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Kennametal Top Notch Grooving Inserts

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Top Notch™ Grooving Tools and Beyond™ Inserts for Your Shallow Groove and Turn Operations

Primary Application

Top Notch Grooving is the proven solution for high productivity. The Top Notch system provides consistent tool performance, accurate indexing, and superior clamping to provide excellent surface finishing and superior tool life.

Features and Benefits

  • The Beyond PVD coated grades are designed to cut a variety of workpiece materials.
  • Rigid clamping securely locks insert in place through the toughest cuts.
  • Versatile design enables one system to handle O.D. and I.D. grooving, face grooving, back turning, undercutting, and even threading operations.
  • Chip control inserts provide excellent chip evacuation in grooving, and offer better chip control in multidirectional turning.

Click through to the products to see videos of them in action, and also find their related matching tools.

112 Item(s)

per page

Set Descending Direction

  1. NG-L

    General-purpose grooving. O-ring grooving. Circlip grooving. Neutral rake angle.

    Product Code Seat W RR T  
    NG2125L KC5010 » 2 3.18 0.19 2.79
    NG2125L KCU10 » 2 3.18 0.19 2.79
    NG2125L KCU25 » 2 3.18 0.19 2.79
    NG3125L K313 » 3 3.18 0.19 3.81
    NG3125L KC5010 » 3 3.18 0.19 3.81
    NG3125L KC5025 » 3 3.18 0.19 3.81
    NG3125L KC9110 » 3 3.18 0.19 3.81
    NG3125L KCU10 » 3 3.18 0.19 3.81
    NG3125L KCU25 » 3 3.18 0.19 3.81
    NG3125LEST KB1630 » 3 3.18 0.19 3.81
    NG3125LEST KD1425 » 3 3.18 0.19 3.81
    NG4125L K313 » 4 3.18 0.19 3.81
    NG4125L KC5010 » 4 3.18 0.19 3.81
    NG4125L KCU25 » 4 3.18 0.19 3.81
    NG-L

    NOTE Right hand inserts shown, left hand is mirror image.

  2. NG-LK

    Chip control geometry. General-purpose grooving. O-ring grooving. Circlip grooving. Light turning. 10°/Positive rake angle.

    Product Code Seat W RR T  
    NG2125LK KC5010 » 2 3.18 0.19 2.79
    NG2125LK KC5025 » 2 3.18 0.19 2.79
    NG2125LK KCU10 » 2 3.18 0.19 2.79
    NG2125LK KCU25 » 2 3.18 0.19 2.79
    NG3125LK KC5010 » 3 3.18 0.19 3.81
    NG3125LK KC5025 » 3 3.18 0.19 3.81
    NG3125LK KC9110 » 3 3.18 0.19 3.81
    NG3125LK KCU10 » 3 3.18 0.19 3.81
    NG3125LK KCU25 » 3 3.18 0.19 3.81
    NG4125LK KC5010 » 4 3.18 0.19 3.81
    NG4125LK KCU25 » 4 3.18 0.19 3.81
    NG-LK

    NOTE Right hand inserts shown, left hand is mirror image.

  3. NG-R

    General-purpose grooving. O-ring grooving. Circlip grooving. Neutral rake angle.

    Product Code Seat W RR T  
    NG2125R KC5010 » 2 3.18 0.19 2.79
    NG2125R KCU10 » 2 3.18 0.19 2.79
    NG2125R KCU25 » 2 3.18 0.19 2.79
    NG3125R K313 » 3 3.18 0.19 3.81
    NG3125R KC5010 » 3 3.18 0.19 3.81
    NG3125R KC5025 » 3 3.18 0.19 3.81
    NG3125R KC9110 » 3 3.18 0.19 3.81
    NG3125R KCU10 » 3 3.18 0.19 3.81
    NG3125R KCU25 » 3 3.18 0.19 3.81
    NG3125REST KB1630 » 3 3.18 0.19 3.81
    NG3125REST KD1425 » 3 3.18 0.19 3.81
    NG4125R K313 » 4 3.18 0.19 3.81
    NG4125R KC5010 » 4 3.18 0.19 3.81
    NG4125R KCU25 » 4 3.18 0.19 3.81
    NG-R

  4. NG-RK

    Chip control geometry. General-purpose grooving. O-ring grooving. Circlip grooving. Light turning. 10°/Positive rake angle.

    Product Code Seat W RR T  
    NG2125RK KC5010 » 2 3.18 0.19 2.79
    NG2125RK KC5025 » 2 3.18 0.19 2.79
    NG2125RK KCU10 » 2 3.18 0.19 2.79
    NG2125RK KCU25 » 2 3.18 0.19 2.79
    NG2125RK KT315 » 2 3.18 0.19 2.79
    NG3125RK KC5010 » 3 3.18 0.19 3.81
    NG3125RK KC5025 » 3 3.18 0.19 3.81
    NG3125RK KC9110 » 3 3.18 0.19 3.81
    NG3125RK KCU10 » 3 3.18 0.19 3.81
    NG3125RK KCU25 » 3 3.18 0.19 3.81
    NG3125RK KT315 » 3 3.18 0.19 3.81
    NG4125RK KC5010 » 4 3.18 0.19 3.81
    NG4125RK KCU25 » 4 3.18 0.19 3.81
    NG-RK

  5. NGD-LK

    Chip control geometry. Deep grooving. Light turning. 10°/Positive rake angle.

    Product Code Seat W RR T  
    NGD3125LK K313 » 3 3.18 0.19 6.35
    NGD3125LK KC5010 » 3 3.18 0.19 6.35
    NGD3125LK KC5025 » 3 3.18 0.19 6.35
    NGD3125LK KCU10 » 3 3.18 0.19 6.35
    NGD3125LK KCU25 » 3 3.18 0.19 6.35
    NGD4125LK KC5010 » 4 3.18 0.19 6.35
    NGD4125LK KC5025 » 4 3.18 0.19 6.35
    NGD4125LK KCU10 » 4 3.18 0.19 6.35
    NGD4125LK KCU25 » 4 3.18 0.19 6.35
    NGD-LK

    NOTE Right hand inserts shown, left hand is mirror image.

  6. NGD-RK

    Chip control geometry. Deep grooving. Light turning. 10°/Positive rake angle.

    Product Code Seat W RR T  
    NGD3125RK K313 » 3 3.18 0.19 6.35
    NGD3125RK KC5010 » 3 3.18 0.19 6.35
    NGD3125RK KC5025 » 3 3.18 0.19 6.35
    NGD3125RK KCU10 » 3 3.18 0.19 6.35
    NGD3125RK KCU25 » 3 3.18 0.19 6.35
    NGD4125RK KC5010 » 4 3.18 0.19 6.35
    NGD4125RK KC5025 » 4 3.18 0.19 6.35
    NGD4125RK KCU10 » 4 3.18 0.19 6.35
    NGD4125RK KCU25 » 4 3.18 0.19 6.35
    NGD-RK

  7. NGP-L

    General-purpose grooving. O-ring grooving. Circlip grooving. 5°/Positive rake angle.

    Product Code Seat W RR T  
    NGP2125L KC5010 » 2 3.18 0.19 2.79
    NGP2125L KC5410 » 2 3.18 0.19 2.79
    NGP2125L KCU10 » 2 3.18 0.19 2.79
    NGP3125L KC5010 » 3 3.18 0.19 3.81
    NGP3125L KC5410 » 3 3.18 0.19 3.81
    NGP3125L KD1425 » 3 3.18 0.19 3.81
    NGP-L

    NOTE Right hand inserts shown, left hand is mirror image.

  8. NGP-R

    General-purpose grooving. O-ring grooving. Circlip grooving. 5°/Positive rake angle.

    Product Code Seat W RR T  
    NGP2125R KC5010 » 2 3.18 0.19 2.79
    NGP2125R KC5410 » 2 3.18 0.19 2.79
    NGP2125R KCU10 » 2 3.18 0.19 2.79
    NGP3125R KC5010 » 3 3.18 0.19 3.81
    NGP3125R KC5410 » 3 3.18 0.19 3.81
    NGP3125R KCU10 » 3 3.18 0.19 3.81
    NGP3125R KD1425 » 3 3.18 0.19 3.81
    NGP-R

  9. NR-L

    Full radius grooving. Turning profiling. Neutral rake angle.

    Product Code Seat W RC T  
    NR2062L KC5010 » 2 3.18 1.59 2.79
    NR2062L KCU10 » 2 3.18 1.59 2.79
    NR2062L KCU25 » 2 3.18 1.59 2.79
    NR3062L K313 » 3 3.18 1.59 3.81
    NR3062L KC5010 » 3 3.18 1.59 3.81
    NR3062L KC5025 » 3 3.18 1.59 3.81
    NR3062L KCU10 » 3 3.18 1.59 3.81
    NR3062L KCU25 » 3 3.18 1.59 3.81
    NR-L

  10. NR-R

    Full radius grooving. Turning profiling. Neutral rake angle.

    Product Code Seat W RC T  
    NR2062R KC5010 » 2 3.18 1.59 2.79
    NR2062R KCU10 » 2 3.18 1.59 2.79
    NR2062R KCU25 » 2 3.18 1.59 2.79
    NR3062R K313 » 3 3.18 1.59 3.81
    NR3062R KC5010 » 3 3.18 1.59 3.81
    NR3062R KC5025 » 3 3.18 1.59 3.81
    NR3062R KCU10 » 3 3.18 1.59 3.81
    NR3062R KCU25 » 3 3.18 1.59 3.81
    NR-R

  11. NR-LK

    Chip control geometry. Full radius grooving turning profiling. 10°/Positive rake angle.

    Product Code Seat W RC T  
    NR3062LK KC5010 » 3 3.18 1.59 3.81
    NR3062LK KC5025 » 3 3.18 1.59 3.81
    NR3062LK KCU10 » 3 3.18 1.59 3.81
    NR3062LK KCU25 » 3 3.18 1.59 3.81
    NR4062LK KC5010 » 4 3.18 1.59 3.81
    NR-LK

  12. NR-RK

    Chip control geometry. Full radius grooving turning profiling. 10°/Positive rake angle.

    Product Code Seat W RC T  
    NR3062RK KC5010 » 3 3.18 1.59 3.81
    NR3062RK KC5025 » 3 3.18 1.59 3.81
    NR3062RK KCU10 » 3 3.18 1.59 3.81
    NR3062RK KCU25 » 3 3.18 1.59 3.81
    NR4062RK KC5010 » 4 3.18 1.59 3.81
    NR4062RK KC9110 » 4 3.18 1.59 3.81
    NR4062RK KCU10 » 4 3.18 1.59 3.81
    NR4062RK KCU25 » 4 3.18 1.59 3.81
    NR-RK

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