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Precision Hole Finishing - Reaming & Boring

Kennametal offers comprehensive solutions for precision hole finishing. The portfolio includes solid reamers, modular reamers, expandable reamers, and rotating boring systems for large-volume production and fine-bore tooling. Kennametal's reaming tools are ideal for achieving fine surface finishes and tight tolerances. These tools feature cutting-edge geometries and materials, ensuring consistent results and extended tool life in precision hole finishing applications.   

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    Workpiece Material
    • P Steel (965)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(917)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(965)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(965)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(965)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(965)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(965)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(965)
    • M Stainless Steel (847)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(847)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(847)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(847)
    • K Cast Iron (808)
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        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(807)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(806)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(806)
    • N Non-Ferrous Materials (489)
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        Hardened Materials >60 HRC(154)
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    • IN (25)
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    Applications
    Applications
    • Blind & Cross Hole FinishingBlind & Cross Hole Finishing (249)
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    Number of Flutes
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    Cutting Edges Per Insert
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    Internal Coolant Capability
    Over All Length [L]
    Over All Length [L]
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    Over All Length [L] MintoOver All Length [L] Max
    Over All Length [L]
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    Corner Chamfer
    Corner Chamfer
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    Rotating Boring

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    High-performance rotating boring systems are perfect for precision hole finishing. Select from Kennametal’s line of Romicron™ and eBore™ fine bore tooling.
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    Widen pre-existing holes with Kennametal’s full line of reamers. Select from modular systems and solid carbide reaming tools to PCD and expanding reamers.
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