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Blockmagnet 20.0 x 10.0 x 5.0 mm N42 nickel - holds 3.8 kg

Product information "Blockmagnet 20.0 x 10.0 x 5.0 mm N42 nickel - holds 3.8 kg"

Technical specifications

Adhesive force: 3,8 kg
Coating: Nickel (Ni-Cu-Ni)
Height H: 5 mm
Lenght: 20 mm
Magnetization direction: axial (parallel to height)
Magnetization quality: N42
Material: Neodymium
Maximum temperature: 80 °C
Tolerance: +/- 0,1 mm
Volume: 1000 mm³
Weight: 7,6 g
Width: 10 mm

Technical specifications for magnetization grade N42

Material Remanence Coercivity Energy product Maximum temperature
  Br bHc iHc (BxH)max  
  Gauss (G) Tesla (T) typ. kOe kA/m kOe kA/m MGOe kJ/m 3  
N42 12900-13200 1.29-1.32 10.8-12.0 860-955 ≥  12 ≥ 955 40-42 318-334 ≤  80

The product conforms to the European RoHS Community legislation

The product conforms to the European RoHS Community legislation (2002/95/EC - RoHS - Restriction of Hazardous Substances) relating to the use and the employment of certain hazardous substances in electrical and electronic devices.

Safety Notice

NdFeB magnets are hard and brittle. Especially with thinner dimensions / higher adhesive forces, these can easily break or splinter! An uncontrolled impact of two magnets as well as an external, mechanical shock or pressure load should therefore be avoided!

Determination of the magnetic force

The adhesive force of our magnets is determined at room temperature on a polished plate made of steel S235JR (ST37) with a thickness of 10 mm by the vertical withdrawal of the magnet (1kg ~ 10 N). A different value down to -10% compared to the specified value is possible in exceptional cases. In general, the value is exceeded. Please note that for thinner, painted and not absolute plan undergrounds the adhesive force represents only one raction of the specified values.

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Average rating of 5 out of 5 stars


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12 July 2016 12:35

Review with rating of 5 out of 5 stars

Produkt wie erwartet. Qualitativ sehr hochwertig. Über die Dursbilität kann ich derzeit noch keine Aussage treffen.

28 February 2017 22:05

Review with rating of 5 out of 5 stars

tolle geometrie sehr robust sehr gute haltekraft.

5 July 2017 08:40

Review with rating of 5 out of 5 stars

Die Magnete dienen zur (lösbaren) Befestigung der Sitze in meinem Modellheli

14 November 2017 17:08

Review with rating of 5 out of 5 stars

Magnete entsprechen den im Katalog vorgestellten Merkmalen.

20 February 2018 08:46

Review with rating of 5 out of 5 stars

Die Qualität der Produkte ist einwandfrei.

23 April 2018 18:41

Review with rating of 5 out of 5 stars

Alles Ok

29 August 2018 10:50

Review with rating of 5 out of 5 stars

wir verwenden den Magneten in einem 8 eckigen Rad als "Einrastmechanismus"... Funtionier top!

29 August 2018 10:50

Review with rating of 5 out of 5 stars

wir verwenden den Magneten in einem 8 eckigen Rad als "Einrastmechanismus"... Funtionier top!

15 February 2019 08:49

Review with rating of 5 out of 5 stars

gute Haftscheiben

20 May 2019 07:24

Review with rating of 5 out of 5 stars

Verwendung: schalten von Reed-Kontakten Sehr gute Qualität