En TEDISA specialized in the manufacture of crowns with high precision Hirth teeth for the most demanding industrial applications. Our products are used in many sectors including machine tools, power generation, automotive and the rail industry.

We are a world leader in the manufacture of crowns with Hirth teeth, both standard as well as custom design, with more than 40 years of experience.

TEDISA is recognized for precision and the high quality of the teeth we produce, for high quality standards, and strict compliance with delivery times.

We have a large stock of standard series of Hirth rings, whose measurements can be consulted in the Standard Series section (Access ).

We also manufacture rings with Hirth teeth according to drawing and customer specifications, both in sets of two and three crowns, up to a maximum diameter of 1,700 mm.

TEDISA's is complemented by offering high precision grinding solutions for parts up to 2000 mm in diameter and up to 1200 mm high.