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Top Notch™ Grooving

Kennametal Top Notch line of metalworking tools ensures you always achieve consistent and precise results throughout the long lifespans of our tungsten-carbide tool holders, boring bars, heads, cartridges and inserts. Kennametal grooving inserts are appropriate for a variety of steel, cast iron, alloys and non-ferrous metals. Top Notch grooving inserts are available in single- and double-ended configurations, giving you the flexibility to choose the optimal insert for each application.

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    Key Filters
    Workpiece Material
    Workpiece Material
    • P Steel (482)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(482)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(482)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(482)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(482)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(482)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(482)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(482)
    • M Stainless Steel (480)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(480)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(480)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(480)
    • K Cast Iron (391)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(391)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(391)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(391)
    • N Non-Ferrous Materials (427)
      • N1
        Wrought Aluminum (427)
      • N2
        Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(384)
      • N3
        High-Silicon Aluminum Alloys Si >12.2%(78)
      • N4
        Copper, Brass, Zinc-based on machinability index range of 70-100 (427)
      • N5
        Nylon, Plastics, Rubbers, Phenolics, Resins, Fiberglass (384)
      • N6
        Carbon, Graphite Composites, CFRP (384)
    • S High-Temp Alloys (477)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(477)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(477)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(477)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(477)
    • H Hardened Materials (302)
      • H1
        Hardened Materials 44-48 HRC(302)
      • H2
        Hardened Materials 48-55 HRC(251)
      • H3
        Hardened Materials 56-60 HRC(119)
      • H4
        Hardened Materials >60 HRC(119)
    Applications
    Applications
    • Back BoringBack Boring (18)
    • BoringBoring (18)
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    • FacingFacing (18)
    • GroovingGrooving (458)
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    • ID GroovingID Grooving (304)
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    • 60 (187)
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    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
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    Cutting Edges Per Insert
    Cutting Edges Per Insert
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    • 2.0 (480)
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    Internal Coolant Capability
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    Over All Length [L]
    Over All Length [L]
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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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    Over All Length [L] MintoOver All Length [L] Max
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    Corner Radius
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    • 0.002 in(78)
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    • 0.089 in(114)
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    • 0.125 in(68)
    Corner Radius MintoCorner Radius Max
    Corner Radius
    Corner Radius
    • 0.05 mm(78)
    • 0.076 mm(187)
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    • 0.151 mm(114)
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    Corner Radius MintoCorner Radius Max
    Corner Chamfer
    Corner Chamfer
    • 0.0 mm(328)
    Corner Chamfer MintoCorner Chamfer Max
    Corner Chamfer
    Corner Chamfer
    • 0.0 in(328)
    Corner Chamfer MintoCorner Chamfer Max
    Application
    Minimum Depth of Cut
    Minimum Depth of Cut
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    Minimum Feed
    Grade Of Cutting Tool
    Grade Of Cutting Tool
    • K1 (5)
    • K2885 (146)
    • K313 (192)
    • K420 (202)
    • K4H (110)
    • K68 (225)
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    • KT175 (146)
    • KT315 (182)
    • KU10T (182)
    • KU25T (182)
    • KU30T (182)
    • KY3000 (114)
    Hand Of Tool
    Hand Of Tool
    • L (67)
    • R (92)
    Wiper Insert
    Wiper Insert
    • N (522)
    F Dimension
    F Dimension
    • 6.551 mm(2)
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    • 50.801 mm(4)
    F Dimension MintoF Dimension Max
    F Dimension
    F Dimension
    • 0.258 in(2)
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    F Dimension MintoF Dimension Max
    Minimum Axial Groove Diameter
    Minimum Axial Groove Diameter
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    • 333.0 mm(3)
    Minimum Axial Groove Diameter MintoMinimum Axial Groove Diameter Max
    Minimum Axial Groove Diameter
    Minimum Axial Groove Diameter
    • 0.0 in(88)
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    Minimum Axial Groove Diameter MintoMinimum Axial Groove Diameter Max
    Maximum Axial Groove Diameter
    Maximum Axial Groove Diameter
    • 393.661 in(519)
    Maximum Axial Groove Diameter MintoMaximum Axial Groove Diameter Max
    Maximum Axial Groove Diameter
    Maximum Axial Groove Diameter
    • 9999.0 mm(519)
    Maximum Axial Groove Diameter MintoMaximum Axial Groove Diameter Max
    Cutting Direction
    Cutting Direction
    • E (87)
    • S (72)
    Rake Angle Style
    Rake Angle Style
    • NEUTRAL (ZERO) (159)
    Maximum Bore Depth
    Maximum Bore Depth
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    • 10.0 in(7)
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    Maximum Bore Depth
    Maximum Bore Depth
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    • 254.0 mm(7)
    Maximum Bore Depth MintoMaximum Bore Depth Max
    Boring Bar Material
    Boring Bar Material
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    • S (60)
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    Clamp Style
    Clamp Style
    • N (197)
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    Cutting Width
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    Cutting Width
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