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.
Filters
Filters
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Workpiece Material
Workpiece Material
- P Steel (371)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(364)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(364)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(364)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(364)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(362)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(369)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(369)
- M Stainless Steel (356)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(356)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(356)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(356)
- K Cast Iron (323)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(323)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(323)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(323)
- N Non-Ferrous Materials (195)
- N1Wrought Aluminum (195)
- N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(195)
- N3High-Silicon Aluminum Alloys Si >12.2%(195)
- S High-Temp Alloys (353)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(308)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(308)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(308)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(353)
- H Hardened Materials (62)
- H1Hardened Materials 44-48 HRC(57)
- H2Hardened Materials 48-55 HRC(5)
- H3Hardened Materials 56-60 HRC(5)
- H4Hardened Materials >60 HRC(5)
Applications
Applications
Face Milling (2)
Shoulder Bottom Shoulder (19)
Shoulder Milling (21)
Slot Milling (193)
Slot Side (193)
Slot Square End (74)
Slot T (5)
Cutting Diameter
Cutting Diameter
- 0.828 in(1)
- 0.984 in(1)
- 1.26 in(1)
- 1.575 in(1)
- 1.969 in(1)
- 2.48 in(4)
- 2.5 in(5)
- 3.0 in(9)
- 3.15 in(9)
- 3.938 in(18)
- 4.0 in(23)
- 4.921 in(27)
- 5.0 in(21)
- 6.0 in(16)
- 6.299 in(24)
- 7.875 in(15)
- 8.0 in(14)
- 9.843 in(10)
- 10.0 in(7)
- 12.0 in(2)
- 12.403 in(5)
to
Cutting Diameter
Cutting Diameter
- 21.0 mm(1)
- 25.0 mm(1)
- 32.0 mm(1)
- 40.0 mm(1)
- 50.0 mm(1)
- 63.0 mm(4)
- 63.5 mm(5)
- 76.2 mm(9)
- 80.0 mm(9)
- 100.0 mm(18)
- 101.601 mm(23)
- 125.0 mm(27)
- 127.0 mm(21)
- 152.4 mm(16)
- 160.0 mm(24)
- 200.0 mm(15)
- 203.201 mm(14)
- 250.0 mm(10)
- 254.0 mm(7)
- 304.8 mm(2)
- 315.0 mm(5)
to
Maximum Cutting Diameter
Maximum Cutting Diameter
- 101.825 mm(2)
- 101.9 mm(2)
- 127.226 mm(1)
- 127.301 mm(1)
- 152.625 mm(1)
- 152.701 mm(1)
- 203.425 mm(1)
- 203.476 mm(1)
to
Maximum Cutting Diameter
Maximum Cutting Diameter
- 4.009 in(2)
- 4.013 in(2)
- 5.009 in(1)
- 5.013 in(1)
- 6.009 in(1)
- 6.013 in(1)
- 8.009 in(1)
- 8.012 in(1)
to
Cutting Length
Cutting Length
- 6.0 mm(7)
- 6.351 mm(7)
- 7.926 mm(6)
- 8.0 mm(5)
- 9.0 mm(1)
- 9.525 mm(5)
- 10.0 mm(3)
- 11.0 mm(1)
- 11.701 mm(21)
- 12.0 mm(1)
- 12.701 mm(5)
- 14.0 mm(1)
- 18.0 mm(15)
- 18.776 mm(2)
- 18.901 mm(3)
- 19.826 mm(1)
- 19.85 mm(2)
- 20.651 mm(10)
- 22.0 mm(1)
to
Cutting Length
Cutting Length
- 0.237 in(7)
- 0.25 in(7)
- 0.312 in(6)
- 0.315 in(5)
- 0.354 in(1)
- 0.375 in(5)
- 0.394 in(3)
- 0.433 in(1)
- 0.461 in(21)
- 0.473 in(1)
- 0.5 in(5)
- 0.551 in(1)
- 0.709 in(15)
- 0.739 in(2)
- 0.744 in(3)
- 0.781 in(3)
- 0.814 in(10)
- 0.866 in(1)
to
Reach
Reach
- 1.143 in(1)
- 1.26 in(1)
- 1.496 in(1)
- 1.782 in(1)
- 1.792 in(1)
- 1.821 in(1)
- 1.969 in(13)
- 2.0 in(3)
- 2.011 in(12)
- 2.039 in(1)
- 2.053 in(1)
- 2.067 in(1)
- 2.083 in(1)
- 2.093 in(2)
- 2.1 in(1)
- 2.362 in(1)
- 2.415 in(1)
- 2.43 in(1)
- 2.445 in(1)
- 2.463 in(1)
to
Reach
Reach
- 29.0 mm(1)
- 32.0 mm(1)
- 38.0 mm(1)
- 45.25 mm(1)
- 45.5 mm(1)
- 46.25 mm(1)
- 50.0 mm(13)
- 50.801 mm(3)
- 51.051 mm(12)
- 51.801 mm(1)
- 52.151 mm(1)
- 52.5 mm(1)
- 52.901 mm(1)
- 53.151 mm(2)
- 53.35 mm(1)
- 60.0 mm(1)
- 61.35 mm(1)
- 61.7 mm(1)
- 62.1 mm(1)
- 62.551 mm(1)
to
Tool Cutting Edge Angle
Tool Cutting Edge Angle
- 90.0 (218)
to
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)
- 13 (5)
- 14 (12)
- 15 (4)
- 16 (2)
- 17 (6)
- 18 (1)
- 19 (3)
- 2 (4)
- 24 (3)
- 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)
to
Over All Length [L]
Over All Length [L]
- 0.742 in(3)
- 0.787 in(3)
- 0.951 in(4)
- 1.782 in(1)
- 1.792 in(1)
- 1.821 in(1)
- 1.969 in(12)
- 2.0 in(3)
- 2.011 in(12)
- 2.039 in(1)
- 2.053 in(1)
- 2.067 in(1)
- 2.083 in(1)
- 2.093 in(2)
- 2.1 in(1)
- 2.415 in(1)
- 2.43 in(1)
- 2.445 in(1)
- 2.463 in(1)
- 4.291 in(1)
- 4.409 in(1)
- 4.724 in(1)
- 5.118 in(1)
- 5.513 in(1)
to
Over All Length [L]
Over All Length [L]
- 18.85 mm(3)
- 20.0 mm(3)
- 24.125 mm(4)
- 45.25 mm(1)
- 45.5 mm(1)
- 46.25 mm(1)
- 50.0 mm(12)
- 50.801 mm(3)
- 51.051 mm(12)
- 51.801 mm(1)
- 52.151 mm(1)
- 52.5 mm(1)
- 52.901 mm(1)
- 53.151 mm(2)
- 53.35 mm(1)
- 61.35 mm(1)
- 61.7 mm(1)
- 62.1 mm(1)
- 62.551 mm(1)
- 109.0 mm(1)
- 112.0 mm(1)
- 120.0 mm(1)
- 130.0 mm(1)
- 140.0 mm(1)
to
Corner Radius
Corner Radius
- 0.0 in(32)
- 0.006 in(38)
- 0.008 in(101)
- 0.012 in(60)
- 0.016 in(133)
- 0.031 in(149)
- 0.047 in(67)
- 0.06 in(12)
- 0.063 in(112)
- 0.078 in(60)
- 0.079 in(14)
- 0.094 in(54)
- 0.095 in(56)
- 0.125 in(91)
- 0.126 in(53)
- 0.187 in(53)
- 0.249 in(55)
- 0.25 in(54)
to
Corner Radius
Corner Radius
- 0.0 mm(32)
- 0.151 mm(38)
- 0.2 mm(101)
- 0.301 mm(60)
- 0.4 mm(133)
- 0.8 mm(149)
- 1.201 mm(67)
- 1.5 mm(12)
- 1.6 mm(112)
- 1.975 mm(60)
- 2.0 mm(14)
- 2.375 mm(54)
- 2.401 mm(56)
- 3.176 mm(91)
- 3.2 mm(53)
- 4.75 mm(53)
- 6.325 mm(55)
- 6.351 mm(54)
to
Corner Chamfer
Corner Chamfer
- 0.0 mm(438)
to
Corner Chamfer
Corner Chamfer
- 0.0 in(438)
to
Application
Grade Of Cutting Tool
Grade Of Cutting Tool
- K110M (5)
- K2885 (25)
- K8735 (19)
- KC410M (60)
- KC505M (7)
- KC510M (53)
- KC520M (110)
- KC522M (128)
- KC525M (41)
- KC710 (25)
- KC715M (48)
- KC725M (140)
- KC730 (25)
- KC730M (8)
- KC735M (141)
- KC792M (66)
- KC915M (53)
- KC920M (78)
- KC925M (116)
- KC930M (43)
- KC935M (60)
- KCK15 (108)
- KCK20B (110)
- KCPK30 (238)
- KCPM20 (57)
- KCPM40 (200)
- KCSM30 (53)
- KCSM40 (60)
- KCU25 (92)
- KMF (43)
- KTPK20 (42)
- KUC20M (41)
- KUC30M (41)
- KY1335 (41)
- KY3500 (53)
- X500 (53)
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(6)
- 0.088 in(8)
- 0.089 in(1)
- 0.098 in(3)
- 0.119 in(8)
- 0.12 in(3)
- 0.125 in(9)
- 0.157 in(8)
- 0.159 in(3)
- 0.197 in(3)
- 0.237 in(13)
- 0.239 in(1)
- 0.25 in(13)
- 0.312 in(6)
- 0.315 in(5)
- 0.354 in(1)
- 0.375 in(5)
- 0.394 in(3)
- 0.433 in(1)
- 0.473 in(1)
- 0.5 in(5)
- 0.551 in(1)
- 0.709 in(15)
- 0.739 in(4)
- 0.744 in(1)
- 0.781 in(3)
- 0.814 in(10)
- 0.866 in(1)
to
Cutting Width
Cutting Width
- 1.6 mm(6)
- 2.2 mm(8)
- 2.25 mm(1)
- 2.5 mm(3)
- 3.0 mm(8)
- 3.051 mm(3)
- 3.176 mm(9)
- 4.0 mm(8)
- 4.05 mm(3)
- 5.0 mm(3)
- 6.0 mm(13)
- 6.051 mm(1)
- 6.351 mm(13)
- 7.926 mm(6)
- 8.0 mm(5)
- 9.0 mm(1)
- 9.525 mm(5)
- 10.0 mm(3)
- 11.0 mm(1)
- 12.0 mm(1)
- 12.701 mm(5)
- 14.0 mm(1)
- 18.0 mm(15)
- 18.776 mm(4)
- 18.901 mm(1)
- 19.826 mm(3)
- 20.651 mm(10)
- 22.0 mm(1)
to
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)
- 0.246 in(1)
- 0.325 in(1)
- 0.376 in(10)
- 0.384 in(1)
- 0.463 in(1)
- 0.56 in(2)
- 0.591 in(3)
- 0.594 in(1)
- 0.625 in(2)
- 0.63 in(3)
- 0.828 in(4)
- 0.866 in(4)
- 0.875 in(8)
- 0.904 in(1)
- 0.906 in(1)
- 0.935 in(1)
- 0.943 in(4)
- 0.967 in(1)
- 0.972 in(3)
- 0.997 in(1)
- 1.012 in(3)
- 1.024 in(1)
- 1.029 in(1)
- 1.051 in(1)
- 1.06 in(1)
- 1.063 in(9)
- 1.094 in(4)
- 1.131 in(1)
- 1.156 in(6)
- 1.181 in(1)
- 1.256 in(6)
- 1.268 in(5)
- 1.331 in(1)
- 1.339 in(4)
- 1.375 in(4)
- 1.379 in(4)
- 1.405 in(1)
- 1.435 in(1)
- 1.438 in(2)
- 1.467 in(1)
- 1.504 in(6)
- 1.532 in(6)
- 1.56 in(1)
- 1.575 in(3)
- 1.693 in(3)
- 1.709 in(3)
- 1.747 in(1)
- 1.75 in(1)
- 1.809 in(1)
- 1.811 in(3)
- 1.831 in(1)
- 1.844 in(1)
- 1.851 in(2)
- 1.857 in(1)
- 1.879 in(4)
- 1.917 in(1)
- 2.008 in(5)
- 2.028 in(4)
- 2.029 in(1)
- 2.055 in(1)
- 2.069 in(2)
- 2.102 in(2)
- 2.25 in(1)
- 2.299 in(2)
- 2.362 in(3)
- 2.536 in(2)
- 2.539 in(2)
- 2.543 in(1)
- 2.566 in(4)
- 2.567 in(1)
- 2.581 in(2)
- 2.719 in(1)
- 2.75 in(2)
- 2.781 in(1)
- 2.795 in(5)
- 2.875 in(1)
- 3.25 in(2)
- 3.313 in(1)
- 3.346 in(1)
- 3.516 in(1)
- 3.524 in(1)
- 3.543 in(1)
- 3.559 in(1)
- 3.565 in(2)
- 3.567 in(1)
- 3.579 in(2)
- 3.594 in(1)
- 3.605 in(1)
- 3.781 in(3)
- 4.508 in(3)
- 4.516 in(1)
to
Maximum Cutting Depth
Maximum Cutting Depth
- 5.25 mm(1)
- 6.25 mm(1)
- 8.25 mm(1)
- 9.55 mm(10)
- 9.75 mm(1)
- 11.75 mm(1)
- 14.226 mm(2)
- 15.0 mm(3)
- 15.076 mm(1)
- 15.875 mm(2)
- 16.0 mm(3)
- 21.0 mm(4)
- 22.0 mm(4)
- 22.225 mm(8)
- 22.951 mm(1)
- 23.0 mm(1)
- 23.75 mm(1)
- 23.925 mm(4)
- 24.55 mm(1)
- 24.701 mm(3)
- 25.326 mm(1)
- 25.701 mm(3)
- 26.0 mm(1)
- 26.125 mm(1)
- 26.701 mm(1)
- 26.925 mm(1)
- 27.0 mm(9)
- 27.776 mm(4)
- 28.701 mm(1)
- 29.35 mm(6)
- 30.0 mm(1)
- 31.901 mm(6)
- 32.2 mm(5)
- 33.801 mm(1)
- 34.0 mm(4)
- 34.926 mm(4)
- 35.0 mm(4)
- 35.65 mm(1)
- 36.45 mm(1)
- 36.525 mm(2)
- 37.25 mm(1)
- 38.2 mm(6)
- 38.901 mm(6)
- 39.625 mm(1)
- 40.0 mm(3)
- 43.0 mm(3)
- 43.401 mm(3)
- 44.375 mm(1)
- 44.45 mm(1)
- 45.95 mm(1)
- 46.0 mm(3)
- 46.5 mm(1)
- 46.85 mm(1)
- 47.026 mm(2)
- 47.176 mm(1)
- 47.7 mm(4)
- 48.7 mm(1)
- 51.0 mm(5)
- 51.5 mm(4)
- 51.526 mm(1)
- 52.2 mm(1)
- 52.551 mm(2)
- 53.401 mm(2)
- 57.151 mm(1)
- 58.401 mm(2)
- 60.0 mm(3)
- 64.425 mm(2)
- 64.5 mm(2)
- 64.575 mm(1)
- 65.175 mm(4)
- 65.2 mm(1)
- 65.55 mm(2)
- 69.05 mm(1)
- 69.851 mm(2)
- 70.65 mm(1)
- 71.0 mm(5)
- 73.025 mm(1)
- 82.551 mm(2)
- 84.125 mm(1)
- 85.0 mm(1)
- 89.301 mm(1)
- 89.5 mm(1)
- 89.976 mm(1)
- 90.4 mm(1)
- 90.551 mm(2)
- 90.575 mm(1)
- 90.9 mm(2)
- 91.275 mm(1)
- 91.575 mm(1)
- 96.0 mm(3)
- 114.5 mm(3)
- 114.7 mm(1)
to
Maximum Cutting Insert Depth
Maximum Cutting Insert Depth
- 7.601 mm(13)
- 9.175 mm(11)
- 11.55 mm(13)
- 12.675 mm(15)
- 12.75 mm(15)
- 14.5 mm(15)
- 14.525 mm(12)
- 14.75 mm(13)
to
Maximum Cutting Insert Depth
Maximum Cutting Insert Depth
- 0.299 in(13)
- 0.361 in(11)
- 0.455 in(13)
- 0.499 in(15)
- 0.502 in(15)
- 0.572 in(15)
- 0.573 in(12)
- 0.581 in(13)
to
Neck Diameter
Neck Diameter
- 0.414 in(1)
- 0.492 in(1)
- 0.61 in(1)
- 0.807 in(1)
- 1.043 in(1)
to
Neck Diameter
Neck Diameter
- 10.5 mm(1)
- 12.5 mm(1)
- 15.5 mm(1)
- 20.5 mm(1)
- 26.5 mm(1)
to
Insert Geometry
Shape
Shape
- L-RECTANGLE ON EDGE 90 (65)
- PRISMATIC (65)
- S-SQUARE 90 (94)
Insert IC Size
Insert IC Size
- 6.351 mm(1)
- 8.0 mm(2)
- 9.525 mm(1)
- 12.701 mm(91)
to
Insert IC Size
Insert IC Size
- 0.25 in(1)
- 0.315 in(2)
- 0.375 in(1)
- 0.5 in(91)
to
Insert Seat Size
Insert Seat Size
- 1 (3)
- 12 (3)
- 16 (6)
- 2 (3)
- 21 (11)
- 27 (9)
- 3 (3)
- 34 (8)
- 4 (3)
- 42 (3)
- 51 (12)
- 6 (1)
Cutting Edge Length
Cutting Edge Length
- 3.5 mm(7)
- 4.0 mm(12)
- 4.5 mm(24)
- 5.0 mm(8)
- 5.5 mm(10)
- 6.0 mm(4)
- 6.351 mm(1)
- 8.0 mm(2)
- 12.701 mm(91)
to
Cutting Edge Length
Cutting Edge Length
- 0.138 in(7)
- 0.157 in(12)
- 0.177 in(24)
- 0.197 in(8)
- 0.217 in(10)
- 0.237 in(4)
- 0.25 in(1)
- 0.315 in(2)
- 0.5 in(91)
to
Chip Breaker CBMD
Chip Breaker CBMD
- GB2 (61)
- GP (8)
- LD (8)
- LD2 (13)
- LE (7)
Cutting Tool Material
Cutting Tool Material
- H T (1)
- H W (223)
Tolerance Class
Tolerance Class
- C (28)
- E (113)
- M (5)
- P (13)
Back-End
Connection Type
Connection Type
- ARBOR (162)
- CYLINDRICAL (5)
- SHELL MILL (47)
Back-End Diameter
Back-End Diameter
- 15.875 mm(9)
- 15.9 mm(1)
- 16.0 mm(9)
- 19.075 mm(2)
- 22.0 mm(15)
- 25.0 mm(2)
- 25.401 mm(21)
- 27.0 mm(5)
- 31.75 mm(8)
- 31.776 mm(2)
- 31.8 mm(16)
- 32.0 mm(26)
- 38.1 mm(18)
- 38.125 mm(2)
- 40.0 mm(43)
- 50.0 mm(10)
- 50.801 mm(17)
- 60.0 mm(7)
- 63.5 mm(1)
to
Back-End Diameter
Back-End Diameter
- 0.625 in(9)
- 0.626 in(1)
- 0.63 in(9)
- 0.751 in(2)
- 0.866 in(15)
- 0.984 in(2)
- 1.0 in(21)
- 1.063 in(5)
- 1.25 in(8)
- 1.252 in(18)
- 1.26 in(26)
- 1.5 in(18)
- 1.502 in(2)
- 1.575 in(43)
- 1.969 in(10)
- 2.0 in(17)
- 2.362 in(7)
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