Sealing Discs

Winterberg & Knapp GmbH provide the matching sealing discs with vulcanised EPDM rubber for different screws. Styles available are stainless steel, galvanised steel and also aluminium.

These reliable connecting elements in dimensions from 7 - 70mm ensure a secure and sealed screw joint and sustainably enhance the dynamic strength of a joint.

For screws from 4 up to M 20 you can find the corresponding sealing discs with us.



  • vulcanised EPDM rubber 1.5 - 4.0 mm
  • vulcanised neoprene rubber (CR)

Liko / screw sealing discs:

  • Liko sealing discs with vulcanised EPDM rubber for the attachment of edge seals and wall profiles
  • Material: stainless steel, steel, aluminium and copper
Liko / screw sealing discs


If you have questions about our products or a personal desire appointment, you can contact us anytime.


Product Search

You are looking for a sealing disc for certain types of screws or require a certain outer diameter? Then use our product search.

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Special sealing discs

Square Washers

In the measurements 10 x 8 x 5.4 and 10 x 10 x 5.4

Square Washers

Oval Sealing Discs

Ovale Dichtscheiben

Curved Sealing Discs

Gebogene Dichtscheiben

Sandwich Double Sealing Discs (SDD)

Due to the numerous customer requests we have carried out tests within the past few months to manufacture a sealing disc, which is also provided with a vulcanised seal on the metal backing.

Special productions to your designs and specifications are always available.

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