from high tensile cast iron. The highly wearable pieces are made
in steel. The self -centering clamping is particolary useful in
applications where special bores or slots of various sizes are to
be performed with reference to the work-piece center. The 360°
graduated swivel base permits the positioning at any angle with
As to slots, in the lower part there is a key as a reference for
centering and aprallelism between the machine and the zero position
of the voice.