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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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Applications
  • Cross Hole Drilling Cross Hole Drilling (452)
  • Drilling Drilling (452)
  • Inclined Exit Drilling Inclined Exit Drilling (452)
  • Stacked Plates Drilling Stacked Plates Drilling (452)
Workpiece Material
  • P Steel (452)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (452)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS
      (452)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS
      (452)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS
      (452)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS
      (452)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS
      (452)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS
      (452)
  • 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)
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