Accessories (Certifications, Screw Nuts, Washers)

We are TÜV-certified producer according to AD Data Sheet WO/TRD 100 and Building Rules List (ÜZ Ü Sign, approved according to general bulding authorities) and certified under DIN EN ISO 9002.


We carry out spectroscopic analysis and tension tests to ensure the quality conformance or to issue certifiacations. These test are either made by our own enterprise or in co-operation with another certified (e. g. TÜV Rheinland) company.


We also supply screw nuts, washers and other accessories suiting our products.

  • Material confirmation
  • Certification 2.1
  • Certification 2.2
  • Certification 3.1
  • Certification 3.2 (on request)
  • Screw Nuts
  • Washers
  • other accessories (on request)