Welcome
Please confirm your preferences
Update Preferences

Product Suggestions

Product Family suggestions

Contact a Kennametal Expert

Customer Support

Find customer support centers around the globe.

Quick Order
Item(s) successfully added to cart
View Cart
Turn up your volume for less with our limited-time offers! Shop Now

Top Notch™ Boring Bars

Select Filters
Filters
Filters
    View filters in
    Metric
    Inch
    Key Filters
    Workpiece Material
    Workpiece Material
    • P Steel (63)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(63)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(63)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(63)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(63)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(63)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(63)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(63)
    • M Stainless Steel (63)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(63)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(63)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(63)
    • K Cast Iron (63)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(63)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(63)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(63)
    • N Non-Ferrous Materials (63)
      • N1
        Wrought Aluminum (63)
      • N2
        Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(62)
      • N3
        High-Silicon Aluminum Alloys Si >12.2%(25)
      • N4
        Copper, Brass, Zinc-based on machinability index range of 70-100 (63)
      • N5
        Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (62)
      • N6
        Carbon, Graphite Composites, CFRP (62)
    • S High-Temp Alloys (63)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(63)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(63)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(63)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(63)
    • H Hardened Materials (61)
      • H1
        Hardened Materials 44-48 HRC(61)
      • H2
        Hardened Materials 48-55 HRC(61)
      • H3
        Hardened Materials 56-60 HRC(38)
      • H4
        Hardened Materials >60 HRC(38)
    Applications
    Applications
    • Face GroovingFace Grooving (62)
    • GroovingGrooving (3)
    • ID FacingID Facing (7)
    • ID GroovingID Grooving (56)
    • ID Thread TurningID Thread Turning (63)
    • ThreadingThreading (1)
    Type of Thread
    Type of Thread
    • 60 (61)
    • ACME (35)
    • API (33)
    • API RD (27)
    • BSW (25)
    • BUTTRESS (56)
    • M (36)
    • NPT (25)
    • STUB ACME (25)
    • UN (56)
    • UNJ (25)
    Cutting Condition
    Cutting Condition
    • Heavily Interrupted Cut (62)
    • Lightly Interrupted Cut (62)
    • Smooth Cut (62)
    • Varying Depth of Cut (62)
    Cutting Edges Per Insert
    Cutting Edges Per Insert
    • 1.0 (61)
    • 2.0 (58)
    Cutting Edges Per Insert MintoCutting Edges Per Insert Max
    Internal Coolant Capability
    Internal Coolant Capability
    Over All Length [L]
    Over All Length [L]
    • 4.921 in(1)
    • 5.906 in(5)
    • 6.0 in(1)
    • 7.079 in(2)
    • 7.875 in(4)
    • 7.976 in(1)
    • 8.0 in(5)
    • 9.843 in(2)
    • 9.879 in(1)
    • 10.0 in(8)
    • 11.811 in(4)
    • 12.0 in(8)
    • 13.781 in(1)
    • 14.0 in(10)
    • 16.0 in(10)
    Over All Length [L] MintoOver All Length [L] Max
    Over All Length [L]
    Over All Length [L]
    • 125.0 mm(1)
    • 150.0 mm(5)
    • 152.4 mm(1)
    • 179.8 mm(2)
    • 200.0 mm(4)
    • 202.601 mm(1)
    • 203.201 mm(5)
    • 250.0 mm(2)
    • 250.925 mm(1)
    • 254.0 mm(8)
    • 300.0 mm(4)
    • 304.8 mm(8)
    • 350.0 mm(1)
    • 355.6 mm(10)
    • 406.401 mm(10)
    Over All Length [L] MintoOver All Length [L] Max
    Corner configuration
    Corner Radius
    Corner Radius
    • 0.002 in(25)
    • 0.003 in(61)
    • 0.004 in(48)
    • 0.005 in(25)
    • 0.006 in(33)
    • 0.007 in(44)
    • 0.008 in(61)
    • 0.01 in(44)
    • 0.011 in(25)
    • 0.012 in(25)
    • 0.014 in(33)
    • 0.016 in(27)
    • 0.019 in(33)
    • 0.02 in(48)
    • 0.023 in(33)
    • 0.03 in(23)
    • 0.031 in(48)
    • 0.033 in(2)
    • 0.035 in(33)
    • 0.039 in(48)
    • 0.047 in(48)
    • 0.049 in(48)
    • 0.06 in(48)
    • 0.062 in(25)
    • 0.063 in(56)
    • 0.069 in(48)
    • 0.078 in(25)
    • 0.079 in(33)
    • 0.089 in(33)
    • 0.095 in(33)
    • 0.098 in(8)
    • 0.125 in(8)
    Corner Radius MintoCorner Radius Max
    Corner Radius
    Corner Radius
    • 0.05 mm(25)
    • 0.076 mm(61)
    • 0.1 mm(48)
    • 0.125 mm(25)
    • 0.151 mm(33)
    • 0.176 mm(44)
    • 0.2 mm(61)
    • 0.225 mm(25)
    • 0.25 mm(44)
    • 0.275 mm(25)
    • 0.301 mm(25)
    • 0.325 mm(33)
    • 0.351 mm(33)
    • 0.4 mm(27)
    • 0.45 mm(33)
    • 0.476 mm(12)
    • 0.5 mm(48)
    • 0.576 mm(33)
    • 0.75 mm(23)
    • 0.775 mm(48)
    • 0.826 mm(2)
    • 0.9 mm(33)
    • 1.0 mm(48)
    • 1.201 mm(48)
    • 1.25 mm(48)
    • 1.5 mm(48)
    • 1.576 mm(25)
    • 1.6 mm(56)
    • 1.75 mm(48)
    • 1.975 mm(25)
    • 2.0 mm(33)
    • 2.25 mm(33)
    • 2.401 mm(33)
    • 2.5 mm(8)
    • 3.176 mm(8)
    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
    • K1 (5)
    • K2885 (48)
    • K313 (56)
    • K420 (63)
    • K4H (37)
    • K68 (63)
    • KB1345 (33)
    • KB1630 (33)
    • KB5625 (25)
    • KBH20 (12)
    • KC250 (53)
    • KC5010 (63)
    • KC5025 (63)
    • KC5410 (56)
    • KC710 (56)
    • KC720 (61)
    • KC722 (56)
    • KC730 (63)
    • KC732 (25)
    • KC810 (63)
    • KC850 (58)
    • KC910 (37)
    • KC9110 (56)
    • KC9120 (25)
    • KC9320 (56)
    • KC935 (56)
    • KC950 (56)
    • KCK20 (45)
    • KCK20B (56)
    • KCP10B (56)
    • KCP25B (56)
    • KCP25C (56)
    • KCU10 (63)
    • KCU10B (63)
    • KCU25 (63)
    • KCU25B (63)
    • KD050 (12)
    • KD081 (25)
    • KD100 (30)
    • KD120 (33)
    • KD1425 (25)
    • KT175 (48)
    • KT315 (56)
    • KU10T (56)
    • KU25T (56)
    • KU30T (56)
    • KY3000 (33)
    Hand Of Tool
    Hand Of Tool
    • L (26)
    • R (37)
    F Dimension
    F Dimension
    • 6.551 mm(2)
    • 7.0 mm(2)
    • 10.3 mm(1)
    • 10.775 mm(1)
    • 10.976 mm(2)
    • 11.0 mm(4)
    • 11.101 mm(2)
    • 12.576 mm(2)
    • 12.701 mm(2)
    • 13.0 mm(2)
    • 14.15 mm(2)
    • 14.275 mm(2)
    • 16.25 mm(2)
    • 17.0 mm(4)
    • 17.35 mm(2)
    • 17.475 mm(4)
    • 19.425 mm(1)
    • 22.0 mm(2)
    • 22.225 mm(2)
    • 22.6 mm(2)
    • 25.401 mm(2)
    • 27.0 mm(4)
    • 28.576 mm(1)
    • 31.75 mm(4)
    • 32.525 mm(2)
    • 34.926 mm(4)
    • 35.0 mm(1)
    • 38.1 mm(1)
    • 41.276 mm(1)
    F Dimension MintoF Dimension Max
    F Dimension
    F Dimension
    • 0.258 in(2)
    • 0.276 in(2)
    • 0.406 in(1)
    • 0.424 in(1)
    • 0.432 in(2)
    • 0.433 in(4)
    • 0.437 in(2)
    • 0.495 in(2)
    • 0.5 in(2)
    • 0.512 in(2)
    • 0.557 in(2)
    • 0.562 in(2)
    • 0.64 in(2)
    • 0.669 in(4)
    • 0.683 in(2)
    • 0.689 in(4)
    • 0.765 in(1)
    • 0.866 in(2)
    • 0.875 in(2)
    • 0.89 in(2)
    • 1.0 in(2)
    • 1.063 in(4)
    • 1.125 in(1)
    • 1.25 in(4)
    • 1.281 in(2)
    • 1.375 in(4)
    • 1.379 in(1)
    • 1.5 in(1)
    • 1.625 in(1)
    F Dimension MintoF Dimension Max
    Minimum Axial Groove Diameter
    Minimum Axial Groove Diameter
    • 11.175 mm(2)
    • 11.5 mm(2)
    • 18.5 mm(2)
    • 18.55 mm(4)
    • 20.326 mm(1)
    • 22.0 mm(3)
    • 25.401 mm(4)
    • 26.0 mm(2)
    • 28.576 mm(4)
    • 34.0 mm(4)
    • 34.926 mm(6)
    • 44.0 mm(2)
    • 44.45 mm(2)
    • 50.801 mm(2)
    • 54.0 mm(4)
    • 57.151 mm(6)
    • 60.325 mm(2)
    • 63.5 mm(4)
    • 69.851 mm(4)
    • 70.0 mm(1)
    • 76.2 mm(1)
    • 82.551 mm(1)
    Minimum Axial Groove Diameter MintoMinimum Axial Groove Diameter Max
    Minimum Axial Groove Diameter
    Minimum Axial Groove Diameter
    • 0.44 in(2)
    • 0.453 in(2)
    • 0.728 in(2)
    • 0.73 in(4)
    • 0.8 in(1)
    • 0.866 in(3)
    • 1.0 in(4)
    • 1.024 in(2)
    • 1.125 in(4)
    • 1.339 in(4)
    • 1.375 in(6)
    • 1.732 in(2)
    • 1.75 in(2)
    • 2.0 in(2)
    • 2.126 in(4)
    • 2.25 in(6)
    • 2.375 in(2)
    • 2.5 in(4)
    • 2.75 in(4)
    • 2.757 in(1)
    • 3.0 in(1)
    • 3.25 in(1)
    Minimum Axial Groove Diameter MintoMinimum Axial Groove Diameter Max
    Maximum Axial Groove Diameter
    Maximum Axial Groove Diameter
    • 393.661 in(62)
    Maximum Axial Groove Diameter MintoMaximum Axial Groove Diameter Max
    Maximum Axial Groove Diameter
    Maximum Axial Groove Diameter
    • 9999.0 mm(62)
    Maximum Axial Groove Diameter MintoMaximum Axial Groove Diameter Max
    Cutting Direction
    Cutting Direction
    • E (7)
    • S (56)
    Maximum Bore Depth
    Maximum Bore Depth
    • 1.23 in(1)
    • 1.232 in(1)
    • 1.291 in(1)
    • 1.5 in(1)
    • 1.891 in(2)
    • 2.0 in(2)
    • 2.499 in(1)
    • 2.5 in(2)
    • 2.52 in(2)
    • 3.0 in(4)
    • 3.15 in(2)
    • 3.75 in(2)
    • 3.781 in(1)
    • 3.938 in(4)
    • 4.0 in(6)
    • 4.5 in(2)
    • 5.0 in(3)
    • 5.039 in(2)
    • 6.0 in(6)
    • 6.299 in(4)
    • 7.0 in(3)
    • 7.875 in(1)
    • 8.0 in(8)
    • 10.0 in(2)
    Maximum Bore Depth MintoMaximum Bore Depth Max
    Maximum Bore Depth
    Maximum Bore Depth
    • 31.25 mm(1)
    • 31.3 mm(1)
    • 32.801 mm(1)
    • 38.1 mm(1)
    • 48.0 mm(2)
    • 50.801 mm(2)
    • 63.475 mm(1)
    • 63.5 mm(2)
    • 64.0 mm(2)
    • 76.2 mm(4)
    • 80.0 mm(2)
    • 95.25 mm(2)
    • 96.0 mm(1)
    • 100.0 mm(4)
    • 101.601 mm(6)
    • 114.301 mm(2)
    • 127.0 mm(3)
    • 128.0 mm(2)
    • 152.4 mm(6)
    • 160.0 mm(4)
    • 177.8 mm(3)
    • 200.0 mm(1)
    • 203.201 mm(8)
    • 254.0 mm(2)
    Maximum Bore Depth MintoMaximum Bore Depth Max
    Boring Bar Material
    Boring Bar Material
    • C (9)
    • S (54)
    Front-End
    Clamp Style
    Clamp Style
    • N (62)
    Cutting Width
    Cutting Width
    • 0.02 in(23)
    • 0.031 in(28)
    • 0.035 in(23)
    • 0.039 in(48)
    • 0.041 in(23)
    • 0.047 in(53)
    • 0.055 in(23)
    • 0.058 in(23)
    • 0.06 in(48)
    • 0.062 in(53)
    • 0.067 in(23)
    • 0.069 in(48)
    • 0.073 in(25)
    • 0.077 in(23)
    • 0.078 in(25)
    • 0.079 in(48)
    • 0.088 in(48)
    • 0.089 in(36)
    • 0.094 in(12)
    • 0.095 in(53)
    • 0.097 in(25)
    • 0.098 in(48)
    • 0.105 in(25)
    • 0.108 in(48)
    • 0.11 in(25)
    • 0.119 in(56)
    • 0.122 in(25)
    • 0.125 in(56)
    • 0.126 in(56)
    • 0.128 in(48)
    • 0.129 in(23)
    • 0.131 in(12)
    • 0.138 in(56)
    • 0.143 in(25)
    • 0.147 in(11)
    • 0.15 in(12)
    • 0.151 in(11)
    • 0.152 in(23)
    • 0.156 in(25)
    • 0.157 in(33)
    • 0.167 in(33)
    • 0.169 in(25)
    • 0.177 in(33)
    • 0.178 in(25)
    • 0.185 in(28)
    • 0.188 in(33)
    • 0.189 in(33)
    • 0.192 in(12)
    • 0.193 in(12)
    • 0.195 in(25)
    • 0.196 in(25)
    • 0.197 in(8)
    • 0.202 in(8)
    • 0.213 in(8)
    • 0.217 in(8)
    • 0.218 in(2)
    • 0.219 in(8)
    • 0.237 in(8)
    • 0.25 in(10)
    • 0.256 in(8)
    • 0.281 in(2)
    • 0.312 in(2)
    • 0.375 in(2)
    • 0.384 in(2)
    Cutting Width MintoCutting Width Max
    Cutting Width
    Cutting Width
    • 0.5 mm(23)
    • 0.775 mm(28)
    • 0.8 mm(23)
    • 0.9 mm(23)
    • 1.0 mm(48)
    • 1.05 mm(23)
    • 1.201 mm(53)
    • 1.401 mm(23)
    • 1.475 mm(23)
    • 1.5 mm(48)
    • 1.576 mm(53)
    • 1.701 mm(23)
    • 1.75 mm(48)
    • 1.826 mm(25)
    • 1.951 mm(23)
    • 1.975 mm(25)
    • 2.0 mm(48)
    • 2.2 mm(48)
    • 2.225 mm(48)
    • 2.25 mm(36)
    • 2.375 mm(12)
    • 2.401 mm(53)
    • 2.475 mm(25)
    • 2.5 mm(48)
    • 2.676 mm(25)
    • 2.75 mm(48)
    • 2.801 mm(25)
    • 3.0 mm(56)
    • 3.1 mm(25)
    • 3.176 mm(56)
    • 3.2 mm(56)
    • 3.25 mm(48)
    • 3.276 mm(23)
    • 3.325 mm(12)
    • 3.5 mm(56)
    • 3.6 mm(25)
    • 3.725 mm(11)
    • 3.801 mm(12)
    • 3.825 mm(11)
    • 3.85 mm(23)
    • 3.95 mm(25)
    • 3.975 mm(12)
    • 4.0 mm(33)
    • 4.25 mm(33)
    • 4.3 mm(25)
    • 4.5 mm(33)
    • 4.525 mm(25)
    • 4.7 mm(28)
    • 4.775 mm(33)
    • 4.801 mm(33)
    • 4.875 mm(12)
    • 4.9 mm(12)
    • 4.95 mm(25)
    • 4.976 mm(25)
    • 5.0 mm(8)
    • 5.125 mm(8)
    • 5.4 mm(8)
    • 5.5 mm(8)
    • 5.525 mm(2)
    • 5.575 mm(8)
    • 6.0 mm(8)
    • 6.351 mm(10)
    • 6.5 mm(8)
    • 7.125 mm(2)
    • 7.926 mm(2)
    • 9.525 mm(2)
    • 9.75 mm(2)
    Cutting Width MintoCutting Width Max
    Insert Size
    Insert Size
    • 1 (5)
    • 2 (23)
    • 3 (25)
    • 4 (8)
    • 6 (2)
    Maximum Cutting Depth
    Maximum Cutting Depth
    • 0.04 in(1)
    • 0.063 in(2)
    • 0.067 in(1)
    • 0.075 in(1)
    Maximum Cutting Depth MintoMaximum Cutting Depth Max
    Maximum Cutting Depth
    Maximum Cutting Depth
    • 1.026 mm(1)
    • 1.6 mm(2)
    • 1.701 mm(1)
    • 1.901 mm(1)
    Maximum Cutting Depth MintoMaximum Cutting Depth Max
    Insert Geometry
    Cutting Tool Material
    Cutting Tool Material
    • B H (33)
    • B L (25)
    • C N (33)
    • D P (30)
    • H T (56)
    • H W (63)
    Back-End
    Back-End Diameter
    Back-End Diameter
    • 9.525 mm(1)
    • 10.0 mm(1)
    • 12.0 mm(3)
    • 12.701 mm(5)
    • 15.875 mm(5)
    • 16.0 mm(3)
    • 19.05 mm(4)
    • 20.0 mm(2)
    • 25.0 mm(4)
    • 25.401 mm(8)
    • 31.75 mm(3)
    • 32.0 mm(2)
    • 38.1 mm(4)
    • 40.0 mm(4)
    • 44.45 mm(3)
    • 50.0 mm(1)
    • 50.801 mm(8)
    • 63.5 mm(2)
    Back-End Diameter MintoBack-End Diameter Max
    Back-End Diameter
    Back-End Diameter
    • 0.375 in(1)
    • 0.394 in(1)
    • 0.473 in(3)
    • 0.5 in(5)
    • 0.625 in(5)
    • 0.63 in(3)
    • 0.75 in(4)
    • 0.787 in(2)
    • 0.984 in(4)
    • 1.0 in(8)
    • 1.25 in(3)
    • 1.26 in(2)
    • 1.5 in(4)
    • 1.575 in(4)
    • 1.75 in(3)
    • 1.969 in(1)
    • 2.0 in(8)
    • 2.5 in(2)
    Back-End Diameter MintoBack-End Diameter Max
    Shank Height
    Shank Height
    • 0.606 in(1)
    • 0.939 in(1)
    • 1.214 in(2)
    • 1.53 in(4)
    • 1.848 in(1)
    Shank Height MintoShank Height Max
    Shank Height
    Shank Height
    • 15.4 mm(1)
    • 23.826 mm(1)
    • 30.826 mm(2)
    • 38.825 mm(4)
    • 46.95 mm(1)
    Shank Height MintoShank Height Max
    Shank Width
    Shank Width
    • 0.864 in(1)
    • 1.141 in(2)
    • 1.455 in(4)
    • 1.848 in(1)
    Shank Width MintoShank Width Max
    Shank Width
    Shank Width
    • 21.951 mm(1)
    • 28.951 mm(2)
    • 36.95 mm(4)
    • 46.95 mm(1)
    Shank Width MintoShank Width Max
    No filters matching ""
    E-NE
    (8)

    E-NE

    A-NE
    (25)

    A-NE

    A-NNT
    (17)

    A-NNT

    A-NE -1
    (3)

    A-NE -1

    A-NS • Inch
    (7)

    A-NS • Inch

    A-NNT -1
    (2)

    A-NNT -1

    E-NNT
    (1)

    E-NNT

    You are about to add to your My Solutions page. Do you want to proceed?
    Select the destination where you want to move to.
    New Folder
      • Applied Filters:
      • Clear All

    A folder with the name already exists.

    Please enter a valid name
    product-image
    Please adjust the following properties from

    ISO Catalog Number

    ANSI Catalog Number

    to find similar products.

    The following files are available

    Please select a file to download

    Models

    I have read and accepted the Terms & Conditions of use

    Can’t find the file type you’re looking for?

    You should be logged to see your dashboard information
    Session expired due to inactivity, please login again
    The product/s () you were trying to add to the cart is/are not available, please contact customer service
    item(s) successfully added to the cart
    View Cart

    . Please enter the desired qty for the material(s) you want to include in your promotion or Proceed Without Promotion and only your base materials will be added to the cart.

    Minimum quantity should be

    SAP Material Number ISO Catalog Number Grade  

    You are about to leave the Solution building process.

    Are you sure you want to leave?

    Workpiece Selection

    Standard

    ALL

    Material

    Select a Value

    Hardness

    --

        Hardness Scale

        --

          Permitted Groups :

          Group

          SubGroup

          Hardness (HB)

          Hardness (HRC)

          CancelOk