About us

Established in 1981, we’ve been evolving ever since. Never ceasing to integrate innovations while expanding our skills and capacities, we’ve laid a solid foundation for our work – which is now recognised worldwide. The high standards we set for our work are one of the key factors setting us apart: Never ceasing to work hard for our customers, we ensure added value and cost savings on their behalf!

Outstanding quality, the utmost flexibility, and exceptional commitment – coupled with competence and experience – have underscored our success ever since the company was founded. Today, we’re one of the market leaders in the field of precision tool manufacturing, "made in Germany".

Our customers benefit both from our many years of experience and from the results of our intensive cooperation with universities and leading research institutes.

We’re experts when it comes to developing bespoke solutions tailored to the way our customers manufacture.

Our products help our customers to ensure and optimise their performance and quality! That is why we have consistently developed our expertise – particularly in the areas of process analysis, planning, and optimisation. Taking such expertise, we now also provide our customers with consultation services, independently of our products. As consultants with a strong technical understanding we advise you supports with concepts aiming to reduce process costs throughout the entire production process – offering resilient solutions suitable for everyday application.

We look forward to convincing you of us!



in our history


Foundation of the K.-H. Müller GbR tool grinding shop on 1 April 1981 by Karl-Heinz and Siglinde Müller.  Tools for woodworking were ground by 3 employees.


Construction of a new production hall at the company’s site in Sien.


Expansion of the range of services to include the grinding of tools for the metalworking industry.


Completion of a second production building.


Investment in the first CNC-controlled tool grinding machine.


Certification according to DIN EN ISO 9001


Expansion of the production area. Foundation of Müller Präzisionswerkzeuge GmbH as the operative successor to K.-H. Müller GbR.


The production volume of 300,000 cutting tools per year is exceeded for the first time with a machine pool consisting of 14 CNC-controlled machining centres and approximately 20 manually controlled machines.


Acquisition of K.-H. Müller Präzisionswerkzeuge GmbH by Frowein & Co. Beteiligungs AG.


Expansion of the range of services through investment in an in-house PVD coating plant.


The production area of 2,600 sqm is expanded to include a new production cell for new tools (investment volume approx. 2 million euros). At this time, 60 people are employed at the Sien site.


Acquisition of Toolexperte.de GmbH in Meßstetten (Baden-Württemberg) by K.-H. Müller Präzisionswerkzeuge GmbH.


Introduction of SAP


Concentration of development and production by merging the production sites in Sien and Meßstetten at the company’s site in Sien (Rhineland-Palatinate).


Müller Präzisionswerkzeuge GmbH currently employs 80 qualified staff at the company’s site in Sien, in the development, production, servicing, and sale of high-performance solid carbide precision tools.


Trainee Shuttle: Pick-up and return journey from / to our trainees’ place of residence.


Investment of €1.2 million in coating and de-coating plant


New dental endmills product line


Expansion of our machine park with an additional cylindrical grinding machine


Extension of our machine park by a 5-axis grinding machine


Extension of our machine park by a Walter Helitronic Vision 400L including pallet loader with robotic loading system and an 8-way disc changer.

Our production

Impressions from our company


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