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Flat-Bottom and Back-Draft Finishing End Mills
Flat-Bottom and Back-Draft Finishing End Mills
Flat-Bottom and Back-Draft Finishing End Mills
Flat-Bottom and Back-Draft Finishing End Mills

KDMT Flat Bottom and Back Draft Finishing End Mill • Necked End Mills • Cylindrical Shank • Steel • Metric

Flat-Bottom and Back-Draft Finishing End Mills

Features and benefits

  • Available diameters: 12–25mm.

  • High precision and runout accuracy.

  • Can be used with the heat shrink technology, h6 shank tolerance.

  • Suitable for roughing and finishing operations.

  • Works with toroidal and high-feed inserts.

Uses and application

  • Ramping: BlankRamping: Blank
  • Slotting: Ball NoseSlotting: Ball Nose
  • Side Milling/Shoulder Milling: Ball NoseSide Milling/Shoulder Milling: Ball Nose
  • 3D Profiling3D Profiling
  • PocketingPocketing
  • Shank - Cylindrical  PlainShank - Cylindrical Plain
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Workpiece Material
Workpiece Material
  • P Steel (8)
    • P0
      Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (8)
    • P1
      Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS (8)
    • P2
      Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS (8)
    • P3
      Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS (8)
    • P4
      Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS (8)
    • P5
      Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS (8)
    • P6
      High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS (8)
  • M Stainless Steel (8)
    • M1
      Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS (8)
    • M2
      High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS (8)
    • M3
      Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS (8)
  • K Cast Iron (8)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS (8)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS (8)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS (8)
  • N Non-Ferrous Materials (7)
    • N1
      Wrought Aluminum (7)
    • N2
      Low-Silicon Aluminum Alloys and Magnesium Alloys Si <12.2% (7)
    • N3
      High-Silicon Aluminum Alloys Si >12.2% (7)
  • S High-Temp Alloys (8)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS (6)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS (6)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS (7)
    • S4
      Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS (8)
  • H Hardened Materials (8)
    • H1
      Hardened Materials 44-48 HRC (8)
    • H2
      Hardened Materials 48-55 HRC (8)
    • H3
      Hardened Materials 56-60 HRC (8)
Applications
Applications
  • Pocket Pocket (8)
  • Pocket Milling Pocket Milling (8)
  • Profile Milling Profile Milling (8)
  • Ramping Ramping (8)
  • Shoulder Ball Nose Shoulder Ball Nose (8)
  • Shoulder Milling Shoulder Milling (8)
  • Slot Milling Slot Milling (8)
  • Slot Square End Slot Square End (8)
Cutting Diameter
Cutting Diameter
  • 0.473 in (2)
  • 0.63 in (2)
  • 0.787 in (2)
  • 0.984 in (1)
  • 1.26 in (1)
Cutting Diameter Min to Cutting Diameter Max
Cutting Diameter
Cutting Diameter
  • 12.0 mm (2)
  • 16.0 mm (2)
  • 20.0 mm (2)
  • 25.0 mm (1)
  • 32.0 mm (1)
Cutting Diameter Min to Cutting Diameter Max
Cutting Length
Cutting Length
  • 3.0 mm (2)
  • 4.0 mm (2)
  • 5.0 mm (2)
  • 6.0 mm (1)
  • 8.0 mm (1)
Cutting Length Min to Cutting Length Max
Cutting Length
Cutting Length
  • 0.119 in (2)
  • 0.157 in (2)
  • 0.197 in (2)
  • 0.237 in (1)
  • 0.315 in (1)
Cutting Length Min to Cutting Length Max
Reach
Reach
  • 1.339 in (1)
  • 1.575 in (1)
  • 1.85 in (1)
  • 1.891 in (1)
  • 2.244 in (1)
  • 2.48 in (1)
  • 2.835 in (1)
  • 3.228 in (1)
Reach Min to Reach Max
Reach
Reach
  • 34.0 mm (1)
  • 40.0 mm (1)
  • 47.0 mm (1)
  • 48.0 mm (1)
  • 57.0 mm (1)
  • 63.0 mm (1)
  • 72.0 mm (1)
  • 82.0 mm (1)
Reach Min to Reach Max
Over All Length [L]
Over All Length [L]
  • 5.197 in (1)
  • 5.591 in (1)
  • 5.984 in (1)
  • 6.378 in (2)
  • 6.969 in (1)
  • 7.559 in (1)
  • 8.346 in (1)
Over All Length [L] Min to Over All Length [L] Max
Over All Length [L]
Over All Length [L]
  • 132.0 mm (1)
  • 142.0 mm (1)
  • 152.0 mm (1)
  • 162.0 mm (2)
  • 177.0 mm (1)
  • 192.0 mm (1)
  • 212.0 mm (1)
Over All Length [L] Min to Over All Length [L] Max
Corner configuration
Corner Radius
Corner Radius
  • 0.0 in (2)
  • 0.031 in (7)
  • 0.039 in (7)
  • 0.04 in (4)
  • 0.052 in (2)
  • 0.063 in (7)
  • 0.079 in (3)
  • 0.103 in (1)
  • 0.119 in (2)
  • 0.125 in (1)
  • 0.157 in (2)
  • 0.197 in (1)
Corner Radius Min to Corner Radius Max
Corner Radius
Corner Radius
  • 0.0 mm (2)
  • 0.8 mm (7)
  • 1.0 mm (7)
  • 1.026 mm (4)
  • 1.3 mm (2)
  • 1.6 mm (7)
  • 2.0 mm (3)
  • 2.6 mm (1)
  • 3.0 mm (2)
  • 3.176 mm (1)
  • 4.0 mm (2)
  • 5.0 mm (1)
Corner Radius Min to Corner Radius Max
Application
Grade Of Cutting Tool
Grade Of Cutting Tool
  • KC505M (6)
  • KC515M (8)
  • KC530M (8)
  • KCPH15 (7)
  • KCPK10 (8)
  • KCPK25 (6)
  • KNS10 (6)
Front-End
Neck Diameter
Neck Diameter
  • 0.414 in (2)
  • 0.551 in (2)
  • 0.709 in (2)
  • 0.882 in (1)
  • 1.127 in (1)
Neck Diameter Min to Neck Diameter Max
Neck Diameter
Neck Diameter
  • 10.5 mm (2)
  • 14.0 mm (2)
  • 18.0 mm (2)
  • 22.401 mm (1)
  • 28.6 mm (1)
Neck Diameter Min to Neck Diameter Max
Back-End
Back-End Diameter
Back-End Diameter
  • 12.0 mm (2)
  • 16.0 mm (2)
  • 20.0 mm (2)
  • 25.0 mm (1)
  • 32.0 mm (1)
Back-End Diameter Min to Back-End Diameter Max
Back-End Diameter
Back-End Diameter
  • 0.473 in (2)
  • 0.63 in (2)
  • 0.787 in (2)
  • 0.984 in (1)
  • 1.26 in (1)
Back-End Diameter Min to Back-End Diameter Max
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SAP Material Number ISO Catalog Number ANSI Catalog Number [D1] Effective Cutting Diameter [D1] Effective Cutting Diameter [D] Adapter / Shank / Bore Diameter [D] Adapter / Shank / Bore Diameter [D3] Neck Diameter [D3] Neck Diameter [L] Overall Length [L] Overall Length [L1] Gage Length [L1] Gage Length [L2] Head Length [L2] Head Length [AP1MAX] 1st Maximum Cutting Depth [AP1MAX] 1st Maximum Cutting Depth Number of Inserts [Z] Number of Flutes Coolant Supply Maximum Ramping Angle Max RPM Gage Insert
1918690 KDMT12R130A12SN KDMT12R130A12SN 12 .4724 12 .4724 10.5 .4134 132 5.196 132 5.196 34 1.338 3 .1181 1 2 N 3 40000 KDM.12.
    List price:
    $375.80 /each
    Your price:
    Qty
    1918691 KDMT12R150A12SN KDMT12R150A12SN 12 .4724 12 .4724 10.5 .4134 152 5.984 152 5.984 48 1.889 3 .1181 1 2 N 3 40000 KDM.12.
      List price:
      $375.80 /each
      Your price:
      Qty
      1918692 KDMT16R140A16SN KDMT16R140A16SN 16 .63 16 .6299 14 .5512 142 5.59 142 5.59 40 1.574 4 .1575 1 2 N 3 40000 KDM.16.
        List price:
        $240.25 /each
        Your price:
        Qty
        1918693 KDMT16R160A16SN KDMT16R160A16SN 16 .63 16 .6299 14 .5512 162 6.378 162 6.378 57 2.244 4 .1575 1 2 N 3 40000 KDM.16.
          List price:
          $384.18 /each
          Your price:
          Qty
          1918694 KDMT20R160A20SN KDMT20R160A20SN 20 .7874 20 .7874 18 .7087 162 6.378 162 6.378 47 1.85 5 .1969 1 2 N 3 40000 KDM.20.
            List price:
            $242.83 /each
            Your price:
            Qty
            1918695 KDMT20R175A20SN KDMT20R175A20SN 20 .7874 20 .7874 18 .7087 177 6.968 177 6.968 63 2.48 5 .1969 1 2 N 3 40000 KDM.20.
              List price:
              $402.54 /each
              Your price:
              Qty
              1918697 KDMT25R190A25SN KDMT25R190A25SN 25 .9843 25 .9843 22.4 .8819 192 7.559 192 7.559 72 2.834 6 .2362 1 2 N 3 40000 KDM.25.
                List price:
                $382.85 /each
                Your price:
                Qty
                1918699 KDMT32R210A32SN KDMT32R210A32SN 32 1.259 32 1.259 28.6 1.126 212 8.346 212 8.346 82 3.228 8 .315 1 2 N 3 40000 KDM.32.
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