LN Series • Four Cutting Edges • Ap1 max 46mm • Ae 6-12mm

The LN slotting mill cutter series is a fantastic solution for narrow slotting applications. The LN slotting cutters come in both arbor and shell mill cutter options, accommodating groove widths ranging from .250 to .539 inches and cutter diameters spanning from 3 to 8 inches. One of its standout features is the radial adjustment in .020-inch increments, allowing for precise customization to meet specific machining requirements. With staggered internal keys and positive chip grooves, LN slot cutters ensure efficient chip evacuation and enhanced cutting performance. The ease of width adjustment through insert thickness further simplifies setup and operation, while enabling full side and face cutting capabilities. Additionally, these slot mill cutters can be used with neutral and positive chip-forming inserts. They feature four cutting edges for extended tool life and reduced downtime. Experience the unparalleled precision and efficiency of the LN slotting cutter series.

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    Workpiece Material
    • P Steel (71)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(71)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(71)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(71)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(71)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(71)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(71)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(71)
    • M Stainless Steel (71)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(71)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(71)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(71)
    • K Cast Iron (63)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(63)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(63)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(63)
    • S High-Temp Alloys (71)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(68)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(68)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(68)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(71)
    Applications
    Applications
    • Slot MillingSlot Milling (39)
    • Slot SideSlot Side (39)
    Cutting Diameter
    Cutting Diameter
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    Cutting Diameter
    Cutting Diameter
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    • 76.2 mm(1)
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    • 101.601 mm(8)
    • 125.0 mm(2)
    • 127.0 mm(4)
    • 152.4 mm(4)
    • 160.0 mm(6)
    • 200.0 mm(1)
    • 203.201 mm(4)
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    Maximum Cutting Diameter
    Maximum Cutting Diameter
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    • 101.9 mm(2)
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    • 127.301 mm(1)
    • 152.625 mm(1)
    • 152.701 mm(1)
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    Maximum Cutting Diameter
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    • 8.012 in(1)
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    Cutting Length
    Cutting Length
    • 6.351 mm(7)
    • 7.926 mm(6)
    • 9.525 mm(5)
    • 12.701 mm(5)
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    Cutting Length
    Cutting Length
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    Reach
    Reach
    • 1.969 in(8)
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    Reach
    Reach
    • 50.0 mm(8)
    Reach MintoReach Max
    Tool Cutting Edge Angle
    Tool Cutting Edge Angle
    • 90.0 (39)
    Tool Cutting Edge Angle MintoTool Cutting Edge Angle Max
    Connection Style
    Connection Style
    • 2 Key & Cutter Retention Screw (8)
    • 2 Key & Socket Head Cap Screw (17)
    • A-Socket Head Cap Screw (14)
    Number of Flutes
    Number of Flutes
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    Internal Coolant Capability
    Internal Coolant Capability
    Over All Length [L]
    Over All Length [L]
    • 1.969 in(8)
    Over All Length [L] MintoOver All Length [L] Max
    Over All Length [L]
    Over All Length [L]
    • 50.0 mm(8)
    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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    • 1.6 mm(38)
    • 3.176 mm(29)
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    Grade Of Cutting Tool
    Grade Of Cutting Tool
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    Hand Of Tool
    Hand Of Tool
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    Wiper Insert
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    Cutting Width
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    Cutting Width
    Cutting Width
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    Maximum Cutting Depth
    Maximum Cutting Depth
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    Maximum Cutting Depth MintoMaximum Cutting Depth Max
    Maximum Cutting Depth
    Maximum Cutting Depth
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    • 15.076 mm(1)
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    • 69.851 mm(1)
    • 70.65 mm(1)
    • 73.025 mm(1)
    Maximum Cutting Depth MintoMaximum Cutting Depth Max
    Insert Geometry
    Shape
    Shape
    • L-RECTANGLE ON EDGE 90 (65)
    Insert IC Size
    Insert IC Size
    • 9.525 mm(1)
    Insert IC Size MintoInsert IC Size Max
    Insert IC Size
    Insert IC Size
    • 0.375 in(1)
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    Cutting Edge Length
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    Cutting Edge Length
    Cutting Edge Length
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    • 0.177 in(24)
    • 0.197 in(8)
    • 0.217 in(10)
    • 0.237 in(4)
    Cutting Edge Length MintoCutting Edge Length Max
    Chip Breaker CBMD
    Chip Breaker CBMD
    • GP (8)
    Cutting Tool Material
    Cutting Tool Material
    • H W (65)
    Tolerance Class
    Tolerance Class
    • E (65)
    Back-End
    Connection Type
    Connection Type
    • ARBOR (25)
    • SHELL MILL (14)
    Back-End Diameter
    Back-End Diameter
    • 19.075 mm(2)
    • 22.0 mm(2)
    • 25.401 mm(5)
    • 27.0 mm(3)
    • 31.776 mm(2)
    • 31.8 mm(6)
    • 32.0 mm(2)
    • 38.1 mm(6)
    • 38.125 mm(2)
    • 40.0 mm(8)
    • 50.0 mm(1)
    Back-End Diameter MintoBack-End Diameter Max
    Back-End Diameter
    Back-End Diameter
    • 0.751 in(2)
    • 0.866 in(2)
    • 1.0 in(5)
    • 1.063 in(3)
    • 1.252 in(8)
    • 1.26 in(2)
    • 1.5 in(6)
    • 1.502 in(2)
    • 1.575 in(8)
    • 1.969 in(1)
    Back-End Diameter MintoBack-End Diameter Max
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