Indexable Slotting Mills

When it comes to slot milling, the rigidity of the cutter is a very important factor to consider when removing material from the workpiece. The right slotting tool will maintain accuracy and toughness while controlling inevitable chatter. Kennametal slotting cutters and inserts have the improved durability needed to take full advantage of the long lifespan of every machining tool we manufacture. Our slot mill offering gives you access to a wide selection of insert geometries and grades for slotting or grooving most workpiece materials at a wide range of speeds and feeds. Ultimately, Kennametal slotting mills provide you with the maximum material removal rate you want without sacrificing quality or accuracy.

No matter how challenging your slot milling operation is, you’ll be able to boost productivity with our KNS, KVNS, KSSM, KTMS, KTMS slot cutters and inserts.

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    Key Filters
    Workpiece Material
    Workpiece Material
    • P Steel (371)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(364)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(364)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(364)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(364)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(362)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(369)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(369)
    • M Stainless Steel (356)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(356)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(356)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(356)
    • K Cast Iron (323)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(323)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(323)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(323)
    • N Non-Ferrous Materials (195)
      • N1
        Wrought Aluminum (195)
      • N2
        Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(195)
      • N3
        High-Silicon Aluminum Alloys Si >12.2%(195)
    • S High-Temp Alloys (353)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(308)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(308)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(308)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(353)
    • H Hardened Materials (62)
      • H1
        Hardened Materials 44-48 HRC(57)
      • H2
        Hardened Materials 48-55 HRC(5)
      • H3
        Hardened Materials 56-60 HRC(5)
      • H4
        Hardened Materials >60 HRC(5)
    Applications
    Applications
    • Face MillingFace Milling (2)
    • Shoulder Bottom ShoulderShoulder Bottom Shoulder (19)
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    • Slot MillingSlot Milling (193)
    • Slot SideSlot Side (193)
    • Slot Square EndSlot Square End (74)
    • Slot TSlot T (5)
    Cutting Diameter
    Cutting Diameter
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    Cutting Diameter MintoCutting Diameter Max
    Maximum Cutting Diameter
    Maximum Cutting Diameter
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    Maximum Cutting Diameter
    Maximum Cutting Diameter
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    Maximum Cutting Diameter MintoMaximum Cutting Diameter Max
    Cutting Length
    Cutting Length
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    Cutting Length
    Cutting Length
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    Cutting Length MintoCutting Length Max
    Reach
    Reach
    • 1.143 in(1)
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    Reach MintoReach Max
    Reach
    Reach
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    Reach MintoReach Max
    Tool Cutting Edge Angle
    Tool Cutting Edge Angle
    • 90.0 (218)
    Tool Cutting Edge Angle MintoTool Cutting Edge Angle Max
    Connection Style
    Connection Style
    • 2 Key & Cutter Retention Screw (43)
    • 2 Key & Socket Head Cap Screw (59)
    • A-Socket Head Cap Screw (37)
    • B-Cutter Retention Screw (5)
    • C-Bolt Circle (5)
    • Weldon (5)
    Number of Flutes
    Number of Flutes
    • 1 (1)
    • 10 (6)
    • 11 (18)
    • 12 (7)
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    • 15 (4)
    • 16 (2)
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    • 3 (6)
    • 4 (17)
    • 5 (29)
    • 6 (15)
    • 7 (24)
    • 8 (27)
    • 9 (24)
    Cutting Edges Per Insert
    Cutting Edges Per Insert
    • 1.0 (151)
    • 2.0 (139)
    • 4.0 (253)
    Cutting Edges Per Insert MintoCutting Edges Per Insert Max
    Internal Coolant Capability
    Internal Coolant Capability
    Over All Length [L]
    Over All Length [L]
    • 0.742 in(3)
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    • 4.291 in(1)
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    • 5.118 in(1)
    • 5.513 in(1)
    Over All Length [L] MintoOver All Length [L] Max
    Over All Length [L]
    Over All Length [L]
    • 18.85 mm(3)
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    Over All Length [L] MintoOver All Length [L] Max
    Corner configuration
    Corner Radius
    Corner Radius
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    Corner Radius
    Corner Radius
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    Corner Radius MintoCorner Radius Max
    Corner Chamfer
    Corner Chamfer
    • 0.0 mm(438)
    Corner Chamfer MintoCorner Chamfer Max
    Corner Chamfer
    Corner Chamfer
    • 0.0 in(438)
    Corner Chamfer MintoCorner Chamfer Max
    Application
    Grade Of Cutting Tool
    Grade Of Cutting Tool
    • K110M (5)
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    Hand Of Tool
    Hand Of Tool
    • L (12)
    • N (160)
    • R (42)
    Wiper Insert
    Wiper Insert
    • N (224)
    Front-End
    Clamp Style
    Clamp Style
    • S (4)
    Cutting Width
    Cutting Width
    • 0.063 in(16)
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    • 0.089 in(1)
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    • 0.239 in(1)
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    Cutting Width MintoCutting Width Max
    Cutting Width
    Cutting Width
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    Cutting Width MintoCutting Width Max
    Insert Shape
    Insert Shape
    • L-RECTANGLE ON EDGE 90 (104)
    • PRISMATIC (182)
    • S-SQUARE 90 (156)
    Cartridge Size
    Cartridge Size
    • 18N - KSSM Slotting (2)
    • 20W - KSSM Slotting (2)
    Maximum Cutting Depth
    Maximum Cutting Depth
    • 0.208 in(1)
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    • 1.268 in(5)
    • 1.331 in(1)
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    Maximum Cutting Insert Depth
    Maximum Cutting Insert Depth
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    Maximum Cutting Insert Depth
    Maximum Cutting Insert Depth
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    Maximum Cutting Insert Depth MintoMaximum Cutting Insert Depth Max
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    Cutting Edge Length MintoCutting Edge Length Max
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