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MLDH Micro long drills

PMKNSH

MLDH Series

Solid carbide micro long drills

MLDH micro long drills are oil-hole drills for high efficiency drilling that were developed for drilling deep, small-diameter holes. These next-generation, small-diameter hole drills feature improved strength which is often a problem area with small-diameter drills. Special PVD coating provides long tool lfe with a wide variety of work materials.

  • High efficiency drilling to depths of over 20x drill diameter at over Vf= 500mm/min
  • Hole depth (L/D): 2D / 5D / 12D / 20D / 30D
  • Excellent wear and fracture resistance

MLDH Head

Optimal thinning and edge balance for stable chip control

  • Special groove shape ensures good drill rigidity
  • Reduced spindle load fluctuation
  • Stable long tool life

Movie of MLDH Series

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