Blockmagnet 15.0 x 15.0 x 4.0 mm N35 nickel with countersunk hole

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  • QM-15x15x04-N-SL
  • 4250538419089
  • magnets4you
  • 5 pieces
Blockmagnet made of neodymium with a central 4.5 mm hole and countersink. This flat magnet... more
Product information
Blockmagnet made of neodymium with a central 4.5 mm hole and countersink. This flat magnet (height 4 mm) can be screwed onto components or non-magnetic surfaces with a countersunk head screw. You can use several types of screw, such as slotted screw with countersunk head for wood, machine screw, countersunk screw with Torx or hexagon socket. The top diameter for the screw head is: 9.46 mm.
The North Pole is on the side with the depression. For this reason, using two of these magnets in pairs is not possible (repulsion).
To prevent the neodymium magnets from breaking or splintering, simply sink the magnets into the workpiece and protect the raw magnets from direct impacts. Our round neodymium pot magnet with hole and countersunk are protected from impact by a steel pot.
Note: If too much force is applied, neodymium magnets can break. We recommend a maximum tightening torque of 2 Nm when screwing on this magnet.

Technical specifications

coatingNickel (Ni-Cu-Ni) 
temperature max.80 ° C
quality of magnetisationN35 
tolerance+/- 0,1 mm
direction of magnetisation axial (parallel zur Höhe) 
total height H4,0 mm
total length L15,0 mm
weight0,0058 kg
magnetic force4,5000 kg
total width B15,0 mm

Technical specifications for magnetization grade N35

Material Remanence Coercivity Energy product Maximum temperature
Br bHc iHc (BxH)max
Gauss (G) Tesla (T) kOe kA/m kOe kA/m MGOe kJ/m 3 °C
N35 11700-12100 1.17-1.21 10.8-11.5 860-915 ≥  12 ≥  955 33-35 263-279 ≤  80

  • The product conforms to the European RoHS Community legislation

    The product conforms to the European RoHS Community legislation The product conforms to the European RoHS Community legislation (2002/95/EG - RoHS - Restriction of Hazardous Substances) relating to the use and the employment of certain hazardous substances in electrical and electronic devices.
    No subject to registration under the REACH Regulation.
  • 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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Read, write and discuss reviews... more
Customer evaluation for "Blockmagnet 15.0 x 15.0 x 4.0 mm N35 nickel with countersunk hole"
Durchschnittliche Kundenbewertung: (aus Kundenbewertungen)
3 Mar 2021

Alles ok

14 Oct 2020

Super Magnete ohne scharfe Kanten und präzise Bohrung.

5 Sep 2020


3 Sep 2020


2 Feb 2020

Das Produkt entspricht einer guten Qualität.

15 Jan 2020

Alles prima!

20 Nov 2019

Gute Qualität

23 Sep 2019

Starker Magnet mit zuverlässiger Befestigungsmöglichkeit

10 Sep 2019

Edele Optik und super Haftkraft

22 May 2019

Ich habe den Strang mit Kabeln

10 May 2019

alles wie versprochen

20 Jul 2018

Benutze die Magnete für das temporäre Anbringen von Abstandshaltern beim Trockenbau. (Decke abhängen)

2 May 2018

Alles Ok

10 Apr 2018

Qualität gut. Verwendung für lautsprecher Abdeckung.

27 Mar 2018

Wie beschrieben und sauber verarbeitet

30 Oct 2017

très bon produit

24 Oct 2017


3 May 2017

Alles super.

19 Mar 2017

Spitze !

10 Jan 2017

hält - perfekt!

31 Dec 2016

Starke Leistung für die Größe. Habe die Magnete an Tisch zum Halten für das aufschiebbare Fach unter der Tischplatte verwandt. Funktioniert super.

22 Dec 2016

schnelle Lieferung

8 Dec 2016

Wie immer

26 Sep 2016

Hohe Kraft

23 Aug 2016

Alles bestens.

29 Jul 2016

Als variable Befestigung für kleine und mittelrgoße Bilder an einer Stahlleiste. Empfehlenswert für kreative Menschen. Die Qualität ist hervorragend

30 Jun 2016

alles bestens

20 Feb 2016


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  • magnets4you GmbH
  • Bgm.-Dr.-Nebel-Str. 15a
  • D-97816 Lohr a. Main
  • Tel.: +49 (0) 93 52 / 60 43 86 - 0