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Top Notch™ Grooving

If your applications require you to work with many different workpiece materials and feed rates, you must take steps to control vibrations and chipping. After all, too much chatter leaves you with inconsistent and rough results. To help you improve machining processes, Kennametal has developed Top Notch grooving tools and tool holders. Kennametal Top Notch tools include boring bars, CBN inserts, heads, and cartridges.

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    Key Filters
    Workpiece Material
    Workpiece Material
    • P Steel (1688)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(1688)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(1688)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(1688)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(1688)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(1688)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(1688)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(1688)
    • M Stainless Steel (1489)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(1489)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(1489)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(1489)
    • K Cast Iron (1319)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(1319)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(1308)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(1308)
    • N Non-Ferrous Materials (1276)
      • N1
        Wrought Aluminum (1268)
      • N2
        Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(1108)
      • N3
        High-Silicon Aluminum Alloys Si >12.2%(86)
      • N4
        Copper, Brass, Zinc-based on machinability index range of 70-100 (1276)
      • N5
        Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (1116)
      • N6
        Carbon, Graphite Composites, CFRP (1108)
    • S High-Temp Alloys (1497)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(1497)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(1497)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(1497)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(1486)
    • H Hardened Materials (650)
      • H1
        Hardened Materials 44-48 HRC(650)
      • H2
        Hardened Materials 48-55 HRC(476)
      • H3
        Hardened Materials 56-60 HRC(132)
      • H4
        Hardened Materials >60 HRC(132)
    Applications
    Applications
    • Back BoringBack Boring (81)
    • BoringBoring (1168)
    • Face GroovingFace Grooving (1889)
    • FacingFacing (81)
    • GroovingGrooving (1825)
    • ID FacingID Facing (88)
    • ID GroovingID Grooving (1651)
    • ID Thread TurningID Thread Turning (69)
    • OD Thread TurningOD Thread Turning (127)
    • Plunge TurningPlunge Turning (1508)
    • ProfilingProfiling (165)
    • ThreadingThreading (130)
    • TurningTurning (1193)
    Type of Thread
    Type of Thread
    • 60 (187)
    • ACME (122)
    • API (114)
    • API RD (86)
    • BSW (78)
    • BUTTRESS (182)
    • M (114)
    • NPT (78)
    • STUB ACME (78)
    • UN (182)
    • UNJ (78)
    Cutting Condition
    Cutting Condition
    • Heavily Interrupted Cut (1239)
    • Lightly Interrupted Cut (1331)
    • Smooth Cut (1478)
    • Varying Depth of Cut (1539)
    Tool Cutting Edge Angle
    Tool Cutting Edge Angle
    • 45.0 (12)
    • 90.0 (186)
    Tool Cutting Edge Angle MintoTool Cutting Edge Angle Max
    Connection Style
    Connection Style
    • Bolt-On Head (6)
    • Boring Bar Shank (63)
    • Toolholder (90)
    Cutting Edges Per Insert
    Cutting Edges Per Insert
    • 1.0 (419)
    • 2.0 (1671)
    Cutting Edges Per Insert MintoCutting Edges Per Insert Max
    Internal Coolant Capability
    Internal Coolant Capability
    Over All Length [L]
    Over All Length [L]
    • 1.625 in(6)
    • 2.165 in(1)
    • 2.192 in(1)
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    Over All Length [L] MintoOver All Length [L] Max
    Over All Length [L]
    Over All Length [L]
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    • 406.401 mm(10)
    Over All Length [L] MintoOver All Length [L] Max
    Corner configuration
    Corner Radius
    Corner Radius
    • 0.002 in(78)
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    • 0.008 in(1003)
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    • 0.02 in(157)
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    • 0.035 in(114)
    • 0.039 in(153)
    • 0.047 in(193)
    • 0.049 in(147)
    • 0.06 in(152)
    • 0.062 in(94)
    • 0.063 in(258)
    • 0.069 in(147)
    • 0.078 in(93)
    • 0.079 in(116)
    • 0.089 in(114)
    • 0.095 in(163)
    • 0.098 in(37)
    • 0.125 in(68)
    Corner Radius MintoCorner Radius Max
    Corner Radius
    Corner Radius
    • 0.05 mm(78)
    • 0.076 mm(192)
    • 0.1 mm(306)
    • 0.125 mm(78)
    • 0.151 mm(114)
    • 0.176 mm(191)
    • 0.2 mm(1003)
    • 0.225 mm(78)
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    Corner Radius MintoCorner Radius Max
    Corner Chamfer
    Corner Chamfer
    • 0.0 mm(1716)
    Corner Chamfer MintoCorner Chamfer Max
    Corner Chamfer
    Corner Chamfer
    • 0.0 in(1716)
    Corner Chamfer MintoCorner Chamfer 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 (146)
    • K313 (231)
    • K420 (216)
    • K4H (110)
    • K68 (303)
    • KB1345 (114)
    • KB1630 (125)
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    • KC9320 (182)
    • KC935 (182)
    • KC950 (182)
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    • KCU10 (390)
    • KCU10B (276)
    • KCU25 (464)
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    • KD050 (40)
    • KD081 (78)
    • KD100 (97)
    • KD120 (114)
    • KD1425 (86)
    • KT175 (146)
    • KT315 (193)
    • KU10T (182)
    • KU25T (182)
    • KU30T (182)
    • KY3000 (114)
    Hand Of Tool
    Hand Of Tool
    • L (67)
    • R (92)
    Wiper Insert
    Wiper Insert
    • N (1910)
    F Dimension
    F Dimension
    • 6.551 mm(2)
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    • 35.0 mm(1)
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    • 41.276 mm(4)
    • 50.801 mm(4)
    F Dimension MintoF Dimension Max
    F Dimension
    F Dimension
    • 0.258 in(2)
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    • 0.375 in(2)
    • 0.394 in(1)
    • 0.406 in(1)
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    • 1.5 in(16)
    • 1.575 in(4)
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    • 2.0 in(4)
    F Dimension MintoF Dimension Max
    Minimum Axial Groove Diameter
    Minimum Axial Groove Diameter
    • 0.0 mm(151)
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    • 82.551 mm(4)
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    • 127.0 mm(1)
    • 139.701 mm(768)
    • 146.05 mm(3)
    • 174.601 mm(127)
    • 209.601 mm(251)
    • 222.3 mm(60)
    • 333.0 mm(4)
    Minimum Axial Groove Diameter MintoMinimum Axial Groove Diameter Max
    Minimum Axial Groove Diameter
    Minimum Axial Groove Diameter
    • 0.0 in(151)
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    • 13.11 in(4)
    Minimum Axial Groove Diameter MintoMinimum Axial Groove Diameter Max
    Maximum Axial Groove Diameter
    Maximum Axial Groove Diameter
    • 393.661 in(1905)
    Maximum Axial Groove Diameter MintoMaximum Axial Groove Diameter Max
    Maximum Axial Groove Diameter
    Maximum Axial Groove Diameter
    • 9999.0 mm(1905)
    Maximum Axial Groove Diameter MintoMaximum Axial Groove Diameter Max
    Countersunk Angle
    Countersunk Angle
    • 20.0 (3)
    • 45.0 (7)
    Countersunk Angle MintoCountersunk Angle Max
    Cutting Direction
    Cutting Direction
    • E (87)
    • S (72)
    Rake Angle Style
    Rake Angle Style
    • NEUTRAL (ZERO) (159)
    Maximum Bore Depth
    Maximum Bore Depth
    • 1.0 in(10)
    • 1.23 in(1)
    • 1.232 in(1)
    • 1.291 in(1)
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    • 2.499 in(1)
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    • 5.039 in(2)
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    • 6.299 in(4)
    • 7.0 in(3)
    • 7.875 in(1)
    • 8.0 in(8)
    • 9.0 in(1)
    • 10.0 in(7)
    Maximum Bore Depth MintoMaximum Bore Depth Max
    Maximum Bore Depth
    Maximum Bore Depth
    • 25.401 mm(10)
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    • 177.8 mm(3)
    • 200.0 mm(1)
    • 203.201 mm(8)
    • 228.601 mm(1)
    • 254.0 mm(7)
    Maximum Bore Depth MintoMaximum Bore Depth Max
    Boring Bar Material
    Boring Bar Material
    • C (9)
    • S (60)
    Front-End
    Clamp Style
    Clamp Style
    • N (197)
    Cutting Width
    Cutting Width
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    Cutting Width
    Cutting Width
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