CoroCut MB (minibar) tools focus on internal high-precision grooves in holes down to 10-mm diameter. It has a range of insert widths from 0.7 mm for circlip grooves and differnt insert sizes for shallow and deep grooves, which makes it versatile. It also offers inserts for turning and threading.

The tools are characterized by the simple handling, easy and accurate indexing of the insert mounted with a screw from the front without removing the toolholder from the mahcine turret. Furthermore, the inserts can be used in all application areas, but especially in steel and stainless steel operations.

The boring bars are designed with the internal cutting fluid supply directed at the cutting edge via two nozzles to ensure effective chip evacuation and sufficient cooling.