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
Workpiece Material
  • P Steel (896)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (848)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (896)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (896)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (896)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (896)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (896)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (896)
  • M Stainless Steel (806)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (806)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (806)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (806)
  • K Cast Iron (652)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (651)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (651)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (651)
  • N Non-Ferrous Materials (331)
    • N1
      Wrought Aluminum (299)
    • N2
      Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2% (312)
    • N3
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  • S High-Temp Alloys (775)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (774)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (774)
    • S3
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    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (744)
  • H Hardened Materials (151)
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      Hardened Materials 48-55 HRC (151)
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      Hardened Materials 56-60 HRC (151)
    • H4
      Hardened Materials >60 HRC (151)
  • C CFRP Materials (244)
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    • C2
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  • IN (25)
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Applications
Applications
  • Blind & Cross Hole Finishing Blind & Cross Hole Finishing (249)
  • Blind Hole Finishing Blind Hole Finishing (348)
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  • Facing Facing (2)
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  • Multiple Direction Cutting Multiple Direction Cutting (12)
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  • Slot Side Slot Side (5)
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  • Through Hole Finishing Through Hole Finishing (272)
  • Turning Turning (2)
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Cutting Diameter
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Cutting Condition
Cutting Condition
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Reach
Reach
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Reach
Reach
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Reach Min to Reach Max
Tool Cutting Edge Angle
Tool Cutting Edge Angle
  • 90.0 (69)
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Connection Style
Connection Style
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  • Whistle Notch 2 (3)
  • Whistle Notch 2 Front (12)
Number of Flutes
Number of Flutes
  • 2 (4)
  • 3 (1)
  • 4 (64)
  • 6 (178)
  • 8 (88)
Cutting Edges Per Insert
Cutting Edges Per Insert
  • 0.0 (5)
  • 1.0 (60)
  • 2.0 (351)
  • 3.0 (217)
  • 4.0 (149)
Cutting Edges Per Insert Min to Cutting Edges Per Insert Max
Internal Coolant Capability
Internal Coolant Capability
Over All Length [L]
Over All Length [L]
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Over All Length [L]
Over All Length [L]
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Corner Chamfer
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Grade Of Cutting Tool
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