NdFeB Magnet Material Grade NdFeB Block NdFeB Disc NdFeB Ring NdFeB Ball Assembly Other Magnets Contact

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Surface Treatments and Dimension Range/Nominal Tolerance
of Sintered NdFeB Magnets (Neodymium Iron Boron)
 

Surface Treatments
Type Information
Metallic Zinc, Nickel, Nickel + Nickel, Nickel + Tin, Nickel + Copper + Nickel, Gold
Organic Epoxy, Nickel + Epoxy coating
Temporary Surface Passivation

Dimension Range / Nominal Tolerance
Ring Magnet Outer Diameter (mm) Inner Diameter (mm) Thickness (mm)
Maximum 160 140 50
Minimum 2.6 1.8 0.5
Tolerance ±0.1 ±0.1 ±0.1

Block Magnet Length (mm) Width (mm) Thickness (mm)
Maximum 150 50 30
Minimum 2.0 1.5 0.5
Tolerance ±0.1 ±0.1 ±0.1

Disc Magnet Diameter (mm) Thickness (mm)
Maximum 200 35
Minimum 1.2 0.5
Tolerance ±0.1 ±0.1

Segment & other irregular shapes can be manfactured according to customer's sample or blue print <

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