NdFeB (neodymium) ring magnets

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Neodymium Magnet 20x4,2x5 - N38

Enova477

New product

Magnet parameters:

  • external diameter: 20 mm (±0,1 mm)
  • internal diameter: 4,2 mm (±0,1 mm)
  • height: mm (±0,1 mm)
  • weight of the magnet:~ 11,3 g
  • direction of magnetization: along the dimension of 5 mm 
  • maximum temperature: 80 ° C.
  • Coating: Ni + Cu + Ni 
  • capacity: ~ 6,0 kg

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tax excl.tax incl.
Price from: 1 qty 2.23 2.7429
Price from:40 qty 1,82 zł 2,24 zł
Price from:100 qty 1,74 zł 2,14 zł
Price from:300 qty 1,72 zł 2,12 zł

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More info

Magnet parameters:

  • external diameter: 20 mm (±0,1 mm)
  • internal diameter: 4,2 mm (±0,1 mm)
  • height: mm (±0,1 mm)
  • weight of the magnet:~ 11,3 g
  • direction of magnetization: along the dimension of 5 mm 
  • maximum temperature: 80 ° C.
  • Coating: Ni + Cu + Ni 
  • capacity: ~ 6,0 kg

Magnetic properties of N38 material:

Coercivity Hcb ≥11,3 [kOe]; ≥899 [kA / m]

Remanence Br 1.22-1.25 [T]; 12.2-12.5 [kGs]

Energy density (BH) max 287-310 [kJ / m3]; 36-39 [MGOe]

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