Universal unit with hydraulic expansion for executing one or more grooves into tube sheet holes from 15 to 120 mm diameter

(0.590" to 4.724")

- seats of rings Seeger, rings OR, exhausts,etc.

This unit is entirely manufactured with carbonized, hardened and ground special chromenichel steel end is equipped with a Morse Taper n°4. The unit can be fixed to radial
drilling machines, centre lathes, boring machines, millers and working machines in general.