Mill 4-15™ Milling Cutters Metric

The Mill 4-15™ metric series of cutters is specially engineered to achieve excellent performance in surface quality as well as higher material removal rates in shoulder milling roughing and finishing applications. Its unique design enables multiple passes (stepping down) with outstanding results. Mill 4-15 is applicable in a wide range of workpiece materials including steel, cast iron, stainless steel, and titanium. They have up to 15.5mm [.610”] maximum depth-of-cut and superior wall and surface finish capabilities. Along with an effective internal coolant feature, Mill 4-15 metric cutters are available with screw-on, cylindrical, and Weldon shank options, and in shell mill types.

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    Metric
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    Key Filters
    Workpiece Material
    Workpiece Material
    • P Steel (37)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(37)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(37)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(37)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(37)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(37)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(37)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(37)
    • M Stainless Steel (37)
      • M1
        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(37)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(37)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(37)
    • K Cast Iron (37)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(37)
      • K2
        Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS(37)
      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(37)
    • N Non-Ferrous Materials (37)
      • N1
        Wrought Aluminum (37)
      • N2
        Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2%(37)
      • N3
        High-Silicon Aluminum Alloys Si >12.2%(37)
    • S High-Temp Alloys (37)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(37)
      • S2
        Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS(37)
      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(37)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(37)
    • H Hardened Materials (37)
      • H1
        Hardened Materials 44-48 HRC(37)
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    • BR (1)
    • CN (36)
    • DE (36)
    • GB (22)
    • IN (1)
    • SG (8)
    • US (9)
    Applications
    Applications
    • Face MillingFace Milling (37)
    • Shoulder MillingShoulder Milling (37)
    • Shoulder RoughingShoulder Roughing (37)
    • Shoulder Square EndShoulder Square End (37)
    • Slot MillingSlot Milling (10)
    • Slot Square EndSlot Square End (10)
    Cutting Diameter
    Cutting Diameter
    • 0.984 in(4)
    • 1.26 in(7)
    • 1.379 in(1)
    • 1.575 in(7)
    • 1.969 in(3)
    • 2.48 in(3)
    • 3.15 in(3)
    • 3.938 in(3)
    • 4.921 in(3)
    • 6.299 in(3)
    Cutting Diameter MintoCutting Diameter Max
    Cutting Diameter
    Cutting Diameter
    • 25.0 mm(4)
    • 32.0 mm(7)
    • 35.0 mm(1)
    • 40.0 mm(7)
    • 50.0 mm(3)
    • 63.0 mm(3)
    • 80.0 mm(3)
    • 100.0 mm(3)
    • 125.0 mm(3)
    • 160.0 mm(3)
    Cutting Diameter MintoCutting Diameter Max
    Reach
    Reach
    • 1.26 in(2)
    • 1.574 in(2)
    • 1.575 in(10)
    • 1.693 in(2)
    • 1.929 in(2)
    • 1.969 in(12)
    • 1.97 in(1)
    • 2.48 in(6)
    Reach MintoReach Max
    Reach
    Reach
    • 32.0 mm(2)
    • 39.975 mm(2)
    • 40.0 mm(10)
    • 43.0 mm(2)
    • 49.0 mm(2)
    • 50.0 mm(12)
    • 50.026 mm(1)
    • 63.0 mm(6)
    Reach MintoReach Max
    Connection Style
    Connection Style
    • A-Socket Head Cap Screw (11)
    • B-Cutter Retention Screw (6)
    • SHCS or RetScrw Or BoltCircle (3)
    • Screw-On Connection (5)
    • Straight-Cylindrical (8)
    • Weldon (4)
    Number of Flutes
    Number of Flutes
    • 11 (1)
    • 12 (2)
    • 16 (1)
    • 2 (4)
    • 3 (6)
    • 4 (8)
    • 5 (5)
    • 6 (3)
    • 7 (3)
    • 8 (2)
    • 9 (2)
    Internal Coolant Capability
    Internal Coolant Capability
    Over All Length [L]
    Over All Length [L]
    • 1.574 in(2)
    • 1.575 in(6)
    • 1.969 in(5)
    • 1.97 in(1)
    • 2.126 in(1)
    • 2.48 in(6)
    • 2.539 in(4)
    • 3.504 in(1)
    • 3.938 in(1)
    • 4.331 in(2)
    • 4.37 in(3)
    • 6.694 in(1)
    • 7.875 in(4)
    Over All Length [L] MintoOver All Length [L] Max
    Over All Length [L]
    Over All Length [L]
    • 39.975 mm(2)
    • 40.0 mm(6)
    • 50.0 mm(5)
    • 50.026 mm(1)
    • 54.0 mm(1)
    • 63.0 mm(6)
    • 64.5 mm(4)
    • 89.0 mm(1)
    • 100.0 mm(1)
    • 110.0 mm(2)
    • 111.0 mm(3)
    • 170.0 mm(1)
    • 200.0 mm(4)
    Over All Length [L] MintoOver All Length [L] Max
    Corner configuration
    Corner Radius
    Corner Radius
    • 0.016 in(37)
    • 0.031 in(37)
    • 0.047 in(37)
    • 0.063 in(37)
    • 0.064 in(37)
    • 0.079 in(37)
    Corner Radius MintoCorner Radius Max
    Corner Radius
    Corner Radius
    • 0.4 mm(37)
    • 0.8 mm(37)
    • 1.201 mm(37)
    • 1.6 mm(37)
    • 1.625 mm(37)
    • 2.0 mm(37)
    Corner Radius MintoCorner Radius Max
    Application
    Grade Of Cutting Tool
    Grade Of Cutting Tool
    • KC422M (37)
    • KC520M (37)
    • KC522M (37)
    • KC725M (37)
    • KCK15 (37)
    • KCK20B (37)
    • KCPK30 (37)
    • KCPM20 (37)
    • KCPM40 (37)
    • KCSM30 (37)
    • KCSM40 (37)
    Front-End
    Neck Diameter
    Neck Diameter
    • 1.185 in(2)
    • 1.24 in(4)
    Neck Diameter MintoNeck Diameter Max
    Neck Diameter
    Neck Diameter
    • 30.1 mm(2)
    • 31.5 mm(4)
    Neck Diameter MintoNeck Diameter Max
    Back-End
    Connection Type
    Connection Type
    • CYLINDRICAL (12)
    • SCREW-ON (5)
    • SHELL MILL (20)
    Back-End Diameter
    Back-End Diameter
    • 16.0 mm(2)
    • 21.0 mm(1)
    • 22.0 mm(6)
    • 25.0 mm(3)
    • 27.0 mm(3)
    • 29.0 mm(4)
    • 32.0 mm(12)
    • 40.0 mm(6)
    Back-End Diameter MintoBack-End Diameter Max
    Back-End Diameter
    Back-End Diameter
    • 0.63 in(2)
    • 0.828 in(1)
    • 0.866 in(6)
    • 0.984 in(3)
    • 1.063 in(3)
    • 1.143 in(4)
    • 1.26 in(12)
    • 1.575 in(6)
    Back-End Diameter MintoBack-End Diameter Max
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