The Hygienic DESIGN fastening system was specially developed for use in food-processing facilities. Special emphasis has been placed on the cleaning-optimized geometry and a surface finish of Ra ≤ 0.8 µm. Quick and easy product installation due to a pre-mounted sealing washer rounds off the overall package.

Hex nut: stainless steel 1.4404.

Sealing washer: EU10/2011 and FDA constyle thermoplastic (POM).

Hex nut: Polished or unpolished stainless steel.
Sealing washer: RAL5002 - Ultramarine blue (POM).

The contact face for the sealing ring must ideally be flat and perpendicular to the threaded hole and have a surface finish of Ra ≤ 0.8 µm.
Sealing ring is unsuitable for acidic cleaning (pH < 4) and oxidizing agents.

-20 °C to +100 °C (POM).

Pre-installed, exchangable seal washer.
Foodstuff constyle material.
Cleaning optimized geometry.

The suitability of the Hygienic DESIGN fasters for the respective application must be checked by the user. Depending on the loads and external influences (temperature, cleaning media, product media), the sealing washer should be inspected regularly and replaced if necessary.

Hex nut incl. seal washer.

Special versions.

M4 - M16.

1) Hex nut
2) Sealing washer

Sealing washer K1649.
Stainless steel hex head bolt with sealing washer K1647.
Sockets with plastic inserts K1361.
Ring/open-end spanner with protective caps K1362.