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COVID-19: How Kennametal is responding
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ISO Turning Inserts

Kenloc™ Inserts

Features and benefits
  • Beyond™ Drive™ grades included.
Product specifications
Product # 3758135
ISO Catalog Number CNMA120412
ANSI Catalog Number CNMA433
Grade KCK20
[D] Insert IC Size Metric 12,70
[D] Insert IC Size Fraction 1/2
[L10] Ins Cut Edge Length mm 12,89
[L10] Ins Cut Edge Length In .5077
[S] Insert Thickness Metric 4,760
[S] Insert Thickness Fraction 3/16
[REPSILON] Corner Radius MM 1,200
[REPSILON] Corner Radius Frac 3/64
[D1] Insert Hole Size Metric 5,160
[D1] Insert Hole Size Inch .2031
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Product # ISO Catalog Number ANSI Catalog Number Grade First Choice NA First Choice EMEA First Choice AP [D] Insert IC Size Metric [D] Insert IC Size Fraction [L10] Ins Cut Edge Length mm [L10] Ins Cut Edge Length In [S] Insert Thickness Metric [S] Insert Thickness Fraction [REPSILON] Corner Radius MM [REPSILON] Corner Radius Frac [D1] Insert Hole Size Metric [D1] Insert Hole Size Inch
1160013 CNMA120408 CNMA432 K68 N N N 12,70 1/2 12,89 .5077 4,760 3/16 0,800 1/32 5,160 .2031
1866361 CNMA120408T02020 CNMA432T0820 KY3500 N N N 12,70 1/2 12,89 .5077 4,760 3/16 0,800 1/32 5,160 .2031
1866362 CNMA120412T02020 CNMA433T0820 KY3500 N N N 12,70 1/2 12,89 .5077 4,760 3/16 1,200 3/64 5,160 .2031
1866374 CNMA120416T02020 CNMA434T0820 KY3500 N N N 12,70 1/2 12,89 .5077 4,760 3/16 1,600 1/16 5,160 .2031
1866375 CNMA160612T02020 CNMA543T0820 KY3500 N N N 15,87 5/8 16,12 .6346 6,350 1/4 1,200 3/64 6,350 .2500
1866376 CNMA160616T02020 CNMA544T0820 KY3500 N N N 15,87 5/8 16,12 .6346 6,350 1/4 1,600 1/16 6,350 .2500
3751896 CNMA120408 CNMA432 KCK05 N N N 12,70 1/2 12,89 .5077 4,760 3/16 0,800 1/32 5,160 .2031
3751898 CNMA120412 CNMA433 KCK05 N N N 12,70 1/2 12,89 .5077 4,760 3/16 1,200 3/64 5,160 .2031
3752128 CNMA120408 CNMA432 KCK15 Y Y Y 12,70 1/2 12,89 .5077 4,760 3/16 0,800 1/32 5,160 .2031
3752129 CNMA120412 CNMA433 KCK15 Y Y Y 12,70 1/2 12,89 .5077 4,760 3/16 1,200 3/64 5,160 .2031
3752130 CNMA120416 CNMA434 KCK15 Y Y Y 12,70 1/2 12,89 .5077 4,760 3/16 1,600 1/16 5,160 .2031
3752131 CNMA160608 CNMA542 KCK15 Y Y Y 15,87 5/8 16,12 .6346 6,350 1/4 0,800 1/32 6,350 .2500
3752132 CNMA160612 CNMA543 KCK15 Y Y Y 15,87 5/8 16,12 .6346 6,350 1/4 1,200 3/64 6,350 .2500
3752143 CNMA160616 CNMA544 KCK15 Y Y Y 15,87 5/8 16,12 .6346 6,350 1/4 1,600 1/16 6,350 .2500
3752144 CNMA190612 CNMA643 KCK15 Y Y Y 19,05 3/4 19,34 .7616 6,350 1/4 1,200 3/64 7,930 .3125
3758133 CNMA120404 CNMA431 KCK20 N N N 12,70 1/2 12,89 .5077 4,760 3/16 0,400 1/64 5,160 .2031
3758134 CNMA120408 CNMA432 KCK20 N N N 12,70 1/2 12,89 .5077 4,760 3/16 0,800 1/32 5,160 .2031
3758135 CNMA120412 CNMA433 KCK20 N N N 12,70 1/2 12,89 .5077 4,760 3/16 1,200 3/64 5,160 .2031
3758136 CNMA120416 CNMA434 KCK20 N N N 12,70 1/2 12,89 .5077 4,760 3/16 1,600 1/16 5,160 .2031
3758137 CNMA160608 CNMA542 KCK20 N N N 15,87 5/8 16,12 .6346 6,350 1/4 0,800 1/32 6,350 .2500
3758138 CNMA160612 CNMA543 KCK20 N N N 15,87 5/8 16,12 .6346 6,350 1/4 1,200 3/64 6,350 .2500
3758141 CNMA190612 CNMA643 KCK20 N N N 19,05 3/4 19,34 .7616 6,350 1/4 1,200 3/64 7,930 .3125
3758142 CNMA190616 CNMA644 KCK20 N N N 19,05 3/4 19,34 .7616 6,350 1/4 1,600 1/16 7,930 .3125
3764792 CNMA120408S02020 CNMA432S0820 KB1340 N N N 12,70 1/2 12,89 .5077 4,760 3/16 0,800 1/32 5,160 .2031
3764833 CNMA120412S02020 CNMA433S0820 KB1340 N N N 12,70 1/2 12,89 .5077 4,760 3/16 1,200 3/64 5,160 .2031
5542179 CNMA120412 CNMA433 KCK15B N N N 12,70 1/2 12,89 .5077 4,760 3/16 1,200 3/64 5,160 .2031
5542210 CNMA160612 CNMA543 KCK15B N N N 15,87 5/8 16,12 .6346 6,350 1/4 1,200 3/64 6,350 .2500
5640403 CNMA160616 CNMA544 KCK20B N N N 15,87 5/8 16,12 .6346 6,350 1/4 1,600 1/16 6,350 .2500
5640406 CNMA190616 CNMA644 KCK20B N N N 19,05 3/4 19,34 .7616 6,350 1/4 1,600 1/16 7,930 .3125
5641360 CNMA120408 CNMA432 KCK20B N N N 12,70 1/2 12,89 .5077 4,760 3/16 0,800 1/32 5,160 .2031
5641361 CNMA120412 CNMA433 KCK20B N N N 12,70 1/2 12,89 .5077 4,760 3/16 1,200 3/64 5,160 .2031
5641363 CNMA160612 CNMA543 KCK20B N N N 15,87 5/8 16,12 .6346 6,350 1/4 1,200 3/64 6,350 .2500
5698261 CNMA120404 CNMA431 KCK15B N N N 12,70 1/2 12,89 .5077 4,760 3/16 0,400 1/64 5,160 .2031
5698262 CNMA120408 CNMA432 KCK15B N N N 12,70 1/2 12,89 .5077 4,760 3/16 0,800 1/32 5,160 .2031
5698263 CNMA120416 CNMA434 KCK15B N N N 12,70 1/2 12,89 .5077 4,760 3/16 1,600 1/16 5,160 .2031
5698265 CNMA190612 CNMA643 KCK15B N N N 19,05 3/4 19,34 .7616 6,350 1/4 1,200 3/64 7,930 .3125
5698266 CNMA190616 CNMA644 KCK15B N N N 19,05 3/4 19,34 .7616 6,350 1/4 1,600 1/16 7,930 .3125
5883000 CNMA120404 CNMA431 KCK05B N N N 12,70 1/2 12,89 .5077 4,760 3/16 0,400 1/64 5,160 .2031

Product Usage

P
M
K
N
H
S
C
K68 KB1340 KCK05 KCK05B KCK15 KCK15B KCK20 KCK20B KY3500

Grades

  • K68

    Composition: A hard, low binder content, alloyed grade WC/Co fine-grain grade.
    Application: The K68 grade has excellent abrasion resistance for machining cast irons, austenitic stainless steels, non-ferrous metals, non-metals, and as an alternative to the K313 grade on most high-temperature alloys. Use as a general-purpose grade for non-ferrous materials.

  • KB1340

    Composition: A high CBN content, solid PCBN insert having multiple cutting edges.
    Application: Applied in roughing to finishing of fully pearlitic grey cast iron, chilled irons, high-chrome alloyed steels, sintered powdered metals, and heavy cuts in hardened steels (>45 HRC). Also use 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.

  • KCK05

    Composition: A multilayered coating with moderately thick MTCVD TiCN-Al2O3 layers over a highly deformation-resistant carbide substrate.
    Application: Designed for high-speed machining of grey and ductile irons. The substrate and coating architecture together with CW5 post-coat treatment ensure a tremendous tool life advantage, especially when cutting higher tensile strength ductile and grey irons where workpiece size consistency and reliability of tool life are critical. Excellent both in straight and varied depths of cut.

  • KCK05B

    Composition: A multilayered coating with moderately thick MTCVD TiCN-Al2O3-TiOCN layers over a highly deformation-resistant carbide substrate.

    Application: Designed for high-speed machining of gray and ductile irons. The substrate and coating architecture together with CW5 post-coat treatment ensure a tremendous tool life advantage, especially when cutting higher tensile strength ductile and gray irons where workpiece size consistency and reliability of tool life are critical. Excellent both in straight and varied depths of cut.

  • KCK15

    Composition: A multilayered coating with thick MTCVD TiCN-Al2O3 layers applied over a carbide substrate specifically engineered for cast irons.
    Application: Delivers consistent performance in high-speed machining of grey and ductile irons. The substrate design permits the insert to stay in the cut for a long time at high speeds with minimum deformation. The thick CVD coating and post-coat treatment provide superior wear resistance ensuring long and consistent tool life. Can be applied both in straight and lightly interrupted cuts.

  • KCK15B

    Composition: A multilayered coating with thick MTCVD TiCN-Al2O3-TiOCN layers applied over a carbide substrate specifically engineered for cast irons.

    Application: Delivers consistent performance in high-speed machining of gray and ductile irons. The substrate design permits the insert to stay in the cut for a long time at high speeds with minimum deformation. The thick CVD coating and post-coat treatment provide superior wear resistance ensuring long and consistent tool life. Can be applied both in straight and lightly interrupted cuts.

  • KCK20

    Composition: A specially toughened MTCVD-TICN-Al2O3 coating over a wear-resistant substrate.
    Application: The KCK20 grade is specifically engineered to maximise coating adhesion and edge strength making this grade ideal in wet interrupted cutting of grey and ductile irons. It can be used in a wide range of applications from finishing to roughing to maximise productivity wherever strength and reliability are needed.

  • KCK20B

    Composition: A specially toughened MTCVD-TICN-Al2O3-TiOCN coating over a wear-resistant substrate.

    Application: The KCK20 grade is specifically engineered to maximize coating adhesion and edge strength making this grade ideal in wet interrupted cutting of gray and ductile irons. It can be used in a wide range of applications from finishing to roughing to maximize productivity wherever strength and reliability are needed.

  • KY3500

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