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Pot magnet with threaded stud Ø 20 mm, holds approx. 12 kg

Thread M4,


Article ID GTN-20
Strength approx. 12 kg
Displacement force approx. 2,4 kg
UoS 1 piece
Price and rebate
1 pc. 3,63 EUR ea.
from 3 pcs. 3,17 EUR ea.
from 10 pcs. 2,77 EUR ea.
from 20 pcs. 2,57 EUR ea.
from 40 pcs. 2,39 EUR ea.
Ask for a rebate from 240 pcs.
incl. VAT plus shipping

3,63 EUR

incl. VAT plus shipping

promptly deliverable

Available: 26 579 pieces

Delivery time: 4-12 business days

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Description

These pot magnets have a stem with an external screw thread. You can slide the stem, for instance, through a hole and fasten it with a nut.

Please note: The full adhesive force is achieved when the ferromagnetic counterpart is smooth and of sufficient thickness and when the pot magnet makes direct and full flush contact. Pot magnets already lose much of their adhesive force at a distance of only half a millimetre to the ferromagnetic surface. This characteristic is more pronounced in pot magnets than in other ferrite and neodymium magnets. You can find additional fascinating information on our FAQ page about pot magnet features.

Technical data

Article IDGTN-20
EAN7640155432610
MaterialNdFeB
Pot diameter D20 mm
Pot height H17 mm
Total height H215,5 mm
Thread MM4
Tolerance+/- 0,1 mm
CoatingNickel-plated (Ni-Cu-Ni)
SteelQ235 (China)
MagnetisationN42
Strengthapprox. 12 kg (approx. 118 N)
Displacement force approx. 2,4 kg (approx. 23,5 N)
Max. working temperature80°C
Turned down portion0,0 - 0,7 mm
Weight15 g
PDF data sheet
The steel pot increases the adhesive force of the embedded disc magnet sixfold. The counter pole on the back is "redirected" to the front by the steel pot, so the circular contact surface of the steel pot is actually the magnetic counter pole to the disc magnet. This magnetic "short circuit", without air between the two poles, increases the adhesive force substantially.
This elevated adhesive force can only be reached through a direct contact with the counterpart. Even a small distance of a few millimetres will cause the magnetic attraction to cease.
The answer to why you can arrange pot magnets only side by side can be found under our FAQ.
In 2011 the city of Zurich offered an interesting tour through the waste cogeneration plant "Hagenholz" in the trendy fifth district. To start off, the visitors met at a so-called "rendezvous cube".
Nine super-magnetic GTN-20 hold together a cube wall - flexible and sturdy.

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