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Hygienic USIT® components for highest cleanliness standards

Clean. Safe. Certified.

The strictest hygiene standards apply in the foodstuff and pharmaceutical industries. Every fastener, every operating part and every seal must be designed so that dirt, germs and product residues have no chance.
With the Hygienic USIT® components from norelem, our customers have access to a complete range of tested, hygiene-compliant standard parts - from screws, nuts and washers to grips and buffers.

Your advantages at a glance

✅ Cavity-free & easy to clean: no gaps or recesses in which residues can accumulate


Certified & tested: FDA compliant, EU 1935/2004, USP Class VI, EHEDG certified


✅ High-quality materials: stainless steel 1.4404 / 1.4401, hygienic elastomers (EPDM, Fluoroprene®)


✅ Resistant: suitable for CIP, SIP, WIP and COP cleaning processes


✅ Efficient & flexible: replaces complex welding solutions and minimises downtimes

Typical application fields

  • Food and beverage production

  • Pharmaceutical and chemical industries

  • Bio and medical technology

  • Plant construction for hygiene-sensitive processes

Hygienic USIT®

Hygienic USIT® sealing and shim washers

The Hygienic USIT® washers set new standards in hygienic sealing.

  • Structure: Metallic washer (stainless steel 1.4404) with a permanently attached elastomer ring.

  • Special feature: Cavity-free sealing under screw heads, even with aggressive media and high sterilisation temperatures.

  • Certification: The hex head screws with collar 07170-04 or cap nuts with collar 07280-05 can only guarantee a cavity-free seal when used in combination with the Hygienic USIT® seal and shim washers 07300-03, complying with EHEDG guidelines. The product family "Hexagon head screws, stainless steel with collar and seal and shim washer the for Hygienic-USIT® set 07170-10" is EHEDG certified.

Hygienic screws & cap nuts

  • Made from stainless steel 1.4404, high-gloss polished with a surface finish less than Ra 0.8 μm.

  • Developed as per DIN EN 1665 for product contact areas.

  • In combination with Hygienic USIT®, absolutely tight and easy to clean in CIP, SIP and WIP processes.

Grips & operating parts

  • Hygienically smooth, ergonomic and rust-free.

  • Variants such as T-grips, wing grips, clamping levers or mushroom knobs - all designed in such a way that no dirt pockets can form.

Edge protection profiles & rubber buffers

  • Made from FDA-compliant silicone, ADI-free and resistant to cleaning agents.

  • Protects edges, absorbs shocks and extend the service life of equipment.

Why norelem?

With norelem, you can rely on a wide range of products, fast availability and reliable quality. Our hygienic design components are tested in accordance with international standards, designed without dead space and meet all the requirements of modern production facilities. This allows you to design your machines and systems to be hygienically safe, durable and efficient.