Zmac boring head, from nikken kosakusho works -japan, an advanced boring head world with unmatched new features of double contact support for high speed, high precision, high rigidity, easy operation and high durability. High-pressure through-tool coolant available on all heads. The company also manufactures multi-stage boring bar for boring at different diameters with the same tool. It offers specially designed inserts with specially developed coatings [ti aln and cbn] for substantial improvement in cutting parameters. Zmac boring heads and inserts have been designed to optimize the new high speed cutting technology.
