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 (334)
- P0Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(327)
- P1Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(327)
- P2Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(327)
- P3Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(327)
- P4Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(327)
- P5Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(334)
- P6High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(334)
- M Stainless Steel (328)
- M1Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(328)
- M2High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(328)
- M3Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(328)
- K Cast Iron (300)
- K1Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(300)
- K2Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(300)
- K3High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(300)
- N Non-Ferrous Materials (173)
- N1Wrought Aluminum (173)
- N2Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(173)
- N3High-Silicon Aluminum Alloys Si >12.2%(173)
- S High-Temp Alloys (326)
- S1Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(283)
- S2Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(283)
- S3Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(283)
- S4Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(326)
- H Hardened Materials (56)
- H1Hardened Materials 44-48 HRC(53)
- H2Hardened Materials 48-55 HRC(3)
- H3Hardened Materials 56-60 HRC(3)
- H4Hardened Materials >60 HRC(3)
Applications
Applications
Face Milling (2)
Shoulder Bottom Shoulder (17)
Shoulder Milling (19)
Slot Milling (173)
Slot Side (173)
Slot Square End (56)
Slot T (5)
Cutting Diameter
Cutting Diameter
- 0.8268 in(1)
- 0.9843 in(1)
- 1.2598 in(1)
- 1.5748 in(1)
- 1.9685 in(1)
- 2.48 in(4)
- 2.5 in(5)
- 3.0 in(8)
- 3.1496 in(3)
- 3.15 in(5)
- 3.937 in(15)
- 4.0 in(20)
- 4.921 in(21)
- 4.9213 in(6)
- 5.0 in(20)
- 6.0 in(14)
- 6.299 in(17)
- 6.2992 in(3)
- 6.3 in(2)
- 7.874 in(11)
- 8.0 in(11)
- 9.842 in(3)
- 9.8425 in(1)
- 9.843 in(5)
- 10.0 in(6)
- 12.0 in(2)
- 12.401 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(8)
- 80.0 mm(8)
- 100.0 mm(15)
- 101.59 mm(1)
- 101.6 mm(19)
- 125.0 mm(27)
- 126.99 mm(1)
- 127.0 mm(19)
- 152.39 mm(1)
- 152.4 mm(13)
- 160.0 mm(22)
- 200.0 mm(11)
- 203.19 mm(1)
- 203.2 mm(10)
- 250.0 mm(9)
- 254.0 mm(6)
- 304.8 mm(2)
- 315.0 mm(5)
to
Cutting Length
Cutting Length
- 6.0 mm(7)
- 6.35 mm(1)
- 6.36 mm(6)
- 7.925 mm(1)
- 7.93 mm(5)
- 8.0 mm(5)
- 9.0 mm(1)
- 9.53 mm(5)
- 10.0 mm(3)
- 11.0 mm(1)
- 11.7 mm(10)
- 11.709 mm(9)
- 12.0 mm(1)
- 12.7 mm(5)
- 14.0 mm(1)
- 18.0 mm(10)
- 18.009 mm(5)
- 18.77 mm(2)
- 18.898 mm(3)
- 19.83 mm(1)
- 19.84 mm(2)
- 20.65 mm(8)
- 22.0 mm(1)
to
Cutting Length
Cutting Length
- 0.2362 in(7)
- 0.25 in(7)
- 0.312 in(6)
- 0.315 in(5)
- 0.3543 in(1)
- 0.375 in(5)
- 0.3937 in(3)
- 0.4331 in(1)
- 0.4606 in(1)
- 0.461 in(18)
- 0.4724 in(1)
- 0.5 in(5)
- 0.5512 in(1)
- 0.7087 in(1)
- 0.709 in(14)
- 0.739 in(2)
- 0.744 in(3)
- 0.781 in(3)
- 0.813 in(8)
- 0.8661 in(1)
to
Reach
Reach
- 1.1417 in(1)
- 1.2598 in(1)
- 1.4961 in(1)
- 1.781 in(1)
- 1.791 in(1)
- 1.821 in(1)
- 1.9685 in(9)
- 1.969 in(3)
- 2.0 in(3)
- 2.009 in(11)
- 2.01 in(1)
- 2.039 in(1)
- 2.053 in(1)
- 2.067 in(1)
- 2.093 in(2)
- 2.1 in(1)
- 2.3622 in(1)
- 2.415 in(1)
- 2.429 in(1)
- 2.445 in(1)
- 2.463 in(1)
- 83.0 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(12)
- 50.8 mm(3)
- 51.04 mm(11)
- 51.05 mm(1)
- 51.8 mm(1)
- 52.15 mm(1)
- 52.5 mm(1)
- 52.9 mm(1)
- 53.162 mm(2)
- 53.35 mm(1)
- 60.0 mm(1)
- 61.35 mm(1)
- 61.7 mm(1)
- 62.1 mm(1)
- 62.55 mm(1)
to
Tool Cutting Edge Angle
Tool Cutting Edge Angle
- 90.0 (194)
to
Connection Style
Connection Style
- 2 Key & Cutter Retention Screw (42)
- 2 Key & Socket Head Cap Screw (57)
- A-Socket Head Cap Screw (37)
- B-Cutter Retention Screw (4)
- C-Bolt Circle (5)
- Weldon (5)
Number of Flutes
Number of Flutes
- 1 (1)
- 10 (4)
- 11 (16)
- 12 (4)
- 13 (3)
- 14 (11)
- 15 (2)
- 16 (2)
- 17 (4)
- 18 (1)
- 19 (3)
- 2 (4)
- 24 (3)
- 3 (6)
- 4 (16)
- 5 (27)
- 6 (15)
- 7 (23)
- 8 (23)
- 9 (24)
Cutting Edges Per Insert
Cutting Edges Per Insert
- 1.0 (134)
- 2.0 (119)
- 4.0 (246)
to
Over All Length [L]
Over All Length [L]
- 0.742 in(3)
- 0.787 in(2)
- 0.95 in(2)
- 1.781 in(1)
- 1.791 in(1)
- 1.821 in(1)
- 1.9685 in(8)
- 1.969 in(3)
- 2.0 in(3)
- 2.009 in(11)
- 2.01 in(1)
- 2.039 in(1)
- 2.053 in(1)
- 2.067 in(1)
- 2.093 in(2)
- 2.1 in(1)
- 2.415 in(1)
- 2.429 in(1)
- 2.445 in(1)
- 2.463 in(1)
- 4.2913 in(1)
- 4.4094 in(1)
- 4.7244 in(1)
- 5.1181 in(1)
- 5.5118 in(1)
- 83.0 in(1)
to
Over All Length [L]
Over All Length [L]
- 18.855 mm(3)
- 20.0 mm(2)
- 24.13 mm(2)
- 45.25 mm(1)
- 45.5 mm(1)
- 46.25 mm(1)
- 50.0 mm(11)
- 50.8 mm(3)
- 51.04 mm(11)
- 51.05 mm(1)
- 51.8 mm(1)
- 52.15 mm(1)
- 52.5 mm(1)
- 52.9 mm(1)
- 53.162 mm(2)
- 53.35 mm(1)
- 61.35 mm(1)
- 61.7 mm(1)
- 62.1 mm(1)
- 62.55 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
- 0.006 in(32)
- 0.008 in(87)
- 0.012 in(42)
- 0.016 in(124)
- 0.031 in(142)
- 0.047 in(63)
- 0.059 in(10)
- 0.063 in(105)
- 0.078 in(56)
- 0.079 in(13)
- 0.094 in(53)
- 0.125 in(87)
- 0.249 in(51)
- 0.25 in(50)
to
Corner Radius
Corner Radius
- 0.15 mm(32)
- 0.2 mm(87)
- 0.3 mm(42)
- 0.4 mm(124)
- 0.8 mm(142)
- 1.2 mm(63)
- 1.5 mm(10)
- 1.6 mm(105)
- 1.975 mm(56)
- 2.0 mm(13)
- 2.375 mm(50)
- 2.4 mm(52)
- 3.175 mm(87)
- 6.325 mm(51)
- 6.35 mm(50)
to
Corner Chamfer
Corner Chamfer
- 0.0 mm(407)
to
Corner Chamfer
Corner Chamfer
- 0.0 in(407)
to
Application
Grade Of Cutting Tool
Grade Of Cutting Tool
- KC410M (56)
- KC505M (3)
- KC520M (106)
- KC522M (50)
- KC725M (136)
- KC730M (8)
- KC735M (17)
- KCK15 (97)
- KCK20B (107)
- KCPK30 (213)
- KCPM20 (41)
- KCPM40 (174)
- KCSM40 (56)
- KCU25 (74)
- KMF (43)
- KTPK20 (39)
- KY3500 (38)
- X500 (49)
Hand Of Tool
Hand Of Tool
- L (11)
- N (140)
- R (41)
Wiper Insert
Wiper Insert
- N (216)
Front-End
Clamp Style
Clamp Style
- S (2)
Cutting Width
Cutting Width
- 0.063 in(6)
- 0.0866 in(2)
- 0.087 in(7)
- 0.099 in(3)
- 0.118 in(2)
- 0.119 in(7)
- 0.1201 in(2)
- 0.125 in(7)
- 0.157 in(2)
- 0.158 in(6)
- 0.159 in(1)
- 0.1595 in(2)
- 0.197 in(3)
- 0.236 in(4)
- 0.2362 in(7)
- 0.2382 in(1)
- 0.25 in(12)
- 0.312 in(6)
- 0.315 in(5)
- 0.3543 in(1)
- 0.375 in(5)
- 0.3937 in(3)
- 0.4331 in(1)
- 0.4724 in(1)
- 0.5 in(5)
- 0.5512 in(1)
- 0.7087 in(1)
- 0.709 in(14)
- 0.739 in(4)
- 0.744 in(1)
- 0.781 in(3)
- 0.813 in(8)
- 0.8661 in(1)
to
Cutting Width
Cutting Width
- 1.59 mm(3)
- 1.6 mm(3)
- 2.2 mm(2)
- 2.21 mm(6)
- 2.25 mm(1)
- 2.5 mm(3)
- 3.01 mm(8)
- 3.05 mm(3)
- 3.18 mm(7)
- 4.0 mm(2)
- 4.01 mm(6)
- 4.05 mm(3)
- 5.01 mm(3)
- 6.0 mm(7)
- 6.01 mm(4)
- 6.05 mm(1)
- 6.35 mm(1)
- 6.36 mm(11)
- 7.925 mm(1)
- 7.93 mm(5)
- 8.0 mm(5)
- 9.0 mm(1)
- 9.53 mm(4)
- 9.535 mm(1)
- 10.0 mm(3)
- 11.0 mm(1)
- 12.0 mm(1)
- 12.7 mm(5)
- 14.0 mm(1)
- 18.0 mm(10)
- 18.009 mm(5)
- 18.77 mm(4)
- 18.898 mm(1)
- 19.83 mm(3)
- 20.65 mm(8)
- 22.0 mm(1)
to
Insert Shape
Insert Shape
- L-RECTANGLE ON EDGE 90 (103)
- PRISMATIC (158)
- S-SQUARE 90 (148)
Cartridge Size
Cartridge Size
- 18N - KSSM Slotting (1)
- 20W - KSSM Slotting (1)
Maximum Cutting Depth
Maximum Cutting Depth
- 0.2067 in(1)
- 0.2461 in(1)
- 0.3248 in(1)
- 0.375 in(6)
- 0.3838 in(1)
- 0.4626 in(1)
- 0.56 in(2)
- 0.5906 in(3)
- 0.594 in(1)
- 0.625 in(2)
- 0.6299 in(3)
- 0.8268 in(4)
- 0.8661 in(4)
- 0.875 in(8)
- 0.904 in(1)
- 0.906 in(1)
- 0.935 in(1)
- 0.94 in(2)
- 0.942 in(2)
- 0.966 in(1)
- 0.972 in(3)
- 0.997 in(1)
- 1.012 in(3)
- 1.0236 in(1)
- 1.029 in(1)
- 1.051 in(1)
- 1.06 in(1)
- 1.063 in(9)
- 1.094 in(4)
- 1.156 in(4)
- 1.1811 in(1)
- 1.256 in(3)
- 1.257 in(3)
- 1.268 in(4)
- 1.331 in(1)
- 1.339 in(4)
- 1.375 in(4)
- 1.378 in(4)
- 1.404 in(1)
- 1.435 in(1)
- 1.438 in(2)
- 1.466 in(1)
- 1.504 in(6)
- 1.531 in(5)
- 1.56 in(1)
- 1.5748 in(3)
- 1.6929 in(3)
- 1.709 in(3)
- 1.747 in(1)
- 1.75 in(1)
- 1.809 in(1)
- 1.811 in(3)
- 1.844 in(1)
- 1.851 in(2)
- 1.857 in(1)
- 1.878 in(4)
- 2.008 in(4)
- 2.028 in(4)
- 2.029 in(1)
- 2.05 in(1)
- 2.069 in(1)
- 2.103 in(1)
- 2.25 in(1)
- 2.299 in(1)
- 2.3 in(1)
- 2.3622 in(3)
- 2.536 in(2)
- 2.539 in(1)
- 2.542 in(1)
- 2.566 in(2)
- 2.57 in(1)
- 2.581 in(2)
- 2.719 in(1)
- 2.75 in(1)
- 2.781 in(1)
- 2.795 in(3)
- 2.875 in(1)
- 3.25 in(2)
- 3.312 in(1)
- 3.3465 in(1)
- 3.516 in(1)
- 3.524 in(1)
- 3.542 in(1)
- 3.56 in(1)
- 3.565 in(2)
- 3.566 in(1)
- 3.579 in(2)
- 3.594 in(1)
- 3.78 in(2)
- 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)
- 9.54 mm(6)
- 9.75 mm(1)
- 11.75 mm(1)
- 14.22 mm(1)
- 14.224 mm(1)
- 15.0 mm(3)
- 15.08 mm(1)
- 15.875 mm(2)
- 16.0 mm(3)
- 21.0 mm(4)
- 22.0 mm(4)
- 22.22 mm(2)
- 22.225 mm(6)
- 22.96 mm(1)
- 23.01 mm(1)
- 23.75 mm(1)
- 23.92 mm(4)
- 24.55 mm(1)
- 24.7 mm(3)
- 25.324 mm(1)
- 25.7 mm(3)
- 26.0 mm(1)
- 26.137 mm(1)
- 26.7 mm(1)
- 26.92 mm(1)
- 27.0 mm(9)
- 27.77 mm(2)
- 27.78 mm(2)
- 29.36 mm(4)
- 30.0 mm(1)
- 31.91 mm(3)
- 31.912 mm(3)
- 32.2 mm(4)
- 33.807 mm(1)
- 34.0 mm(4)
- 34.92 mm(2)
- 34.925 mm(2)
- 35.0 mm(4)
- 35.66 mm(1)
- 36.45 mm(1)
- 36.525 mm(2)
- 37.25 mm(1)
- 38.2 mm(6)
- 38.89 mm(5)
- 39.625 mm(1)
- 40.0 mm(3)
- 43.0 mm(3)
- 43.41 mm(3)
- 44.37 mm(1)
- 44.45 mm(1)
- 45.96 mm(1)
- 46.0 mm(3)
- 46.84 mm(1)
- 47.015 mm(2)
- 47.168 mm(1)
- 47.71 mm(3)
- 48.71 mm(1)
- 51.0 mm(4)
- 51.5 mm(4)
- 51.537 mm(1)
- 52.2 mm(1)
- 52.55 mm(1)
- 53.41 mm(1)
- 57.15 mm(1)
- 58.4 mm(1)
- 58.41 mm(1)
- 60.0 mm(3)
- 64.414 mm(2)
- 64.5 mm(1)
- 64.567 mm(1)
- 65.18 mm(1)
- 65.2 mm(1)
- 65.55 mm(2)
- 69.06 mm(1)
- 69.85 mm(2)
- 70.65 mm(1)
- 71.0 mm(3)
- 73.03 mm(1)
- 82.55 mm(2)
- 84.125 mm(1)
- 85.0 mm(1)
- 89.306 mm(1)
- 89.5 mm(1)
- 89.967 mm(1)
- 90.4 mm(1)
- 90.55 mm(2)
- 90.9 mm(1)
- 90.91 mm(1)
- 91.27 mm(1)
- 91.57 mm(1)
- 96.0 mm(2)
- 114.5 mm(3)
- 114.706 mm(1)
to
Maximum Cutting Insert Depth
Maximum Cutting Insert Depth
- 7.61 mm(9)
- 9.18 mm(9)
- 11.55 mm(11)
- 12.68 mm(11)
- 12.74 mm(13)
- 14.51 mm(14)
- 14.74 mm(10)
to
Maximum Cutting Insert Depth
Maximum Cutting Insert Depth
- 0.3 in(9)
- 0.361 in(9)
- 0.455 in(11)
- 0.499 in(11)
- 0.502 in(13)
- 0.571 in(14)
- 0.58 in(10)
to
Neck Diameter
Neck Diameter
- 0.4134 in(1)
- 0.4921 in(1)
- 0.6102 in(1)
- 0.8071 in(1)
- 1.0433 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 (64)
- PRISMATIC (60)
- S-SQUARE 90 (92)
Insert IC Size
Insert IC Size
- 6.35 mm(1)
- 8.0 mm(1)
- 9.525 mm(1)
- 12.7 mm(90)
to
Insert IC Size
Insert IC Size
- 0.25 in(1)
- 0.318 in(1)
- 0.375 in(1)
- 0.5 in(90)
to
Insert Seat Size
Insert Seat Size
- 1 (3)
- 12 (3)
- 16 (6)
- 2 (3)
- 21 (11)
- 27 (7)
- 3 (3)
- 34 (8)
- 4 (3)
- 42 (3)
- 51 (9)
- 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(3)
- 6.35 mm(1)
- 8.0 mm(1)
- 12.7 mm(90)
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)
- 0.236 in(3)
- 0.25 in(1)
- 0.318 in(1)
- 0.5 in(90)
to
Chip Breaker CBMD
Chip Breaker CBMD
- GB2 (60)
- GP (8)
- LD (8)
- LD2 (14)
- LE (7)
Cutting Tool Material
Cutting Tool Material
- H T (1)
- H W (215)
Tolerance Class
Tolerance Class
- C (29)
- E (112)
- M (3)
- P (12)
Back-End
Connection Type
Connection Type
- ARBOR (141)
- CYLINDRICAL (5)
- SHELL MILL (46)
Back-End Diameter
Back-End Diameter
- 15.875 mm(8)
- 15.88 mm(1)
- 15.9 mm(1)
- 16.0 mm(9)
- 19.07 mm(2)
- 22.0 mm(13)
- 25.0 mm(2)
- 25.4 mm(17)
- 27.0 mm(3)
- 31.75 mm(7)
- 31.76 mm(1)
- 31.769 mm(2)
- 31.8 mm(15)
- 32.0 mm(26)
- 38.1 mm(16)
- 38.119 mm(2)
- 40.0 mm(37)
- 50.0 mm(9)
- 50.8 mm(13)
- 60.0 mm(7)
- 63.5 mm(1)
to
Back-End Diameter
Back-End Diameter
- 0.625 in(9)
- 0.6299 in(7)
- 0.63 in(3)
- 0.75 in(2)
- 0.8661 in(6)
- 0.87 in(7)
- 0.9843 in(2)
- 1.0 in(17)
- 1.063 in(3)
- 1.25 in(25)
- 1.2598 in(15)
- 1.26 in(12)
- 1.5 in(18)
- 1.5748 in(28)
- 1.58 in(8)
- 1.9685 in(9)
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