ZIRA Präzisions Gewinde Werkzeuge seit 1957
Company ZIRA

With many innovations and customer-specific product solutions we look back on more than 60 years experience in the production of high-quality precision tools. We guarantee an optimal service level and therefore fast delivery from our stock in Radevormewald.
We always offer the optimized cutting tool for your application. For industry and crafts - for every budget!

Since 01.01.2020, ZIRA has taken over the brand PEDO (formerly Petermann & Dorr GmbH & Co. KG, Solingen) and greatly expanded its thread expertise with a further 75 years of experience.

Unsere Geschichte

ZIRA Precision Threading Tools - Highest competence all around precision threads.
Since 01.01.2020, ZIRA has taken over the brand PEDO (formerly Petermann & Dorr GmbH & Co. KG, Solingen) and greatly expanded its thread expertise with a further 75 years of experience.

Petermann & Dorr – PEDO

Foundation in Burg an der Wupper by Walter Petermann and Wilhelm Dorr.
irst of all, in the post-war years, everything what was needed has been produced: like cooking pots, circular saw shafts, consentity closure fittings up to repair work for schools. The real goal: the production of tools – dies, hexagonal nuts and holding tools was fully ramped up after the currency reform in 1948.

Tobias van Hasselt

Relocation and expansion of production.


The 2nd generation Mrs. Breitfort (née Petermann) enters the operational business


Exhibition at national and international trade fairs.

Tobias van Hasselt

Expansion of production and buildings.


Specialization of the factory.


Expansion of the product portfolio to 6000 articles. Supply to many large specialist retailers in Germany and Europe.

ZIRA Präzisions Gewinde Werkzeuge

In early 1950 Erwin Zimmermann founded a small production plant for Circular Dies & Die Nuts in Radevormwald. He worked previously in South Africa and finished his engineer masters examination. In this time he worked with two specialized employees. 1957 he prepared the first official price list.


ZIRA is one of the first companies to relocate to the Merbach business park. Due to the expansion of the machine park and deepening of the product portfolio, it is now possible to manufacture all metric and imperial types of threads with 10 employees.


The company is registered in the commercial register under the name ZIRA Erwin Zimmermann.


The handover will be made to the longtime employee Bernd Schreiner. At the same time ZIRA focuses on the production of individual special tools according to drawing or customer request.


Expansion of the standard product portfolio to 6000 articles.


Further specialization by taking up a comprehensive thread repair program.


Handing over to Mr Tobias van Hasselt who will successfully lead the company into the next generation with his many years of experience in the field of precision tools.

Tobias van Hasselt

Expansion of export share from 10% to 50%.


Successful digitization of the custom-made production process in order to manufacture special tools more flexibly and faster according to customer requirements. New location in Wuppertal with doubling of logistics capacities.


The continuation of the brand PEDO (formerly Petermann & Dorr GmbH & Co.KG) with expansion of competence in the field of thread cutting tools.


Expansion of the product range to 15,000 articles for drilling, threading, countersinking and deburring.

60 Years

competence and experience

4000 Articles

Threading tools

2000 Produkte

Drilling, Countersinking & Deburring tools

35 Countries

Export experience