Disc magnet self-adhesive Ø 20 mm, height 2 mm

Neodymium, N35, nickel-plated
promptly deliverable


Top seller: More than 1'200'000 sold!
The convenient solution if you want to glue on disc magnet S-20-02-N. This flat disc magnet (20 mm diameter, 2 mm thick) has a very strong self-adhesive side made of cushioning foam and an impressive maximum adhesive force of 2 kg. These self-adhesive magnets are shipped in pairs. For example, if you order 10 pieces, you will receive 5 magnet pairs.

Please note: Self-adhesive magnets need to be placed, pressed and dried on suitable surfaces to adhere properly. Please read our FAQ about self-adhesive magnets.
Read about more features and tips

Technical data

Article ID S-20-02-FOAM
EAN 7640155437998
Material NdFeB
Shape Disc self-adhesive
Diameter 20 mm
Height 2 mm
Tolerance +/- 0.1 mm
Direction of magnetisation axial (parallel to height)
Coating Nickel-plated (Ni-Cu-Ni)
Magnetisation N35
Strength approx. 2.3 kg (approx. 22.6 N)
Max. working temperature 80°C (possibly lower)
Adhesive 3M, No. 4920, 0,40 mm
Shelf life adhesive 18 months (approx.)
Weight 4.8 g
Adhesive data sheet
PDF data sheet

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Additional features and tips

Click to enlarge
Every magnet is self-adhesive on one side. Thanks to a small flap the film can be peeled off easily.

Click to enlarge
The magnets will be delivered in pairs, meaning one half with a self-adhesive south pole and one half with a self-adhesive north pole.
A sales unit contains a strip with 5 magnet pairs, which equals 10 individual magnets. If you order 10 pieces in the shop, you'll receive a strip as show in the picture.
With 4 magnets S-20-02-FOAM you can securely attach a medium-size picture frame to a metal surface.
The adhesive used is a 3M adhesive foam (type 4920). The English data sheet for the foam can be viewed here:

Customer applications that use this product