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ISO Turning Insert • Negative D-Style
ISO Turning Insert • Negative D-Style
ISO Turning Insert • Negative D-Style
ISO Turning Insert • Negative D-Style
ISO Turning Insert • Negative D-Style
ISO Turning Insert • Negative D-Style

Kendex™ • Negative Inserts • DNGX

ISO Turning Insert • Negative D-Style

Workpiece Materials

K Cast Iron
S High-Temp Alloys
H Hardened Materials
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Workpiece Material
Workpiece Material
  • K Cast Iron (19)
    • K1
      Gray Cast Iron 120-290 HB; <32 HRC; 125-500 N/mm^2 UTS
      (19)
    • K2
      Low and Medium Strength CGI and Ductile Irons 130-260 HB; <28 HRC; <600 N/mm^2 UTS
      (18)
    • K3
      High Strength Ductile and Austempered Ductile Iron 180-350 HB; <43 HRC; >600 N/mm^2 UTS
      (2)
  • S High-Temp Alloys (10)
    • S2
      Cobalt-Based, Heat-Resistant Alloys 250-450 HB; 25-48 HRC; 1000-1450 N/mm^2 UTS
      (10)
  • H Hardened Materials (11)
    • H1
      Hardened Materials 44-48 HRC
      (11)
    • H2
      Hardened Materials 48-55 HRC
      (11)
    • H3
      Hardened Materials 56-60 HRC
      (11)
Cutting Condition
Cutting Condition
  • Heavily Interrupted Cut (5)
  • Lightly Interrupted Cut (5)
  • Smooth Cut (6)
  • Varying Depth of Cut (6)
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Corner Radius
  • 0.0313 in (7)
  • 0.0469 in (6)
  • 0.0625 in (5)
  • 0.3125 in (2)
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Corner Radius
Corner Radius
  • 0.8 mm (9)
  • 1.2 mm (6)
  • 1.6 mm (5)
Corner Radius Min to Corner Radius Max
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Minimum Depth of Cut
Minimum Depth of Cut
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Minimum Feed
Drilling Condition
Drilling Condition
  • Heavily Interrupted Cut (5)
  • Lightly Interrupted Cut (5)
  • Smooth Cut (6)
  • Varying Depth of Cut (6)
Grade Of Cutting Tool
Grade Of Cutting Tool
  • KB1340 (1)
  • KY1615 (1)
  • KY3500 (6)
  • KYHK15B (10)
  • KYK25 (2)
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Insert IC Size
  • 10.0 mm (9)
  • 12.7 mm (11)
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Insert IC Size
Insert IC Size
  • 0.3937 in (9)
  • 0.5 in (11)
Insert IC Size Min to Insert IC Size Max
Cutting Edge Length
Cutting Edge Length
  • 12.208 mm (9)
  • 15.504 mm (11)
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Cutting Edge Length
Cutting Edge Length
  • 0.4806 in (9)
  • 0.6104 in (11)
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Cutting Tool Material
Cutting Tool Material
  • B H (1)
  • C A (3)
  • C N (16)
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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
6770843 DNGX120708S02025 DNGX120708S02025 KYHK15B 10.0000 .3937 12.2080 .4806 7.9400 .3125 0.8000 .0312
    List price:
    $21.30 /each.
    Your price::
    Qty
    6770844 DNGX120708S02530 DNGX120708S02530 KYHK15B 10.0000 .3937 12.2080 .4806 7.9400 .3125 0.8000 .0312
      List price:
      $21.30 /each.
      Your price::
      Qty
      1183553 DNGX120708T02020 DNGX120708T02020 KY3500 10.0000 .3937 12.2080 .4806 7.9400 .3125 0.8000 .0312
        List price:
        $27.54 /each.
        Your price::
        Qty
        6770845 DNGX120712S02025 DNGX120712S02025 KYHK15B 10.0000 .3937 12.2080 .4806 7.9400 .3125 1.2000 .0468
          List price:
          $21.30 /each.
          Your price::
          Qty
          6770846 DNGX120712S02530 DNGX120712S02530 KYHK15B 10.0000 .3937 12.2080 .4806 7.9400 .3125 1.2000 .0468
            List price:
            $21.30 /each.
            Your price::
            Qty
            1183554 DNGX120712T02020 DNGX120712T02020 KY3500 10.0000 .3937 12.2080 .4806 7.9400 .3125 1.2000 .0468
              List price:
              $27.54 /each.
              Your price::
              Qty
              3856518 DNGX120712T02020 DNGX120712T02020 KYK25 10.0000 .3937 12.2080 .4806 7.9400 .3125 1.2000 .0468
                List price:
                $23.46 /each.
                Your price::
                Qty
                6770847 DNGX120716S02025 DNGX120716S02025 KYHK15B 10.0000 .3937 12.2080 .4806 7.9400 .3125 1.6000 .0625
                  List price:
                  $21.30 /each.
                  Your price::
                  Qty
                  1183555 DNGX120716T02020 DNGX120716T02020 KY3500 10.0000 .3937 12.2080 .4806 7.9400 .3125 1.6000 .0625
                    List price:
                    $27.54 /each.
                    Your price::
                    Qty
                    3960811 DNGX150416S02020 DNGX434S0820 KB1340 12.7000 .5000 15.5040 .6104 4.7600 .1875 1.6000 .0625
                      List price:
                      $233.08 /each.
                      Your price::
                      Qty
                      6770837 DNGX150708S02025 DNGX452S0825 KYHK15B 12.7000 .5000 15.5040 .6104 7.9400 .3125 0.8000 .0312
                        List price:
                        $21.55 /each.
                        Your price::
                        Qty
                        6770838 DNGX150708S02530 DNGX452S1030 KYHK15B 12.7000 .5000 15.5040 .6104 7.9400 .3125 0.8000 .0312
                          List price:
                          $21.55 /each.
                          Your price::
                          Qty
                          1881297 DNGX150708T02020 DNGX452T0820 KY1615 12.7000 .5000 15.5040 .6104 7.9400 .3125 0.8000 .0312
                            List price:
                            $22.08 /each.
                            Your price::
                            Qty
                            1183562 DNGX150708T02020 DNGX452T0820 KY3500 12.7000 .5000 15.5040 .6104 7.9400 .3125 0.8000 .0312
                              List price:
                              $30.25 /each.
                              Your price::
                              Qty
                              6770839 DNGX150712S02025 DNGX453S0825 KYHK15B 12.7000 .5000 15.5040 .6104 7.9400 .3125 0.8000 .3125
                                List price:
                                $21.55 /each.
                                Your price::
                                Qty
                                6770841 DNGX150712S02530 DNGX453S1030 KYHK15B 12.7000 .5000 15.5040 .6104 7.9400 .3125 0.8000 .3125
                                  List price:
                                  $21.55 /each.
                                  Your price::
                                  Qty
                                  1183563 DNGX150712T02020 DNGX453T0820 KY3500 12.7000 .5000 15.5040 .6104 7.9400 .3125 1.2000 .0468
                                    List price:
                                    $30.25 /each.
                                    Your price::
                                    Qty
                                    3856520 DNGX150712T02020 DNGX453T0820 KYK25 12.7000 .5000 15.5040 .6104 7.9400 .3125 1.2000 .0468
                                      List price:
                                      $25.71 /each.
                                      Your price::
                                      Qty
                                      6770842 DNGX150716S02025 DNGX454S0825 KYHK15B 12.7000 .5000 15.5040 .6104 7.9400 .3125 1.6000 .0625
                                        List price:
                                        $21.55 /each.
                                        Your price::
                                        Qty
                                        1183564 DNGX150716T02020 DNGX454T0820 KY3500 12.7000 .5000 15.5040 .6104 7.9400 .3125 1.6000 .0625
                                          List price:
                                          $30.25 /each.
                                          Your price::
                                          Qty
                                          List price:
                                          Discount: %
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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
                                          • 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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