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A4™ Integral Boring Bars

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    • P Steel (44)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(44)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(44)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(44)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(44)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(44)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(44)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(44)
    • M Stainless Steel (44)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(44)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(44)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(44)
    • K Cast Iron (44)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(44)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(44)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(44)
    • N Non-Ferrous Materials (44)
      • N1
        Wrought Aluminum (44)
      • N2
        Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(44)
      • N3
        High-Silicon Aluminum Alloys Si >12.2%(32)
      • N4
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      • N6
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        MMC's (32)
    • S High-Temp Alloys (44)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(44)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(44)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(44)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(44)
    • H Hardened Materials (44)
      • H1
        Hardened Materials 44-48 HRC(44)
      • H2
        Hardened Materials 48-55 HRC(44)
      • H3
        Hardened Materials 56-60 HRC(38)
      • H4
        Hardened Materials >60 HRC(38)
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    • CN (24)
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    • US (41)
    Applications
    Applications
    • ID GroovingID Grooving (44)
    • Multiple Direction CuttingMultiple Direction Cutting (44)
    • TRN BoringTRN Boring (44)
    Cutting Condition
    Cutting Condition
    • Heavily Interrupted Cut (44)
    • Lightly Interrupted Cut (44)
    • Smooth Cut (44)
    • Varying Depth of Cut (44)
    Tool Cutting Edge Angle
    Tool Cutting Edge Angle
    • 90.0 (42)
    • 92.25 (2)
    Tool Cutting Edge Angle MintoTool Cutting Edge Angle Max
    Cutting Edges Per Insert
    Cutting Edges Per Insert
    • 1.0 (38)
    • 2.0 (44)
    Cutting Edges Per Insert MintoCutting Edges Per Insert Max
    Over All Length [L]
    Over All Length [L]
    • 7.875 in(12)
    • 8.019 in(6)
    • 8.02 in(4)
    • 9.843 in(6)
    • 10.02 in(3)
    • 10.025 in(1)
    • 11.811 in(6)
    • 12.0 in(1)
    • 12.02 in(3)
    • 12.025 in(2)
    Over All Length [L] MintoOver All Length [L] Max
    Over All Length [L]
    Over All Length [L]
    • 200.0 mm(12)
    • 203.675 mm(6)
    • 203.701 mm(4)
    • 250.0 mm(6)
    • 254.5 mm(3)
    • 254.601 mm(1)
    • 300.0 mm(6)
    • 304.8 mm(1)
    • 305.3 mm(3)
    • 305.401 mm(2)
    Over All Length [L] MintoOver All Length [L] Max
    Corner configuration
    Corner Radius
    Corner Radius
    • 0.008 in(31)
    • 0.016 in(38)
    • 0.031 in(27)
    • 0.034 in(14)
    • 0.039 in(6)
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    • 0.098 in(7)
    • 0.099 in(7)
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    Corner Radius MintoCorner Radius Max
    Corner Radius
    Corner Radius
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    • 1.526 mm(11)
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    • 2.375 mm(14)
    • 2.5 mm(7)
    • 2.526 mm(7)
    • 3.0 mm(6)
    • 3.026 mm(6)
    • 3.176 mm(6)
    Corner Radius MintoCorner Radius Max
    Application
    Minimum Depth of Cut
    Minimum Depth of Cut
    Minimum Feed
    Minimum Feed
    Grade Of Cutting Tool
    Grade Of Cutting Tool
    • K1025 (20)
    • K313 (44)
    • KB1630 (38)
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    • KBH20 (38)
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    • KD1405 (32)
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    • KYS30 (13)
    • SP88F8 (6)
    Hand Of Tool
    Hand Of Tool
    • L (18)
    • R (26)
    F Dimension
    F Dimension
    • 12.8 mm(2)
    • 12.9 mm(2)
    • 13.0 mm(7)
    • 16.875 mm(5)
    • 17.0 mm(6)
    • 21.776 mm(1)
    • 21.8 mm(1)
    • 22.0 mm(4)
    • 25.776 mm(1)
    • 25.875 mm(1)
    • 26.0 mm(2)
    • 29.875 mm(3)
    • 30.0 mm(8)
    • 34.875 mm(1)
    F Dimension MintoF Dimension Max
    F Dimension
    F Dimension
    • 0.504 in(2)
    • 0.508 in(2)
    • 0.512 in(7)
    • 0.664 in(5)
    • 0.669 in(6)
    • 0.857 in(1)
    • 0.858 in(1)
    • 0.866 in(4)
    • 1.016 in(1)
    • 1.02 in(1)
    • 1.024 in(2)
    • 1.176 in(3)
    • 1.181 in(8)
    • 1.373 in(1)
    F Dimension MintoF Dimension Max
    Minimum Axial Groove Diameter
    Minimum Axial Groove Diameter
    • 25.0 mm(11)
    • 32.0 mm(11)
    • 40.0 mm(6)
    • 44.0 mm(4)
    • 52.0 mm(11)
    • 65.0 mm(1)
    Minimum Axial Groove Diameter MintoMinimum Axial Groove Diameter Max
    Minimum Axial Groove Diameter
    Minimum Axial Groove Diameter
    • 0.984 in(11)
    • 1.26 in(11)
    • 1.575 in(6)
    • 1.732 in(4)
    • 2.047 in(11)
    • 2.559 in(1)
    Minimum Axial Groove Diameter MintoMinimum Axial Groove Diameter Max
    Rake Angle Style
    Rake Angle Style
    • NEGATIVE-ZERO (14)
    • NEUTRAL (ZERO) (30)
    Maximum Bore Depth
    Maximum Bore Depth
    • 1.575 in(11)
    • 1.969 in(7)
    • 1.98 in(4)
    • 2.511 in(1)
    • 2.52 in(9)
    • 3.15 in(11)
    • 3.938 in(1)
    Maximum Bore Depth MintoMaximum Bore Depth Max
    Maximum Bore Depth
    Maximum Bore Depth
    • 40.0 mm(11)
    • 50.0 mm(7)
    • 50.301 mm(4)
    • 63.75 mm(1)
    • 64.0 mm(9)
    • 80.0 mm(11)
    • 100.0 mm(1)
    Maximum Bore Depth MintoMaximum Bore Depth Max
    Front-End
    Cutting Width
    Cutting Width
    • 0.079 in(6)
    • 0.084 in(6)
    • 0.119 in(11)
    • 0.12 in(11)
    • 0.122 in(11)
    • 0.123 in(11)
    • 0.125 in(11)
    • 0.13 in(11)
    • 0.157 in(14)
    • 0.161 in(14)
    • 0.162 in(14)
    • 0.187 in(14)
    • 0.193 in(14)
    • 0.197 in(7)
    • 0.199 in(7)
    • 0.201 in(7)
    • 0.202 in(7)
    • 0.237 in(6)
    • 0.239 in(6)
    • 0.241 in(6)
    • 0.25 in(6)
    • 0.256 in(6)
    Cutting Width MintoCutting Width Max
    Cutting Width
    Cutting Width
    • 2.0 mm(6)
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    • 3.0 mm(11)
    • 3.051 mm(11)
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    • 3.301 mm(11)
    • 4.0 mm(14)
    • 4.101 mm(14)
    • 4.125 mm(14)
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    • 4.9 mm(14)
    • 5.0 mm(7)
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    • 6.0 mm(6)
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    • 6.351 mm(6)
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    Cutting Width MintoCutting Width Max
    Insert Size
    Insert Size
    • 2 (6)
    • 3 (11)
    • 4 (14)
    • 5 (7)
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    Maximum Cutting Depth
    Maximum Cutting Depth
    • 0.276 in(11)
    • 0.394 in(11)
    • 0.473 in(6)
    • 0.63 in(16)
    Maximum Cutting Depth MintoMaximum Cutting Depth Max
    Maximum Cutting Depth
    Maximum Cutting Depth
    • 7.0 mm(11)
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    Maximum Cutting Depth MintoMaximum Cutting Depth Max
    Insert Geometry
    Cutting Tool Material
    Cutting Tool Material
    • B H (38)
    • B L (38)
    • C N (38)
    • D P (32)
    • H T (44)
    • H W (44)
    Back-End
    Back-End Diameter
    Back-End Diameter
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    • 50.801 mm(1)
    Back-End Diameter MintoBack-End Diameter Max
    Back-End Diameter
    Back-End Diameter
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    • 2.0 in(1)
    Back-End Diameter MintoBack-End Diameter Max
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    A-A4E • Metric

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    A-A4E • Inch

    (20)A-A4E • Inch
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