Specialist in abrasives in the Liège region

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Extra-long
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Extra-long > Metal twist drills
Extra-long

Applications:

  • Unalloyed or low alloyed steels        200-400 N/m²
  • Heat treatable steels                       400-1200 N/m²
  • Stainless steels                               400-1150 N/m²

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Helix N type      Helix angle 30°

  Point angle 118°      Conventional point