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Quality and safety create trust.

At Schraubenwerk Zerbst, this is a promise of brand and value.

We live the quality management system

It is our clear objective to achieve the highest possible customer satisfaction. Our quality management system is based on the requirements of DIN EN ISO 9001:2015 and DIN EN ISO 14001:2015. Together with our customers, we work to constantly develop and improve our processes.

We guarantee a high quality standard through targeted supplier selection and control, careful inspection of incoming goods, systematic production monitoring, modern production equipment and well-qualified employees.

With the EMAS certification for a comprehensive environmental management system, we underline our own claim to protect the environment and to work in a manner that conserves resources.

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Laboratory - fasteners on the test bench

Accompanying our manufacturing process are constant dimensional checks of the geometries as well as tests of the mechanical properties of the products. The tests are carried out by our own laboratory.

The equipment includes:

  • Optical measuring machines

  • Testing machines hardness

  • Notched bar impact testing machine

  • Reflected light microscope metallography

  • Tensile-compression testing machines up to 3.500kN

  • Friction test machines up to 22.000Nm

Certification documents for the documentation of the product quality

  • Factory certificate 2.1 - EN 10204

  • Factory certification 2.2 - EN 10204

  • Acceptance test certificate 3.1 - EN 10204

  • Acceptance test certificate 3.2 - EN 10204

  • We cooperate with independent acceptance organizations such as TÜV-Nord, ABS, DNV-GL, ABS, LRS.

Our certificates to download


Certifice ISO 9001 english


Certificate EN15048 Schraubenwerk

Eco Vadis

Certificate HPQ Schraubenwerk


certificate Übereinstimmungs-Zertifikat Schraubenwerk


Certificate 14001


Certificate EN1090 Schraubenwerk


Certificate TPG HT Schraubenwerk

hersteller DGR

Vorschau_Zertifikat QM-Werkstoffhersteller DGR_DE_ENGeltung5.png


certificate EMAS Schraubenwerk


Certificate HPQ Schraubenwerk


Certificate TPG NDT Schraubenwerk


Certificate  EN14399 Schraubenwerk


Certificate Q1 Schraubenwerk


Certificate DASt021 Schraubenwerk

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