With safety
to maximum precision

Your partner when it comes to precision and quality.

Over 75 years of experience, research and competence make us your reliable partner when it comes to the highest requirements in measurement technology.
As a producer, manufacturer and problem solver, we ensure your product quality through a guaranteed maximum of precision and reliability and thus also promote the economic success of our customers.
Our team of 35 employees is headed by Alexander Baumann-Rassokhatskyi. We are an independent, family-owned company that delivers to over 70 countries worldwide and supplies numerous government institutes with gauge blocks and calibration standards.
We are happy to supply you with high quality products made in Germany.
This tradition is our commitment for the future.

Precise at any point in the world

Our quality standards result from the standard you set for quality.

Our products

“Quality is the art of permanently meeting customer`s requirements and exceeding them through continuous improvement with the most efficient use of resources.” (Torben Stutzke)
For us this means: our precision starts where others stop. We sell our products worldwide for your precision work in the μ-range. This high quality pays off for you and the higher investment is amortized in a short time. Our wide product range and individual customer solutions leave nothing to be desired.
We would be happy to help you in your search for the µ. Contact us at +49 6021 34630 or via our contact form

Standards for 3-D coordinate metrology

Test specimens for measuring equipment

Gauge Blocks

Accessories for Gauge Blocks

Gauges and Setting Standards

Calibration service

ISO 9001.

We are certified

DIN EN ISO/IEC 17025.​

We are a DAAKS accredited calibration laboratory.

Our manufacturing with unique precision technologies

Our strength lies in complete solutions. We manufacture your high-precision products from saw cutting to finish machining in the 0.0001 mm range, including comprehensive quality control.

KOBA – Kolb und Baumann – Hersteller für Präzisions-Messzeuge - Produkte - Präzisionstechnologie

We manufacture the right parts individually for your application.

Our range of services includes:
– Milling
– Vibratory finishing
– Rough grinding
– Surface grinding
– Lapping
– Hand Lapping

Our success stories: Selected project references of highest precision.

Our relentless commitment to the highest precision in every step of work defines us, but nothing surpasses our pursuit of complete customer satisfaction. The fact that we can excite renowned customers with our work fills us with great pride. Discover who already relies on our expertise.


Kolb & Baumann GmbH & Co. KG
Factory for precision measuring tools

Daimlerstraße 24
D-63741 Aschaffenburg

Telefon: +49 6021 3463-0
Telefax: +49 6021 3463-40
E-Mail: messzeuge@koba.de

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