High precision grooving tools for small parts machining

GBF grooving tools offer low cutting force with a large rake angle for high precision grooving. Long tool life and highly efficient machining is made possible by MEGACOAT technology.




  • Groove widths from 0.25 mm
  • Maximum groove depths up to 3 mm
  • GW15 for non-ferrous metal machining
  • PR1535 achieves long tool life and stable machining of stainless steel


What's new?

  • Lineup expansion: Ground chipbreaker (Corner-R 0.10) and external sleeve holder
  • JCTM series direct coolant holder for small parts machining