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Tangential Shoulder Milling

  • Mill 4-12KT?requires up to 15% less horsepower, enabling increased feed rates, even on 40 taper machines.
  • The proprietary insert design — featuring a triangular shaped margin — provides unprecedented stability in steel and cast iron applications.
  • Excellent floor finishes due to minimal axial runout.
  • With 7 grades, 7 corner radii, and depth-of-cut range up to .472" (12mm), the program offers versatility to cover many shoulder milling applications.
  • Left hand inserts with multiple corner nose radii for tailormade slot mills.
  • Fine pitch cutters for high productivity with low radial depth of cut (ae) when roughing and finishing in cast iron.
  • Reinforced HD Geometry inserts provide higher stability and lower risk of breakage in heavy and interrupted cuts.
  • NEW PSTS Inserts -?Precision pressed PU Geometry for the lowest cost per cutting edge. Strong cutting edges for higher productivity and increased MRRs.

Handle Severly Interrupted Cuts with Ease

The strong cutting edge of the Mill 4-12KT?inserts were designed to overcome challenging applications, heavy cuts and the most severe interruptions. Even after cutting "Swiss cheese," there was no visible wear and no chipping. If you have challenging applications to overcome, then this tangential milling cutter is the way to go.

Watch the video to see for yourself.

KMT_Innov20_IndexableMilling_006_007_EN_me.indd

Higher MRR & Lower Tool Costs?

Challenge: Improve cost-per-part (CPP) by increasing productivity when milling a dry roughing to finishing application.

Solution: Mill 4-12KT

Results: Increased chip load per tooth for higher MRR and improved surface finish without compromising tool life. Mill 4-12KT also lowered tool cost due to less inserts per load and had better repeatability.

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    • P Steel (85)
      • P0
        Low-Carbon Steels, Long Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(75)
      • P1
        Low-Carbon Steels, Short Chipping C < .25%; <125 HB; <530 N/mm^2 UTS(75)
      • P2
        Medium and High Carbon Steels C < .25%; <220 HB; <25 HRC; >530 N/mm^2 UTS(75)
      • P3
        Alloy Steels & Tool Steels C > .25%; <330 HB; <35 HRC; 600-850 N/mm^2 UTS(75)
      • P4
        Alloy Steels & Tool Steels C > .25%; 350-420 HB; 35-43 HRC; 850-1400 N/mm^2 UTS(75)
      • P5
        Ferritic, Martensitic, and PH Stainless Steels <330 HB; <35 HRC; 600-900 N/mm^2 UTS(85)
      • P6
        High Strength Ferritic, Martensitic, and PH Stainless Steels 350-450 HB; 35-43 HRC; 900-2400 N/mm^2 UTS(85)
    • M Stainless Steel (85)
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        Austenitic Stainless Steel 130-200 HB; <600 N/mm^2 UTS(85)
      • M2
        High Strength Austenitic Stainless and Cast Stainless Steels 150-230 HB; <25 HRC; >600 N/mm^2 UTS(85)
      • M3
        Duplex Stainless Steel 135-275 HB; <30 HRC; 500-1200 N/mm^2 UTS(85)
    • K Cast Iron (73)
      • K1
        Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS(73)
      • K2
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      • K3
        High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS(73)
    • S High-Temp Alloys (85)
      • S1
        Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS(75)
      • S2
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      • S3
        Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS(75)
      • S4
        Titanium and Titanium Alloys 300-400 HB; 33-43 HRC; 900-1600 N/mm^2 UTS(85)
    • H Hardened Materials (48)
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        Hardened Materials 44-48 HRC(48)
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