Counterboring Tools

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    Workpiece Material
    Workpiece Material
    • P Steel (86)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(86)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(86)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(86)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(86)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(86)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(86)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(86)
    • M Stainless Steel (86)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(86)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(86)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(86)
    • K Cast Iron (104)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(104)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(104)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(104)
    • N Non-Ferrous Materials (64)
      • N1
        Wrought Aluminum (64)
      • N2
        Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(64)
      • N3
        High-Silicon Aluminum Alloys Si >12.2%(60)
      • N4
        Copper, Brass, Zinc-based on machinability index range of 70-100 (64)
      • N5
        Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (64)
      • N6
        Carbon, Graphite Composites, CFRP (64)
      • N7
        MMC's (59)
    • S High-Temp Alloys (85)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(85)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(85)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(85)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(85)
    • H Hardened Materials (51)
      • H1
        Hardened Materials 44-48 HRC(51)
      • H2
        Hardened Materials 48-55 HRC(51)
      • H3
        Hardened Materials 56-60 HRC(51)
      • H4
        Hardened Materials >60 HRC(51)
    Applications
    Applications
    • CounterboringCounterboring (35)
    • DrillingDrilling (35)
    Cutting Diameter
    Cutting Diameter
    • 0.595 in(1)
    • 0.635 in(1)
    • 0.674 in(1)
    • 0.714 in(2)
    • 0.794 in(2)
    • 0.812 in(1)
    • 0.834 in(2)
    • 0.873 in(2)
    • 0.912 in(2)
    • 0.953 in(2)
    • 0.991 in(2)
    • 1.0 in(1)
    • 1.031 in(1)
    • 1.07 in(1)
    • 1.109 in(1)
    • 1.187 in(1)
    • 1.188 in(1)
    • 1.268 in(1)
    • 1.307 in(1)
    • 1.346 in(1)
    • 1.387 in(1)
    • 1.425 in(1)
    • 1.504 in(1)
    • 1.583 in(1)
    • 1.625 in(1)
    • 1.661 in(1)
    • 1.819 in(1)
    • 2.0 in(1)
    Cutting Diameter MintoCutting Diameter Max
    Cutting Diameter
    Cutting Diameter
    • 15.125 mm(1)
    • 16.125 mm(1)
    • 17.125 mm(1)
    • 18.125 mm(2)
    • 20.175 mm(2)
    • 20.625 mm(1)
    • 21.175 mm(2)
    • 22.175 mm(2)
    • 23.175 mm(2)
    • 24.175 mm(2)
    • 25.175 mm(2)
    • 25.401 mm(1)
    • 26.175 mm(1)
    • 27.175 mm(1)
    • 28.175 mm(1)
    • 30.151 mm(1)
    • 30.175 mm(1)
    • 32.2 mm(1)
    • 33.2 mm(1)
    • 34.2 mm(1)
    • 35.2 mm(1)
    • 36.2 mm(1)
    • 38.2 mm(1)
    • 40.2 mm(1)
    • 41.276 mm(1)
    • 42.2 mm(1)
    • 46.2 mm(1)
    • 50.801 mm(1)
    Cutting Diameter MintoCutting Diameter Max
    Cutting Condition
    Cutting Condition
    • Interrupted (20)
    • Stable (69)
    • Unstable (20)
    Maximum Hole Depth [L4]
    Maximum Hole Depth [L4]
    • 8.5 mm(2)
    • 11.0 mm(1)
    • 12.701 mm(1)
    • 13.5 mm(3)
    • 15.875 mm(1)
    • 16.0 mm(7)
    • 18.5 mm(1)
    • 19.05 mm(1)
    • 21.0 mm(3)
    • 23.0 mm(2)
    • 23.5 mm(3)
    • 25.401 mm(1)
    • 25.5 mm(3)
    • 27.5 mm(1)
    • 30.0 mm(1)
    • 30.5 mm(1)
    • 31.75 mm(1)
    • 33.5 mm(2)
    Maximum Hole Depth [L4] MintoMaximum Hole Depth [L4] Max
    Maximum Hole Depth [L4]
    Maximum Hole Depth [L4]
    • 0.335 in(2)
    • 0.433 in(1)
    • 0.5 in(1)
    • 0.531 in(3)
    • 0.625 in(1)
    • 0.63 in(7)
    • 0.728 in(1)
    • 0.75 in(1)
    • 0.828 in(3)
    • 0.906 in(2)
    • 0.925 in(3)
    • 1.0 in(1)
    • 1.004 in(3)
    • 1.083 in(1)
    • 1.181 in(1)
    • 1.201 in(1)
    • 1.25 in(1)
    • 1.319 in(2)
    Maximum Hole Depth [L4] MintoMaximum Hole Depth [L4] Max
    Connection Style
    Connection Style
    • Weldon (5)
    • Whistle Notch 2 (30)
    Number of Flutes
    Number of Flutes
    • 2 (12)
    • 3 (23)
    Cutting Edges Per Insert
    Cutting Edges Per Insert
    • 2.0 (111)
    • 4.0 (15)
    Cutting Edges Per Insert MintoCutting Edges Per Insert Max
    Internal Coolant Capability
    Internal Coolant Capability
    Over All Length [L]
    Over All Length [L]
    • 3.189 in(2)
    • 3.386 in(9)
    • 3.5 in(2)
    • 3.583 in(4)
    • 3.781 in(4)
    • 3.976 in(4)
    • 4.0 in(1)
    • 4.37 in(2)
    • 4.5 in(2)
    • 4.567 in(1)
    • 4.764 in(2)
    • 4.961 in(2)
    Over All Length [L] MintoOver All Length [L] Max
    Over All Length [L]
    Over All Length [L]
    • 81.0 mm(2)
    • 86.0 mm(9)
    • 88.9 mm(2)
    • 91.0 mm(4)
    • 96.0 mm(4)
    • 101.0 mm(4)
    • 101.601 mm(1)
    • 111.0 mm(2)
    • 114.301 mm(2)
    • 116.0 mm(1)
    • 121.0 mm(2)
    • 126.0 mm(2)
    Over All Length [L] MintoOver All Length [L] Max
    Corner configuration
    Corner Radius
    Corner Radius
    • 0.008 in(3)
    • 0.016 in(34)
    • 0.024 in(4)
    • 0.031 in(15)
    • 0.039 in(6)
    • 0.047 in(6)
    • 0.063 in(5)
    • 0.079 in(3)
    Corner Radius MintoCorner Radius Max
    Corner Radius
    Corner Radius
    • 0.2 mm(3)
    • 0.4 mm(34)
    • 0.601 mm(4)
    • 0.8 mm(15)
    • 1.0 mm(6)
    • 1.201 mm(6)
    • 1.6 mm(5)
    • 2.0 mm(3)
    Corner Radius MintoCorner Radius Max
    Corner Chamfer
    Corner Chamfer
    • 0.0 mm(76)
    Corner Chamfer MintoCorner Chamfer Max
    Corner Chamfer
    Corner Chamfer
    • 0.0 in(76)
    Corner Chamfer MintoCorner Chamfer Max
    Application
    Minimum Depth of Cut
    Minimum Feed
    Minimum Feed
    Grade Of Cutting Tool
    Grade Of Cutting Tool
    • CD4 (35)
    • CM4 (35)
    • CS5 (36)
    • KC7140 (39)
    • KC720 (7)
    • KC7210 (35)
    • KC7215 (67)
    • KC7815 (7)
    • KCPK10 (41)
    • KCU25 (48)
    • KCU40 (49)
    • KM1 (41)
    Hand Of Tool
    Hand Of Tool
    • R (35)
    Wiper Insert
    Wiper Insert
    • N (76)
    Drill Type
    Drill Type
    • 86-04 (35)
    Insert Geometry
    Shape
    Shape
    • S-SQUARE 90 (76)
    Insert IC Size
    Insert IC Size
    • 6.351 mm(13)
    • 7.926 mm(16)
    • 9.525 mm(20)
    • 12.701 mm(18)
    • 15.875 mm(9)
    Insert IC Size MintoInsert IC Size Max
    Insert IC Size
    Insert IC Size
    • 0.25 in(13)
    • 0.312 in(16)
    • 0.375 in(20)
    • 0.5 in(18)
    • 0.625 in(9)
    Insert IC Size MintoInsert IC Size Max
    Cutting Edge Length
    Cutting Edge Length
    • 6.351 mm(13)
    • 7.926 mm(16)
    • 9.525 mm(20)
    • 12.701 mm(27)
    Cutting Edge Length MintoCutting Edge Length Max
    Cutting Edge Length
    Cutting Edge Length
    • 0.25 in(13)
    • 0.312 in(16)
    • 0.375 in(20)
    • 0.5 in(27)
    Cutting Edge Length MintoCutting Edge Length Max
    Chip Breaker CBMD
    Chip Breaker CBMD
    • 20 (33)
    • 21 (30)
    • 22 (4)
    Cutting Tool Material
    Cutting Tool Material
    • H W (76)
    Tolerance Class
    Tolerance Class
    • H (12)
    Back-End
    Connection Type
    Connection Type
    • CYLINDRICAL (35)
    Back-End Diameter
    Back-End Diameter
    • 19.05 mm(2)
    • 20.0 mm(23)
    • 25.401 mm(2)
    • 31.75 mm(1)
    • 32.0 mm(7)
    Back-End Diameter MintoBack-End Diameter Max
    Back-End Diameter
    Back-End Diameter
    • 0.75 in(2)
    • 0.787 in(23)
    • 1.0 in(2)
    • 1.25 in(1)
    • 1.26 in(7)
    Back-End Diameter MintoBack-End Diameter Max
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