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Ringmagnet with counterbore Ø 35.5 x 5.5 x 6.5 mm HF 24/16 ferrite

Product information "Ringmagnet with counterbore Ø 35.5 x 5.5 x 6.5 mm HF 24/16 ferrite"

Strong ferrite disc magnet with 90 ° countersink on one side on the north pole side. This magnet can be screwed to objects with a size 5 screw, which then adhere to metallic surfaces.
This type of magnet is often built into ferrite pot magnets with a countersink.

Technical specifications

Adhesive force: 1,7 kg
Coating: No Coating
Diameter: 35,5 mm
Height H: 6,5 mm
Inner diameter: 5,5 mm
Magnetization direction: anisotropic
Magnetization quality: HF 24/16
Weight: 30,5 g

Technical specifications for magnetization grade HF 24/16

Material Remanence Coercivity Energy product Maximum temperature
  Br HCB iHc (BxH)max  
  Tesla (T) typ. Tesla (T) typ. kA/m typ. kA/m min. kOe kA/m kJ/m 3 min. kJ/m 3 typ.  
HF 24/16 (Ba) 365000 350 175 155 180 160 24 25,5 ≤ 250

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

Hard ferrite magnets are not toys! They are extremely hard and brittle, as they belong to ceramic materials.

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.

6 of 6 reviews

Average rating of 4.8 out of 5 stars


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27 September 2015 05:38

Review with rating of 5 out of 5 stars

Alles ok

16 November 2016 10:02

Review with rating of 5 out of 5 stars

Produkt sehr gut. ***

21 April 2017 14:17

Review with rating of 5 out of 5 stars

Bin sehr zufrieden ! MfG ***

13 November 2017 12:04

Review with rating of 5 out of 5 stars

Produkt wie beschrieben. Gute Qualität

21 August 2019 08:11

Review with rating of 5 out of 5 stars

Ich verwende die Magneten für meine Bienenvölker. Bienen orientieren sich auf der Erde bekanntlich anhand des Magnetfeldes. Angeblich fühlen sie sich in ihrer Behausung wohler

24 February 2016 18:05

Review with rating of 4 out of 5 stars

Sehr gut bis auf kleinere abgeplatzte Ecken. Das angegebene Lochmaß ("5

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