Mill 4-11™ - 90° shoulder milling to the extreme

The Mill 4-11 Series is specially engineered to achieve excellent surface quality and higher metal removal rates in shoulder milling applications. Its unique design allows you to apply the tool in multiple passes (step down) with outstanding results. From roughing to finishing operations, the Mill 4-11 series is applicable in a wide range of workpiece materials: steel, cast iron, stainless steel, non-ferrous materials, and high-temp alloys.

  • Double-sided strong insert with 4 cutting edges.
  • High positive geometry for lower cutting forces.
  • Superior wall and surface finish capabilities.
  • Comprehensive offering to cover all applications in all material groups.

Stepless Solutions

A challenge with step down applications is that most tools leave tool marks with every pass they take, resulting in unsatisfactory or low quality wall finishes, which require another finishing pass at the very end of the process.

Applying Mill 4-11™ delivers pristine wall finishes, and eliminates that finishing pass with an additional tool. That saves you time and reduces your production cost.

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    Workpiece Material
    • P Steel (103)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(98)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(98)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(98)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(98)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(98)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(103)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(103)
    • M Stainless Steel (103)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(103)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(103)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(103)
    • K Cast Iron (93)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(93)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(93)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(93)
    • N Non-Ferrous Materials (65)
      • N1
        Wrought Aluminum (65)
      • N2
        Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(65)
      • N3
        High-Silicon Aluminum Alloys Si >12.2%(65)
    • S High-Temp Alloys (102)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(96)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(96)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(96)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(102)
    • H Hardened Materials (73)
      • H1
        Hardened Materials 44-48 HRC(73)
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    Applications
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    • Face MillingFace Milling (63)
    • Shoulder Bottom ShoulderShoulder Bottom Shoulder (63)
    • Shoulder MillingShoulder Milling (63)
    • Shoulder RoughingShoulder Roughing (63)
    • Shoulder Square EndShoulder Square End (63)
    • Slot MillingSlot Milling (10)
    • Slot SideSlot Side (10)
    • Slot Square EndSlot Square End (10)
    Cutting Diameter
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    • 50.801 mm(2)
    • 63.0 mm(2)
    • 63.5 mm(2)
    • 76.2 mm(2)
    • 80.0 mm(2)
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    Cutting Length
    • 11.0 mm(63)
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    Tool Cutting Edge Angle
    • 90.0 (63)
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    Number of Flutes
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    Over All Length [L]
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    • 1.575 in(14)
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    • 0.016 in(70)
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    Corner Radius
    Corner Radius
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    Grade Of Cutting Tool
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    Neck Diameter
    • 18.8 mm(1)
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    Center Cutting
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    Shape
    • X-RECTANGLE MILL 4 90 (57)
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    Cutting Edge Length
    • 12.101 mm(20)
    • 12.175 mm(37)
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    • 0.477 in(20)
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    Chip Breaker CBMD
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    Tolerance Class
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    Connection Type
    Connection Type
    • CYLINDRICAL (37)
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    • SHELL MILL (18)
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    • 12.701 mm(2)
    • 13.0 mm(1)
    • 15.875 mm(3)
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    • 25.401 mm(7)
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    • 32.0 mm(6)
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    Back-End Diameter
    Back-End Diameter
    • 0.5 in(2)
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    • 0.63 in(6)
    • 0.709 in(2)
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    • 1.143 in(3)
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