TEDISA is a company that manufactures hirth crown gears. Founded in 1988, our company has become a world leader thanks to the precision of its hirth serrations (+1" division precision), and to its strict compliance of delivery times.

We have a large stock of Standard crown gears, whose measurements can be consulted in our "Standard Series" section.


years of experience

+ 200.000

manufactured couplings

+ 40

countries presence

We also make sets of crown gears, in two and three parts, to the customer’s plans, up to a maximum diameter of 1500 mm. Our facilities are over 3500 m², fitted with the latest production and verification resources on the market.

As a complement to our hirth crown gears, TEDISA also produces rectifiers up to 2000 mm in diameter, used to rectify parts with great precision.