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The M640 platform is the first choice when low cutting forces are required

The M640 platform is the first choice when high productivity, superior finish, and soft cutting performance are a priority. Featuring six effective cutting edges and a streamlined body design, this easy-to-use tool is ideal even for low-power machines.

  • High positive rake angle provides extremely low cutting forces.
  • Easy to use for fast and accurate indexing.
  • Through tool coolant
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    • P Steel (28)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(28)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(28)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(24)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(28)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(28)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(28)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(28)
    • M Stainless Steel (28)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(28)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(28)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(28)
    • K Cast Iron (27)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(26)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(26)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(27)
    • N Non-Ferrous Materials (15)
      • N2
        Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(15)
      • N3
        High-Silicon Aluminum Alloys Si >12.2%(15)
      • N1
        Wrought Aluminum (15)
    • S High-Temp Alloys (24)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(24)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(24)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(24)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(24)
    • H Hardened Materials (14)
      • H1
        Hardened Materials 44-48 HRC(14)
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    • CN (12)
    • DE (18)
    • GB (1)
    • SG (2)
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    Applications
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    • Face MillingFace Milling (9)
    Cutting Diameter
    Cutting Diameter
    • 1.2598 in(1)
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    Maximum Cutting Diameter
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    • 56.4 mm(1)
    • 57.159 mm(1)
    • 69.4 mm(1)
    • 82.578 mm(1)
    • 86.4 mm(1)
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    • 131.4 mm(1)
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    Maximum Cutting Diameter
    Maximum Cutting Diameter
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    • 2.7323 in(1)
    • 3.2511 in(1)
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    • 4.189 in(2)
    • 5.1732 in(1)
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    Cutting Length
    Cutting Length
    • 4.8 mm(7)
    • 4.87 mm(2)
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    Cutting Length
    Cutting Length
    • 0.1889 in(7)
    • 0.1917 in(1)
    • 0.192 in(1)
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    Reach
    • 1.5 in(1)
    • 1.5748 in(3)
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    Reach
    Reach
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    • 40.0 mm(3)
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    Tool Cutting Edge Angle
    Tool Cutting Edge Angle
    • 58.0 (9)
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    Connection Style
    Connection Style
    • A-Socket Head Cap Screw (4)
    • B-Cutter Retention Screw (4)
    • Weldon (1)
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    Number of Flutes
    • 10 (1)
    • 4 (2)
    • 5 (2)
    • 6 (1)
    • 7 (2)
    • 8 (1)
    Cutting Edges Per Insert
    Cutting Edges Per Insert
    • 3.0 (15)
    • 6.0 (30)
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    Internal Coolant Capability
    Internal Coolant Capability
    Over All Length [L]
    Over All Length [L]
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    Hand Of Tool
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    Neck Diameter
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    Neck Diameter
    • 24.8 mm(1)
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    • H-HEXAGON 120 (27)
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    • 10.975 mm(14)
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    Cutting Edge Length
    Cutting Edge Length
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    • 6.335 mm(6)
    • 6.351 mm(7)
    • 6.352 mm(2)
    • 6.431 mm(6)
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    • 0.25 in(7)
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    • 0.2532 in(6)
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    Chip Breaker CBMD
    Chip Breaker CBMD
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    • G (21)
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    • CYLINDRICAL (1)
    • SHELL MILL (8)
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    Back-End Diameter
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    M640 Series
    M640 Series - Tool Bodies
    (9)

    M640 Series - Tool Bodies

    M640 Series - Inserts
    (27)

    M640 Series - Inserts

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