrally Magnetized,Multi-poles Magnetized
Coating/ Plating : Nickel (Ni) , Zinc (Zn), Black epoxy or others
Grades : N33, N35, N38, N40, N42, N48, N50, N52 (M, H, SH, EH, UH,AH)
Size : according to customers' request
Standard Tolerance : +/-0.1mm
Application : Industrial Magnet
Composite : NdFeB Magnet
Type : Permanent
Processing : sintered ndfeb magnet
ODM : acceptable
density : 7.6g/cm3
Price : 5USD
Packaging Details : Standard air and vessel package or according to customers' request
Delivery Time : 15days
Payment Terms : 50% deposit & 50% before shipment
Supply Ability : 500000pcs/month
MOQ : 1000pcs
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Disc magnet

  1. Material: Neodymium –Iron-Boron (NdFeB)
  2. Shape: bar
  3. Dimension notation: Length x Width x Thickness, mm
  4. Standard Tolerance: +/-0.1mm
  5. Standard Coating: Nickel
  6. Application: Industrial magnet


W T80°C/60°C100°C120°C150°C180°C200°C

- The grades like N48-N52 could meet your requirement on strong power

- Standard one like N35 or N38 is okay for your normal applications

- If you have requirement on the working temperature, please note it.

2.Shapes and Sizes

Block / BarLength x Width x Thickness
Disc / CylinderDiamter x Thickness
RingExternal Diamter x Internal Diameter x Thickness
IrregularAccording to customer's size or drawing request.

3. Coatings / Platings

Others Choices:Zinc, gold, silver, epoxy, parylene, etc.

Coating and Corrosive Resistance of Sintered NdFeB
SurfaceCoatingcolourThickness(um)Resistance can beCorrosive Resistance
PCT TestSalt Spray Test
Zincblue zinc/colour zincbrightblue/shinyblue8-202424good
Phosphorization-grey1-2--temporary protection
Passivation-grey1-2--temporary protection

Note: If you have requirement of PCT and Salt Spray Test requirement, please inform us.

4. Magnetism orientations

Product Tags:

NdFeB magnet


Industrial Magnet


Neodymium rare earth magnet

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