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The SUMOTURN line includes external and internal tools, as well as large sized inserts for roughing and heavy duty applications.. Rough and heavy duty turning applications feature relatively large depths of cut, high feed rates and rough, non-uniform surfaces to be machined. These applications require both tough carbide grades and specifically designed chipformers. The tools are equipped with a lever lock clamping system, which is recommended for large depths of cut and interrupted cut applications.
The SUMOTURN inserts are coated with ISCAR’s innovative SUMOTEC grades.
In order to assist customers in selecting the correct grade for their applications, ISCAR developed new coating processes for the SUMOTEC grades featuring different colors for easy identification. (The older SUMOTEC grades featured the same gold color.)
This coating technology improves insert life by 5 to 12% compared to the previous coatings.

6015 and 6025

Used for stainless steel
(ISO M materials), can be identified by a bright purple color.

CVD Coating
SUMO Post Treatment

  • Improved toughness
  • Improved chipping resistance
  • Smooth chip flow
    Alpha Alumina (Al2O3)
  • Improved crack resistance
  • High resistance to crater wear
  • Improved chipping resistance
    Intermediate Layer
  • Improved coating resistance
          to peeling
    TiCN (MT)
  • Improved flank wear resistance
    TiN
  • Improved adhesion to substrate
    Substrate
  • High toughness
  • 5005 and 5010

    Used for machining cast iron
    (ISO K materials), can be identified by a grey color.

    CVD Coating
    SUMO Post Treatment

  • Improved toughness
  • Improved chipping resistance
  • Smooth chip flow
    Alpha Alumina (Al2O3)
  • Thick alpha Al2O3 layer offers high
           resistance to crater wear
  • Improved chipping resistance
  • High speed capability
    Intermediate Layer
  • Improved coating resistance
          to peeling
    TiCN (MT)
  • Improved flank wear resistance
    TiN
  • Improved adhesion to substrate
    Substrate
  • High toughness
  • Deformation resistance
  • 8150, 8250 and 8350

    Mainly used for machining steel (ISO P materials), their existing gold color is maintained for easy identification.
    CVD Coating
    SUMO Post Treatment

  • Improved toughness
  • Improved chipping resistance
  • Smooth chip flow
    Alpha Alumina (Al2O3)
  • Improved crack resistance
  • High resistance to crater wear
    Intermediate Layer
  • Improved coating resistance
          to peeling
    TiCN (MT)
  • Improved flank wear resistance
    TiN
  • Improved adhesion to substrate
    Substrate
  • High toughness


  • Based on accumulated experience with the ISO TURN line, ISCAR designed a range of chipformers which, together with the most advanced SUMOTEC grades, provide higher productivity, tool life and performance reliability.
    The inserts carry systematic designations in order to facilitate insert selection by the end user.

    Roughing
    Medium
    Finishing


    Code Key


    The chipformer code key consists of three characters (and an optional fourth character).
    For example: CNMG 120408-M3P

    ISO Standard Destination 1234
    CNMG 12 04 08 - M 3 P W


    1.Application
     Feed(mm/rev)ap(mm)
    FFinishing0.08-0.200.30-1.50
    MMedium0.15-0.450.70-4.50
    RRoughing0.35-0.703.00-7.00
    HHeavy Roughing0.60-1.506.00-20.0
    2. Chip Load
    2For special cases
    3General recommendation for all applications
    4For spaecial cases
    3.Workpiece Material Group
    PSteel
    MStainless Steel
    KCast Iron
    NNonferrous & Aluminum
    SHigh Temperature Alloys
    4.Wiper Geometry
     Without wiper
    WWiper Geometry