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Get Unfamiliar with Downtime

HARVI IV 8-Flute End Mills are the latest addition to Kennametal’s HARVI family of high-performance and versatile end mills. With a unique design that offers higher metal removal rates and feed rates than 7-flute end mills and more versatility than traditional 9-flute end mills, HARVI IV 8-Flute End Mills keep customers cutting in difficult-to-machine materials. Rough and finish with one reliable tool in high-temp alloys, stainless steel, steels and hardened materials while achieving powerful chip clearance from internal coolant channels. Level up with 8 flutes and get unfamiliar with downtime.

  • Diameter range 3/8-1”, 10-25mm
  • Length range 1.2-4.3xD
  • Internal through coolant
  • Chip splitters featured on versions greater than 2xD length of cut

 

Your Toughest Materials Don't Stand a Chance

  • 8-Flute Design: Increases productivity with higher machining flexibility and process stability
  • Featuring new KCSM15A Grade: With innovative coating technology for extended tool life and wear resistance
  • Internal Coolant Supply: Clears chips for continued cutting, even in deep cavities

Featuring Our NEW KCSM15A Milling Grade

The incredibly versatile HARVI IV 8-Flute End Mills are complemented by our new stainless steel, titanium and high-temp alloy solid end milling grade KCSM15A. This new grade features an innovative coating technology that’s delivering extended tool life for users and the best wear resistance in Kennametal’s history of solid carbide end milling.

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    Workpiece Material
    • P Steel (390)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(390)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(390)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(390)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(390)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(390)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(390)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(390)
    • M Stainless Steel (390)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(390)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(390)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(390)
    • S High-Temp Alloys (390)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(390)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(390)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(390)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(390)
    • H Hardened Materials (390)
      • H1
        Hardened Materials 44-48 HRC(390)
      • H2
        Hardened Materials 48-55 HRC(390)
    Applications
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    • Pocket HelicalPocket Helical (390)
    • Pocket MillingPocket Milling (390)
    • RampingRamping (390)
    • Shoulder MillingShoulder Milling (390)
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    • Shoulder Square EndShoulder Square End (390)
    • Trochoidal MillingTrochoidal Milling (390)
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