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High-speed, high-feed drilling now up to 12xD, 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-centering 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.
Download NowHPR Drills Application Data Cover



Application Data is Now Available!

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    Key Filters
    Workpiece Material
    Workpiece Material
    • P Steel (413)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(413)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(413)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(413)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(413)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(413)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(413)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(413)
    • K Cast Iron (413)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(413)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(413)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(413)
    Applications
    Applications
    • Cross Hole DrillingCross Hole Drilling (413)
    • DrillingDrilling (413)
    • Inclined Exit DrillingInclined Exit Drilling (413)
    • Stacked Plates DrillingStacked Plates Drilling (413)
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    KenDrill™ HPR • 8 x D • Internal Coolant • Straight Shank • Inch

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