Expandable Reaming

Expandable reaming tools are designed for precision hole finishing. They are particularly useful for reaching deep holes where traditional reamers might have a challenge. Engineered for either axial or radial clamping, these expandable reaming tools can adjust while maintaining concentricity and stability during operation -- resulting in accurate and consistent hole geometries. Additionally, Reamer Head Modular Expandable (RHM) reaming systems support provides a secure and rigid interface between the tool and the machine spindle. With their robust design and reliable clamping mechanisms, RHM modular tool systems enhance performance and accuracy, making them indispensable components in modern machining applications.

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    Workpiece Material
    Workpiece Material
    • P Steel (116)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(116)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(116)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(116)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(116)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(116)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(116)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(116)
    • M Stainless Steel (116)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(116)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(116)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(116)
    • K Cast Iron (116)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(116)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(116)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(116)
    • S High-Temp Alloys (116)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(116)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(116)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(116)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(116)
    Applications
    Applications
    • Blind & Cross Hole FinishingBlind & Cross Hole Finishing (58)
    • Blind Hole FinishingBlind Hole Finishing (58)
    • Through & Cross Hole FinishingThrough & Cross Hole Finishing (58)
    • Through Hole FinishingThrough Hole Finishing (58)
    Cutting Diameter
    Cutting Diameter
    • 0.551 in(4)
    • 0.564 in(4)
    • 0.591 in(4)
    • 0.63 in(4)
    • 0.669 in(4)
    • 0.689 in(4)
    • 0.709 in(4)
    • 0.748 in(4)
    • 0.75 in(4)
    • 0.787 in(4)
    • 0.828 in(4)
    • 0.866 in(4)
    • 0.875 in(4)
    • 0.906 in(4)
    • 0.939 in(4)
    • 0.946 in(4)
    • 0.984 in(4)
    • 1.0 in(4)
    • 1.024 in(4)
    • 1.063 in(4)
    • 1.102 in(4)
    • 1.181 in(4)
    • 1.25 in(4)
    • 1.26 in(4)
    • 1.339 in(4)
    • 1.417 in(4)
    • 1.496 in(4)
    • 1.575 in(4)
    • 1.655 in(4)
    Cutting Diameter MintoCutting Diameter Max
    Cutting Diameter
    Cutting Diameter
    • 14.0 mm(4)
    • 14.3 mm(4)
    • 15.0 mm(4)
    • 16.0 mm(4)
    • 17.0 mm(4)
    • 17.475 mm(4)
    • 18.0 mm(4)
    • 19.0 mm(4)
    • 19.05 mm(4)
    • 20.0 mm(4)
    • 21.0 mm(4)
    • 22.0 mm(4)
    • 22.225 mm(4)
    • 23.0 mm(4)
    • 23.826 mm(4)
    • 24.0 mm(4)
    • 25.0 mm(4)
    • 25.401 mm(4)
    • 26.0 mm(4)
    • 27.0 mm(4)
    • 28.0 mm(4)
    • 30.0 mm(4)
    • 31.75 mm(4)
    • 32.0 mm(4)
    • 34.0 mm(4)
    • 36.0 mm(4)
    • 38.0 mm(4)
    • 40.0 mm(4)
    • 42.0 mm(4)
    Cutting Diameter MintoCutting Diameter Max
    Connection Style
    Connection Style
    • Short Taper Reamer Shank (116)
    Number of Flutes
    Number of Flutes
    • 6 (72)
    • 8 (44)
    Application
    Grade Of Cutting Tool
    Grade Of Cutting Tool
    • KC6005 (58)
    • KC6305 (58)
    Hand Of Tool
    Hand Of Tool
    • R (116)
    Helix Hand
    Helix Hand
    • L (58)
    • N (58)
    Lead in Length
    Lead in Length
    • 0.5 mm(58)
    • 1.1 mm(58)
    Lead in Length MintoLead in Length Max
    Lead In Length
    Lead In Length
    • 0.001 in(58)
    • 0.002 in(58)
    Lead In Length MintoLead In Length Max
    Front-End
    Gage Length
    Gage Length
    • 3.583 in(1)
    • 3.898 in(1)
    • 4.094 in(1)
    • 4.173 in(1)
    • 4.469 in(2)
    • 4.529 in(1)
    • 4.843 in(1)
    • 5.021 in(1)
    • 5.138 in(2)
    • 5.315 in(1)
    • 5.748 in(1)
    • 6.005 in(2)
    • 6.083 in(1)
    • 6.24 in(2)
    • 6.851 in(2)
    • 7.303 in(2)
    • 7.48 in(2)
    • 8.563 in(2)
    • 9.803 in(2)
    • 10.787 in(2)
    Gage Length
    Gage Length
    • 174 mm(2)
    • 190 mm(2)
    • 249 mm(2)
    • 274 mm(2)
    • 104 mm(1)
    • 106 mm(1)
    • 115 mm(1)
    • 123 mm(1)
    • 135 mm(1)
    • 146 mm(1)
    • 91 mm(1)
    • 99 mm(1)
    • 113.5 mm(2)
    • 127.5 mm(1)
    • 130.5 mm(2)
    • 152.5 mm(2)
    • 154.5 mm(1)
    • 158.5 mm(2)
    • 185.5 mm(2)
    • 217.5 mm(2)
    Back-End
    Connection Type
    Connection Type
    • SHORT TAPER (116)
    System Size
    System Size
    • SIF70 (4)
    Back-End Diameter
    Back-End Diameter
    • 11.5 mm(12)
    • 13.5 mm(12)
    • 15.5 mm(12)
    • 16.0 mm(2)
    • 17.5 mm(16)
    • 20.0 mm(40)
    • 25.0 mm(20)
    • 30.0 mm(8)
    • 32.0 mm(8)
    • 35.0 mm(12)
    • 70.0 mm(4)
    Back-End Diameter MintoBack-End Diameter Max
    Back-End Diameter
    Back-End Diameter
    • 0.453 in(12)
    • 0.531 in(12)
    • 0.61 in(12)
    • 0.63 in(2)
    • 0.69 in(16)
    • 0.787 in(40)
    • 0.984 in(20)
    • 1.181 in(8)
    • 1.26 in(8)
    • 1.379 in(12)
    • 2.757 in(4)
    Back-End Diameter MintoBack-End Diameter Max
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