Up-Downcut spiral bits, with positive and negative cutting edges to achieve an optimal finish on both sides of the panel. These are used on CNC machining centres and point-to-point boring machines. For contouring, sizing and profiling  hardwood and wood composites, laminated and plastic materials.


  • HWM body
  • 1 positive and 1 negative helical cutting edge in HM (Z=1+1)
  • 2 positive and 2 negative helical cutting edges in HM (Z=2+2)
  • Excellent finish on both sides of the workpiece