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Pot magnet Ø 20 mm with countersunk hole, holds approx. 11 kg


Item number CSN-ES-20
Strength approx. 11 kg
Displacement force approx. 2.2 kg
Unit of Sale 1 piece
Price and rebate
1 pc. 2.65 CHF ea.
from 3 pcs. 2.30 CHF ea.
from 10 pcs. 2.00 CHF ea.
from 20 pcs. 1.85 CHF ea.
from 40 pcs. 1.70 CHF ea.
Ask for a rebate from 260 pcs.
incl. VAT plus shipping

2.65 CHF

incl. VAT plus shipping

promptly deliverable

Available: 351'506 pieces

Delivery time: 1-2 business days

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Description

Top seller: More than 2'800'000 sold!
This pot magnet has the same dimensions as CSN-20, but with a thicker steel pot and, hence, a higher adhesive force. It can be fastened with a countersunk screw. This extra-strong pot magnet has proven itself especially in the field of shopfitting, kitchen and bathroom installations, electrical engineering and product development.

The following screws fit into the CSN-ES-20, for example:

  • Slotted countersunk wood screw: DIN 97 (3.5 mm)
  • Cross recessed countersunk flat head screws (machine screw): ISO 7046-2 M3 (3 mm)
  • Countersunk torx screws/hexalobular socket (machine screw): ISO 14581 M3 (3 mm)
  • Hexagon socket countersunk flat head screws (machine screw): ISO 10642 M3 (3 mm)

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 ID CSN-ES-20
EAN 7640155431675
Material NdFeB
Pot diameter D 20 mm
Total height H 6 mm
Hole d1 4.5 mm
Countersinking d2 9.46 mm
Countersinking t 2.48 mm
Tolerance +/- 0.1 mm
Coating Nickel-plated (Ni-Cu-Ni)
Steel Q235 (China)
Magnetisation N42
Strength approx. 11 kg (approx. 108 N)
Displacement force approx. 2.2 kg (approx. 21.6 N )
Max. working temperature 80°C
Weight 12 g
PDF data sheet
The graph shows the maximum adhesive force in kg (y axis) at various distances in mm (x axis) between pot magnet and counterpart (steel plate).
Example: At a 1 mm distance between pot magnet and steel plate the maximum adhesive force is still 2 kg.
Here you can see the difference between a CSN and a CSN-ES magnet. Although both types have similar dimensions on the outside, the CSN-ES has a thicker steel pot (in grey) and a slightly smaller magnet. This leads to an overall stronger adhesive force, despite the smaller magnet, because the metallic adhesive surfaces are larger.
Since the new CSN-ES magnet is too strong for some of our customers, we also offer the somewhat weaker CSN-alternative.
The answer to why you can arrange pot magnets only side by side can be found under our FAQ.

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