Horst Lach Celebrates Milestone Birthday

85 Years of Innovation and Pioneering Spirit

Hanau, April 3, 2025 – Horst Lach, an icon of the diamond tool industry, celebrates his 85th birthday today. With a life full of groundbreaking innovations and tireless dedication, he has significantly shaped the industry and made LACH DIAMANT a leading global provider of diamond and CBN tools.

A Life for Diamond Tools

Horst Lach, born on April 3, 1940, joined the company founded by his father in 1960 and significantly shaped its future with innovative ideas. Under the watchful eye of his father, Jakob Lach, he further developed the company and initiated the transformation from a diamond grinding shop to a pioneer in the diamond tool industry. With his visionary ideas and an unfailing sense of innovation, Horst Lach set new standards and left a lasting impact on the industry.

The pioneer Horst Lach celebrates his 85th birthday.

Milestones and Innovations

From developing the first CBN grinding wheels to introducing polycrystalline diamond in the tool industry – Horst Lach has always driven progress. Particularly noteworthy is his groundbreaking discovery of processing polycrystalline diamond using spark erosion, which laid the foundation for today’s mass production in the wood, furniture, and kitchen industries.

Horst Lach points to a picture of him from the 1960s where Lach Diamant exhibited at the show in Hannover, Germany.

Over 100 years later, Horst Lach has developed the company into a successful tool manufacturer: LACH DIAMANT produces high-precision diamond and CBN tools worldwide and collaborates with customers from the automotive, aerospace, wind power, electronics, furniture industries, and many others to develop suitable tool concepts. The company now employs over 150 people at its locations in Hanau, Lichtenau near Chemnitz, and Grand Rapids, Michigan, USA.

A Look into the Future

Even at 85, Horst Lach’s spirit of innovation remains unbroken. Supported by an experienced team and his family, especially his daughters Iris, Denise, and Annabelle, and hand in hand with his son Robert Lach, he continues to lead the company into a promising future. LACH DIAMANT remains a key player in developing new tool concepts for the wind power, aircraft, automotive and many more industries.

Horst Lach is a Hanau native with a love for his hometown and is involved in many cultural and sports areas of the region. As a big fan of the football club „Eintracht Frankfurt“, he never misses a game at the stadium and passionately cheers for “his” team. Together with his wife Margot, he proudly looks at his descendants – now his five children, nine grandchildren, and one great-grandchild.

On Horst Lach’s 85th birthday, we congratulate an extraordinary entrepreneur who has shaped an entire industry with pioneering spirit, foresight, unwavering innovative power, and bold decisions.
Congratulations!

Still at 85 years, Horst Lach enjoys going to the shows.