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ISO Turning Insert • Negative C-Style
ISO Turning Insert • Negative C-Style
ISO Turning Insert • Negative C-Style
ISO Turning Insert • Negative C-Style
ISO Turning Insert • Negative C-Style
ISO Turning Insert • Negative C-Style

Kendex™ • Negative Inserts • CNGX

ISO Turning Insert • Negative C-Style

Workpiece Materials

K Cast Iron
S High-Temp Alloys
H Hardened Materials
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  • 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
      (15)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (4)
  • S High-Temp Alloys (10)
    • S1
      Iron-Based, Heat-Resistant Alloys 160-260 HB; 25-48 HRC; 500-1200 N/mm^2 UTS
      (5)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS
      (10)
    • S3
      Nickel-Based, Heat Resistant Alloys 160-450 HB; <48 HRC; 600-1700 N/mm^2 UTS
      (5)
  • H Hardened Materials (7)
    • H1
      Hardened Materials 44-48 HRC
      (7)
    • H2
      Hardened Materials 48-55 HRC
      (7)
    • H3
      Hardened Materials 56-60 HRC
      (7)
Cutting Condition
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  • Heavily Interrupted Cut (6)
  • Lightly Interrupted Cut (7)
  • Smooth Cut (9)
  • Varying Depth of Cut (9)
Cutting Edges Per Insert
Cutting Edges Per Insert
  • 4.0 (22)
  • 8.0 (5)
Cutting Edges Per Insert Min to Cutting Edges Per Insert Max
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Corner Radius
  • 0.0312 in (1)
  • 0.0313 in (6)
  • 0.0469 in (11)
  • 0.0625 in (9)
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Corner Radius
Corner Radius
  • 0.794 mm (1)
  • 0.8 mm (6)
  • 1.191 mm (1)
  • 1.2 mm (10)
  • 1.588 mm (2)
  • 1.6 mm (7)
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Minimum Depth of Cut
Minimum Depth of Cut
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Drilling Condition
Drilling Condition
  • Heavily Interrupted Cut (6)
  • Lightly Interrupted Cut (7)
  • Smooth Cut (9)
  • Varying Depth of Cut (9)
Grade Of Cutting Tool
Grade Of Cutting Tool
  • KB1340 (2)
  • KBK45 (3)
  • KY1540 (1)
  • KY1615 (2)
  • KY3500 (4)
  • KYHK15B (5)
  • KYK10 (2)
  • KYK25 (4)
  • KYS25 (2)
  • KYS30 (2)
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  • 12.7 mm (25)
  • 15.875 mm (2)
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  • 0.5 in (25)
  • 0.625 in (2)
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Cutting Edge Length
  • 12.896 mm (21)
  • 12.9 mm (4)
  • 16.12 mm (2)
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Cutting Edge Length
Cutting Edge Length
  • 0.5077 in (21)
  • 0.508 in (4)
  • 0.6346 in (2)
Cutting Edge Length Min to Cutting Edge Length Max
Cutting Tool Material
Cutting Tool Material
  • B H (2)
  • C A (6)
  • C N (16)
  • H W (3)
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SAP Material Number ISO Catalog Number ANSI Catalog Number Grade [D] Insert IC Size [D] Insert IC Size [L10] Insert Cutting Edge Length [L10] Insert Cutting Edge Length [S] Insert Thickness [S] Insert Thickness [Rε] Corner Radius [Rε] Corner Radius
6082140 CNGX120408T02020 CNGX432T0820 KBK45 12.7000 .5000 12.9000 .5080 4.7620 .1875 0.7940 .0312
    List price:
    $147.60 /each.
    Your price::
    Qty
    3960807 CNGX120412S01015 CNGX433S0415 KB1340 12.7000 .5000 12.8960 .5077 4.7600 .1875 1.2000 .0468
      List price:
      $183.79 /each.
      Your price::
      Qty
      6082231 CNGX120412S02020 CNGX433S0820 KBK45 12.7000 .5000 12.9000 .5080 4.7620 .1875 1.1910 .0469
        List price:
        $147.60 /each.
        Your price::
        Qty
        3960806 CNGX120416S02020 CNGX434S0820 KB1340 12.7000 .5000 12.9000 .5080 4.7620 .1875 1.5880 .0625
          List price:
          $183.79 /each.
          Your price::
          Qty
          6082232 CNGX120416S02020 CNGX434S0820 KBK45 12.7000 .5000 12.9000 .5080 4.7620 .1875 1.5880 .0625
            List price:
            $147.60 /each.
            Your price::
            Qty
            6770832 CNGX120708S02025 CNGX452S0825 KYHK15B 12.7000 .5000 12.8960 .5077 7.9400 .3125 0.8000 .0312
              List price:
              $19.60 /each.
              Your price::
              Qty
              6770833 CNGX120708S02530 CNGX452S1030 KYHK15B 12.7000 .5000 12.8960 .5077 7.9400 .3125 0.8000 .0312
                List price:
                $19.60 /each.
                Your price::
                Qty
                4129568 CNGX120708T01020 CNGX452T0420 KYS25 12.7000 .5000 12.8960 .5077 7.9400 .3125 0.8000 .0312
                  List price:
                  $30.07 /each.
                  Your price::
                  Qty
                  1881272 CNGX120708T02020 CNGX452T0820 KY1615 12.7000 .5000 12.8960 .5077 7.9400 .3125 0.8000 .0312
                    List price:
                    $20.91 /each.
                    Your price::
                    Qty
                    1183550 CNGX120708T02020 CNGX452T0820 KY3500 12.7000 .5000 12.8960 .5077 7.9400 .3125 0.8000 .0312
                      List price:
                      $30.58 /each.
                      Your price::
                      Qty
                      3856514 CNGX120708T02020 CNGX452T0820 KYK25 12.7000 .5000 12.8960 .5077 7.9400 .3125 0.8000 .0312
                        List price:
                        $26.12 /each.
                        Your price::
                        Qty
                        6770834 CNGX120712S02025 CNGX453S0825 KYHK15B 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.2000 .0468
                          List price:
                          $19.60 /each.
                          Your price::
                          Qty
                          6770835 CNGX120712S02530 CNGX453S1030 KYHK15B 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.2000 .0468
                            List price:
                            $19.60 /each.
                            Your price::
                            Qty
                            2406924 CNGX120712T01020 CNGX453T0420 KY1540 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.2000 .0468
                              List price:
                              $33.28 /each.
                              Your price::
                              Qty
                              4129569 CNGX120712T01020 CNGX453T0420 KYS25 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.2000 .0468
                                List price:
                                $30.07 /each.
                                Your price::
                                Qty
                                4146461 CNGX120712T01020 CNGX453T0420 KYS30 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.2000 .0468
                                  List price:
                                  $29.77 /each.
                                  Your price::
                                  Qty
                                  1881273 CNGX120712T02020 CNGX453T0820 KY1615 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.2000 .0468
                                    List price:
                                    $20.91 /each.
                                    Your price::
                                    Qty
                                    1183551 CNGX120712T02020 CNGX453T0820 KY3500 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.2000 .0468
                                      List price:
                                      $30.58 /each.
                                      Your price::
                                      Qty
                                      3856515 CNGX120712T02020 CNGX453T0820 KYK25 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.2000 .0468
                                        List price:
                                        $26.12 /each.
                                        Your price::
                                        Qty
                                        3876321 CNGX120712T02020 CNGX453T0820 KYK10 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.2000 .0468
                                          List price:
                                          $25.35 /each.
                                          Your price::
                                          Qty
                                          4146462 CNGX120716E CNGX454E KYS30 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.6000 .0625
                                            List price:
                                            $29.77 /each.
                                            Your price::
                                            Qty
                                            6770836 CNGX120716S02025 CNGX454S0825 KYHK15B 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.6000 .0625
                                              List price:
                                              $19.60 /each.
                                              Your price::
                                              Qty
                                              1183552 CNGX120716T02020 CNGX454T0820 KY3500 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.6000 .0625
                                                List price:
                                                $30.58 /each.
                                                Your price::
                                                Qty
                                                3856516 CNGX120716T02020 CNGX454T0820 KYK25 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.6000 .0625
                                                  List price:
                                                  $26.12 /each.
                                                  Your price::
                                                  Qty
                                                  3876322 CNGX120716T02020 CNGX454T0820 KYK10 12.7000 .5000 12.8960 .5077 7.9400 .3125 1.6000 .0625
                                                    List price:
                                                    $25.35 /each.
                                                    Your price::
                                                    Qty
                                                    1183570 CNGX160716T02020 CNGX554T0820 KY3500 15.8750 .6250 16.1200 .6346 7.9400 .3125 1.6000 .0625
                                                      List price:
                                                      $34.64 /each.
                                                      Your price::
                                                      Qty
                                                      3856517 CNGX160716T02020 CNGX554T0820 KYK25 15.8750 .6250 16.1200 .6346 7.9400 .3125 1.6000 .0625
                                                        List price:
                                                        $29.46 /each.
                                                        Your price::
                                                        Qty
                                                        List price:
                                                        Discount: %
                                                        Your price::
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                                                        Grades

                                                        • KB1340

                                                          Composition: A high CBN content, solid PcBN insert having multiple cutting edges.
                                                          Application: Applied in roughing to finishing of fully pearlitic gray cast iron, chilled irons, high-chrome alloyed steels, and heavy cuts in hardened steels (>45 HRC). The solid PcBN insert offers better security and shock resistance compared to tipped PcBN inserts, while also enabling deeper depth-of-cut capabilities.

                                                          K Cast Iron
                                                        • KBK45

                                                          Composition: A PVD TiN coated high CBN content, solid PcBN insert having multiple cutting edges.
                                                          Application: Applied in roughing to finishing of gray and hard cast irons. Also used for finishing chilled cast iron and fully pearlitic cast iron. The solid PcBN insert offers better security and shock resistance compared to tipped PcBN inserts, while also enabling deeper depth-of-cut capabilities.

                                                          K Cast Iron
                                                        • KY1310
                                                        • KY1320

                                                          composition: An uncoated, advanced, silicon nitride grade
                                                          application: High-speed roughing to finishing of gray cast iron.
                                                          The KY1320 grade, with better wear resistance, is an ideal compliment to
                                                          the KY3500 grade.

                                                        • KY1540

                                                          composition: The KY1540 ceramic is the latest and most advanced
                                                          sialon material ever developed.
                                                          application: Combines excellent wear properties, fracture toughness,
                                                          and thermal shock resistance for general purpose to finish machining
                                                          of high-temperature alloys. Provides superior depth-of-cut notch
                                                          resistance as compared to whisker ceramics.

                                                          S High-Temp Alloys
                                                        • KY1615

                                                          Composition: An advanced Alumina/TiC black ceramic grade.
                                                          Application: Great combination of toughness and wear resistance; used for machining alloy steels, tool steels, and stainless steels to 60 HRC (653 HB). It is also applied in finish turning and boring of cast irons.

                                                          H Hardened Materials
                                                        • KY3400

                                                          composition: CVD-coated pure silicon nitride grade.
                                                          application: Excellent combination of toughness and edge wear
                                                          resistance; used for general purpose machining of gray cast irons
                                                          and ductile or nodular cast irons.

                                                        • KY3500

                                                          A ceramic cutting material based on micro-grain Si3N4 primarily for use in light to general machining of gray cast iron and ferritic ductile cast iron. Dry machining is preferred while using this grade.

                                                          K Cast Iron
                                                        • KYHK15B

                                                          Composition: A PVD coated mixed aluminum oxide composite ceramic (Al2O3) with embedded fine-grained titanium carbonitride (TiCN).
                                                          Application: KYHK15B is suitable for turning hardened steels (45 HRC–60 HRC), finishing of cast irons and high temperature alloys. This advanced ceramic offers maximum edge strength and excellent wear resistance by achieving performance to compete with CBN.

                                                          S High-Temp Alloys
                                                          H Hardened Materials
                                                          K Cast Iron
                                                        • KYK10

                                                          Composition: An advanced SiAlON ceramic grade.
                                                          Application: Provides maximum wear resistance. Used for high-speed continuous turning of gray cast iron, including through scale. To be used for varying cast iron machinability.

                                                          K Cast Iron
                                                        • KYK25

                                                          Composition: Pure silicon nitride ceramic with an alumina CVD coating.
                                                          Application: Excellent combination of toughness and edge wear resistance. Used for general purpose machining of gray, ductile, or nodular cast irons. To be used for varying cast iron machinability.

                                                          K Cast Iron
                                                        • KYK35

                                                          Composition: Pure silicon nitride grade.
                                                          Application: Maximum toughness; used at high feed rates for rough machining of grey cast iron,
                                                          including machining through interruptions.

                                                        • KYS25

                                                          Composition: SiAlON ceramic with a multi-layered alumina-TiCN CVD coating.
                                                          Application: Compliments the KYS30 grade when machining high-temp and nickel-based alloys and cast materials with high Brinell hardness. This advanced CVD coating provides excellent chemical and depth-of-cut notch resistance compared to whisker ceramics.

                                                          S High-Temp Alloys
                                                        • KYS30

                                                          KYS30™ is the latest in the line of α/βSiAlON grades for general purpose to finish machining of high-temperature alloys. This grade provides excellent wear characteristics, with better toughness and thermal shock resistance than whisker ceramics. KYS30 also gives improved thermal stability.

                                                          S High-Temp Alloys
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