Ringmagnet Ø 30.0 x 5.5 x 7.0 mm N45 nickel with counterbore north

 
Quantity Price / pcs
To 2 pcs €6.35 *
from 3 pcs €5.58 *
from 10 pcs €4.93 *
from 20 pcs €4.58 *
from 40 pcs €4.29 *
from 240 pcs request a quote!

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1 pieces: € *
pieces
  • RMS-30x05x07-N-NP
  • 4250538423819
  • magnets4you
  • 1766 pieces
This ring magnet Ø 30 mm made of neodymium with a 90 ° countersink can be screwed on with a... more
Product information
This ring magnet Ø 30 mm made of neodymium with a 90 ° countersink can be screwed on with a countersunk screw. The 5.5 mm hole is designed for a screw with a diameter of 5 mm.
 
This magnet has the north pole on the depression side.

Note: You cannot use two of these magnets in pairs, i.e. the magnets do not stick to one another with the countersunk side, but repel each other.
If this magnet should only stick to metal, the direction of magnetization / polarity is irrelevant.
 
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

total diameter D30,0 mm
inner ring d15,5 mm
Gesamthöhe H7,0 mm
materialNeodym 
temperature max.80 ° C
quality of magnetisationN45 
tolerance+/- 0,1 mm
direction of magnetisation axial (parallel zur Höhe) 
coatingNickel (Ni-Cu-Ni) 
magnetic force13,8 kg
Gewicht0,035 kg

Technical specifications for magnetization grade N45

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
N45 13200-13700 1.32-1.37 10.8-12.5 860-995 ≥  12 ≥  955 43-45 342-358 ≤  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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  • magnets4you GmbH
  • Bgm.-Dr.-Nebel-Str. 15a
  • D-97816 Lohr a. Main
  • Tel.: +49 (0) 93 52 / 60 43 86 - 0