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Shoulder milling cutter for steel and cast iron
Shoulder milling cutter for steel and cast iron
Shoulder milling cutter for steel and cast iron
Shoulder milling cutter for steel and cast iron

Mill 4™-12KT • Shell Mill • Inch

Shoulder milling cutter for steel and cast iron

Features and benefits

  • Fine, coarse, and medium pitch cutters.

  • Advanced insert/pocket interface ensures stability and consistent performance in difficult applications.

  • Up to 15% lower power consumption.

  • Easy insert indexing through screw clamping.
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Key Filters
Workpiece Material
Workpiece Material
  • P Steel (20)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (20)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (20)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (20)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (20)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (20)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (20)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (20)
  • M Stainless Steel (20)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (20)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (20)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (20)
  • K Cast Iron (20)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (20)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (20)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (20)
  • S High-Temp Alloys (20)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (20)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (20)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (20)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (20)
  • H Hardened Materials (20)
    • H1
      Hardened Materials 44-48 HRC (20)
Applications
Applications
  • Face Milling Face Milling (20)
  • Shoulder Milling Shoulder Milling (20)
  • Shoulder Roughing Shoulder Roughing (14)
  • Shoulder Square End Shoulder Square End (6)
Cutting Diameter
Cutting Diameter
  • 2.0 in (3)
  • 2.5 in (3)
  • 3.0 in (3)
  • 4.0 in (3)
  • 5.0 in (3)
  • 6.0 in (3)
  • 8.0 in (2)
Cutting Diameter Min to Cutting Diameter Max
Cutting Diameter
Cutting Diameter
  • 50.801 mm (3)
  • 63.5 mm (3)
  • 76.2 mm (3)
  • 101.601 mm (3)
  • 127.0 mm (3)
  • 152.4 mm (3)
  • 203.201 mm (2)
Cutting Diameter Min to Cutting Diameter Max
Cutting Length
Cutting Length
  • 12.125 mm (3)
  • 12.15 mm (17)
Cutting Length Min to Cutting Length Max
Cutting Length
Cutting Length
  • 0.478 in (3)
  • 0.479 in (17)
Cutting Length Min to Cutting Length Max
Reach
Reach
  • 1.5 in (3)
  • 1.75 in (6)
  • 2.0 in (3)
  • 2.375 in (8)
Reach Min to Reach Max
Reach
Reach
  • 38.1 mm (3)
  • 44.45 mm (6)
  • 50.801 mm (3)
  • 60.325 mm (8)
Reach Min to Reach Max
Connection Style
Connection Style
  • A-Socket Head Cap Screw (15)
  • B-Cutter Retention Screw (3)
  • C-Bolt Circle (2)
Number of Flutes
Number of Flutes
  • 10 (1)
  • 11 (2)
  • 12 (2)
  • 14 (1)
  • 16 (3)
  • 18 (1)
  • 22 (1)
  • 4 (1)
  • 5 (2)
  • 6 (2)
  • 7 (1)
  • 8 (2)
  • 9 (1)
Internal Coolant Capability
Internal Coolant Capability
Over All Length [L]
Over All Length [L]
  • 1.5 in (3)
  • 1.75 in (6)
  • 2.0 in (3)
  • 2.375 in (8)
Over All Length [L] Min to Over All Length [L] Max
Over All Length [L]
Over All Length [L]
  • 38.1 mm (3)
  • 44.45 mm (6)
  • 50.801 mm (3)
  • 60.325 mm (8)
Over All Length [L] Min to Over All Length [L] Max
Corner configuration
Corner Radius
Corner Radius
  • 0.016 in (20)
  • 0.031 in (20)
  • 0.047 in (20)
  • 0.061 in (20)
  • 0.078 in (20)
  • 0.094 in (20)
  • 0.125 in (20)
Corner Radius Min to Corner Radius Max
Corner Radius
Corner Radius
  • 0.4 mm (20)
  • 0.8 mm (20)
  • 1.201 mm (20)
  • 1.55 mm (20)
  • 1.975 mm (20)
  • 2.375 mm (20)
  • 3.176 mm (20)
Corner Radius Min to Corner Radius Max
Application
Grade Of Cutting Tool
Grade Of Cutting Tool
  • KC522M (20)
  • KC725M (20)
  • KCK15 (20)
  • KCK20 (20)
  • KCK20B (20)
  • KCPK30 (20)
  • KCPM40 (20)
  • KCSM40 (20)
  • X00626 (20)
Maximum Ramp Angle
Maximum Ramp Angle
  • 0.008 (2)
  • 0.011 (3)
  • 0.013 (3)
  • 0.016 (3)
  • 0.021 (3)
  • 0.026 (3)
  • 0.041 (3)
Maximum Ramp Angle Min to Maximum Ramp Angle Max
Back-End
Back-End Diameter
Back-End Diameter
  • 19.05 mm (3)
  • 25.401 mm (6)
  • 31.75 mm (3)
  • 38.1 mm (3)
  • 50.801 mm (3)
  • 63.5 mm (2)
Back-End Diameter Min to Back-End Diameter Max
Back-End Diameter
Back-End Diameter
  • 0.75 in (3)
  • 1.0 in (6)
  • 1.25 in (3)
  • 1.5 in (3)
  • 2.0 in (3)
  • 2.5 in (2)
Back-End Diameter Min to Back-End Diameter Max
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Metric
Inch
SAP Material Number ISO Catalog Number ANSI Catalog Number D1 D1 D D D4 D4 D6 D6 L L AP1MAX AP1MAX Number of Inserts Weight Pounds Max RPM
6524718 KT4D200Z04S075LN12L150 KT4D200Z04S075LN12L150 50.8 2 19.05 .75     44.45 1.75 38.1 1.5 12.135 .4777 4 0.72 25700
    List price:
    $516.33 /each
    Your price:
    Qty
    6524735 KT4D200Z05S075LN12L150 KT4D200Z05S075LN12L150 50.8 2 19.05 .75     44.45 1.75 38.1 1.5 12.135 .4777 5 0.75 25700
      List price:
      $605.34 /each
      Your price:
      Qty
      7009752 KT4D200Z06S075LN12L150 KT4D200Z06S075LN12L150 50.8 2 19.05 .75     44.45 1.75 38.1 1.5 12.135 .4778 6 0.77 25700
        List price:
        $694.35 /each
        Your price:
        Qty
        6524719 KT4D250Z05S100LN12L175 KT4D250Z05S100LN12L175 63.5 2.5 25.4 1     55.562 2.187 44.45 1.75 12.146 .4782 5 1.36 22000
          List price:
          $694.38 /each
          Your price:
          Qty
          6524736 KT4D250Z06S100LN12L175 KT4D250Z06S100LN12L175 63.5 2.5 25.4 1     55.626 2.19 44.45 1.75 12.146 .4782 6 1.28 22000
            List price:
            $783.40 /each
            Your price:
            Qty
            7009753 KT4D250Z08S100LN12L175 KT4D250Z08S100LN12L175 63.5 2.5 25.4 1     55.626 2.19 44.45 1.75 12.146 .4782 8 1.43 22000
              List price:
              $961.40 /each
              Your price:
              Qty
              6524720 KT4D300Z07S100LN12L175 KT4D300Z07S100LN12L175 76.2 3 25.4 1     55.562 2.187 44.45 1.75 12.145 .4782 7 1.87 19600
                List price:
                $783.40 /each
                Your price:
                Qty
                6524737 KT4D300Z08S100LN12L175 KT4D300Z08S100LN12L175 76.2 3 25.4 1     55.562 2.187 44.45 1.75 12.145 .4782 8 1.91 19600
                  List price:
                  $872.42 /each
                  Your price:
                  Qty
                  7009754 KT4D300Z10S100LN12L175 KT4D300Z10S100LN12L175 76.2 3 25.4 1     55.626 2.19 44.45 1.75 12.145 .4781 10 1.95 19600
                    List price:
                    $1,050.42 /each
                    Your price:
                    Qty
                    6524731 KT4D400Z09S125LN12L200 KT4D400Z09S125LN12L200 101.6 4 31.75 1.25     73.025 2.875 50.8 2 12.144 .4781 9 3.82 16500
                      List price:
                      $961.44 /each
                      Your price:
                      Qty
                      6524738 KT4D400Z11S125LN12L200 KT4D400Z11S125LN12L200 101.6 4 31.75 1.25     73.025 2.875 50.8 2 12.144 .4781 11 3.9 16500
                        List price:
                        $1,139.49 /each
                        Your price:
                        Qty
                        7009755 KT4D400Z12S125LN12L200 KT4D400Z12S125LN12L200 101.6 4 31.75 1.25     73.025 2.875 50.8 2 12.144 .4781 12 3.97 16500
                          List price:
                          $1,228.49 /each
                          Your price:
                          Qty
                          6524732 KT4D500Z11S150LN12L238 KT4D500Z11S150LN12L238 127 5 38.1 1.5     96.838 3.812 60.325 2.375 12.144 .4781 11 5.82 14500
                            List price:
                            $1,139.49 /each
                            Your price:
                            Qty
                            6524739 KT4D500Z14S150LN12L238 KT4D500Z14S150LN12L238 127 5 38.1 1.5     96.774 3.81 60.325 2.375 12.144 .4781 14 7.51 14500
                              List price:
                              $1,495.58 /each
                              Your price:
                              Qty
                              7009756 KT4D500Z16S150LN12L238 KT4D500Z16S150LN12L238 127 5 38.1 1.5     96.774 3.81 60.325 2.375 12.144 .4781 16 7.51 14500
                                List price:
                                $1,673.58 /each
                                Your price:
                                Qty
                                6524733 KT4D600Z12S200LN12L238 KT4D600Z12S200LN12L238 152.4 6 50.8 2     123.825 4.875 60.325 2.375 12.144 .4781 12 10.95 13000
                                  List price:
                                  $1,513.38 /each
                                  Your price:
                                  Qty
                                  6524740 KT4D600Z16S200LN12L238 KT4D600Z16S200LN12L238 152.4 6 50.8 2     123.825 4.875 60.325 2.375 12.144 .4781 16 11.16 13000
                                    List price:
                                    $2,047.52 /each
                                    Your price:
                                    Qty
                                    7009757 KT4D600Z18S200LN12L238 KT4D600Z18S200LN12L238 152.4 6 50.8 2     123.825 4.875 60.325 2.375 12.144 .4781 18 9.31 13000
                                      List price:
                                      $2,225.51 /each
                                      Your price:
                                      Qty
                                      6524734 KT4D800Z16S250LN12L238 KT4D800Z16S250LN12L238 203.2 8 63.5 2.5 101.6 4 130 5.118 60.325 2.375 12.143 .4781 16 15.66 11100
                                        List price:
                                        $1,869.47 /each
                                        Your price:
                                        Qty
                                        6524751 KT4D800Z22S250LN12L238 KT4D800Z22S250LN12L238 203.2 8 63.5 2.5 101.6 4 130 5.118 60.325 2.375 12.143 .4781 22 14.85 11100
                                          List price:
                                          $2,581.64 /each
                                          Your price:
                                          Qty
                                          List price:
                                          Discount: %
                                          Your price:
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