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Kennametal Top Notch Grooving Inserts

Top Notchâ„¢ Grooving Tools and Beyondâ„¢ 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.

49 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  
    NG4250L K313 » 4 6.35 0.57 6.35
    NG4250L KC5010 » 4 6.35 0.57 6.35
    NG4250L KC5025 » 4 6.35 0.57 6.35
    NG4250L KCU10 » 4 6.35 0.57 6.35
    NG4250L KCU25 » 4 6.35 0.57 6.35
    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  
    NG4250LK KC5010 » 4 6.35 0.57 6.35
    NG4250LK KC5025 » 4 6.35 0.57 6.35
    NG4250LK KCU10 » 4 6.35 0.57 6.35
    NG4250LK KCU25 » 4 6.35 0.57 6.35
    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  
    NG4250R K313 » 4 6.35 0.57 6.35
    NG4250R KC5010 » 4 6.35 0.57 6.35
    NG4250R KC5025 » 4 6.35 0.57 6.35
    NG4250R KC9110 » 4 6.35 0.57 6.35
    NG4250R KCU10 » 4 6.35 0.57 6.35
    NG4250R KCU25 » 4 6.35 0.57 6.35
    NG5250R KC5025 » 5 6.35 0.57 9.52
    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  
    NG4250RK KC5010 » 4 6.35 0.57 6.35
    NG4250RK KC5025 » 4 6.35 0.57 6.35
    NG4250RK KCU10 » 4 6.35 0.57 6.35
    NG4250RK KCU25 » 4 6.35 0.57 6.35
    NG-RK
  5. NGD-L

    Deep grooving. Neutral rake angle.

    Product Code Seat W RR T  
    NGD4250L K313 » 4 6.35 0.57 12.70
    NGD4250L KC5010 » 4 6.35 0.57 12.70
    NGD4250L KCU10 » 4 6.35 0.57 12.70
    NGD-L

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

  6. NGD-LK

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

    Product Code Seat W RR T  
    NGD4250LK KC5025 » 4 6.35 0.57 12.70
    NGD4250LK KCU10 » 4 6.35 0.57 12.70
    NGD4250LK KCU25 » 4 6.35 0.57 12.70
    NGD-LK

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

  7. NGD-R

    Deep grooving. Neutral rake angle.

    Product Code Seat W RR T  
    NGD4250R K313 » 4 6.35 0.57 12.70
    NGD4250R KC5010 » 4 6.35 0.57 12.70
    NGD4250R KCU10 » 4 6.35 0.57 12.70
    NGD-R
  8. NGD-RK

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

    Product Code Seat W RR T  
    NGD4250RK K313 » 4 6.35 0.57 12.70
    NGD4250RK KC5010 » 4 6.35 0.57 12.70
    NGD4250RK KC5025 » 4 6.35 0.57 12.70
    NGD4250RK KCU10 » 4 6.35 0.57 12.70
    NGD4250RK KCU25 » 4 6.35 0.57 12.70
    NGD-RK
  9. NGP-L

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

    Product Code Seat W RR T  
    NGP4250L KC5010 » 4 6.35 0.57 6.35
    NGP4250L KCU10 » 4 6.35 0.57 6.35
    NGP-L

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

  10. NGP-R

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

    Product Code Seat W RR T  
    NGP4250R KC5010 » 4 6.35 0.57 6.35
    NGP4250R KCU10 » 4 6.35 0.57 6.35
    NGP-R
  11. NR-L

    Full radius grooving. Turning profiling. Neutral rake angle.

    Product Code Seat W RC T  
    NR4125L KC5010 » 4 6.35 3.18 6.35
    NR4125L KCU10 » 4 6.35 3.18 6.35
    NR4125L KCU25 » 4 6.35 3.18 6.35
    NR-L
  12. NR-R

    Full radius grooving. Turning profiling. Neutral rake angle.

    Product Code Seat W RC T  
    NR4125R K313 » 4 6.35 3.18 6.35
    NR4125R KC5010 » 4 6.35 3.18 6.35
    NR4125R KCU10 » 4 6.35 3.18 6.35
    NR4125R KCU25 » 4 6.35 3.18 6.35
    NR-R
  13. NR-RK

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

    Product Code Seat W RC T  
    NR4125RK KC5010 » 4 6.35 3.18 6.35
    NR4125RK KC5025 » 4 6.35 3.18 6.35
    NR4125RK KCU10 » 4 6.35 3.18 6.35
    NR4125RK KCU25 » 4 6.35 3.18 6.35
    NR-RK

49 Item(s)

per page

Set Descending Direction

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