Holemaking  >  Grade
The ingenious solution that takes cutting tool materials to another level
  • Improved adhesion and insert chipping resistance
  • Stable and extended tool life in continuous and interrupted cutting operations
  • Reduced cutting friction and minimized built-up edge on exotic materials
  • High quality surface finish on the work pieces
  • drillgrade_9080
  • Sub-micron grade with high hardness and toughness
  • New Multi-layered coating for higher chipping resistance
  • Special surface treatment for reduction of cutting friction & improvement of chipping resistance
  • First choice for general application
  • drillgrade_9300
  • Excellent wear resistance by fine structure coating layer
  • Excellent chipping resistance by special surface treatment
  • Only for outer pocket
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