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HPR Drill - new

High-speed, high-feed drilling up to 8xD, with standard through coolant supply.

Patented corner radius enabling long tool life, excellent hole quality, while avoiding workpiece chipping during exits.

Patented HPR point thinning providing excellent self-centring capabilities with low thrust, enabling excellent hole straightness.

4 margin lands ideal for cross holes and inclined exits, proving maximum stability.

Ultra-High polished flutes providing minimum friction, improving chip evacuation and tool life.

MQL-ready!  All shanks fulfil the DIN 6535 and 69090-03 requirements for minimum quantity lubrication.

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Workpiece Material
  • K Cast Iron (452)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
      (452)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
      (452)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (452)
Applications
  • Cross Hole Drilling Cross Hole Drilling (452)
  • Drilling Drilling (452)
  • Inclined Exit Drilling Inclined Exit Drilling (452)
  • Pre-Condition Pre-Condition (452)
  • Stacked Plates Drilling Stacked Plates Drilling (452)
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