Training and service

Accredited test laboratory

Certified by the German accreditation body (DAkkS), according to DIN EN ISO/IEC 17025.


Recognised technical test laboratory

State-of-the-art measuring and test equipment forms the basis for reliable quality assurance and flawless product quality.

The test procedures in our technical physical test laboratory are accredited in accordance with the guidelines of DIN EN ISO/IEC 17025. In the event of particularly complex, out of the ordinary challenges, our customers benefit from our close cooperation with colleges, universities and the Fraunhofer Institutes.

Test laboratory accredited to DIN EN ISO 17025

Method / principle

Well trained employees generate detailed inspection reports used as documentation and for decision making purposes. In cooperation with our customers, we develop new solutions with fastener technology and test these solutions in conditions found in practice.

  • Customer-specific tests
  • Product development
  • Initial sample test reports
  • Failure analysis
  • State-of-the-art measuring methods
  • Flexibility


There are many good reasons for using our laboratory services.

Find out more about strengths, options and specific benefits and procedures. For every detail.

Accredited test procedures

Tested and deemed good. Böllhoff’s technical test laboratory has been certified by the German accreditation body (DAkkS) under D‑PL‑18304‑01‑00.
Accreditation applies to the test procedures listed in the certificate.

Extensive test options

Versatile and modern. Our laboratory equipment leaves nothing to be desired.

Qualified employees

With competence, routine and expertise Our laboratory team is very well trained and has many years of experience.

Flexibility and speed

Best framework conditions. We conduct all of our tests in our in-house laboratory. This makes us independent, fast and flexible.

Certified quality to IATF 16949

No compromise. For us, quality is the non-negotiable top priority.

Our services


Mechanical-technical testing

  • Tensile strength and compression testing to 400 kN
  • Hardness testing
  • Screwing tests (torque, angle of rotation, preload force)
  • Adhesion factor analysis
  • Structural testing / metallography
  • Surface defect inspection
  • Sealing tests
  • Cleanliness testing
  • Vibration testing of fasteners up to M16 size
  • Continuous vibration testing up to 150 kN ± 75

Physical tests

  • Coating thickness measurement – X-ray fluorescence analysis
  • Optical emission spectroscopy

Chemical testing

  • Corrosion testing (salt spray mist, Strauss test)
  • Chromium VI content testing of surface coatings
  • Preparation of mechanical samples / preparation / test rig and equipment


Find out more: related downloads.

If you would like to know more, simply download the relevant brochures.

Title Language Version File Download
Services of the accredited test laboratory
English 01/2021 3876 kB / PDF
English 01/2021 3876 kb / PDF

To view PDF documents, you will need the free Adobe Acrobat Reader.


Download our certificates here.

We would be glad to send you additional documentation on request.

Certificate (valid for) Language Valid until File Download
DIN EN ISO/IEC 17025:2018 (BVT, Bielefeld)
2021‑05‑11 - 7859 kB / PDF
2021‑05‑11 - 7859 kb / PDF

To view PDF documents, you will need the free Adobe Acrobat Reader.

More information

Would you like to discover more of the World of Joining?

Here you will find information about successful applications and related topics.