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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.

Items 251 to 335 of 335 total

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  1. 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  
    NG3M320LK KC5025 » 3 3.20 0.19 3.81
    NG3M320LK KCU25 » 3 3.20 0.19 3.81
    NG3M325LK KC5025 » 3 3.25 0.19 3.81
    NG3M325LK KCU25 » 3 3.25 0.19 3.81
    NG3M350LK KC5025 » 3 3.50 0.32 3.81
    NG3M350LK KCU25 » 3 3.50 0.32 3.81
    NG3M400LK KC5025 » 3 4.00 0.32 3.81
    NG3M400LK KC9110 » 3 3.99 0.32 3.81
    NG3M400LK KCU25 » 3 3.99 0.32 3.81
    NG3M425LK KCU25 » 3 4.24 0.32 3.81
    NG3M450LK KCU25 » 3 4.50 0.32 3.81
    NG4125LK KCU25 » 4 3.18 0.19 3.81
    NG4189LK KC5025 » 4 4.80 0.57 6.35
    NG4189LK KC9110 » 4 4.80 0.57 6.35
    NG4189LK KCU25 » 4 4.80 0.57 6.35
    NG4250LK KC5025 » 4 6.35 0.57 6.35
    NG4250LK KCU25 » 4 6.35 0.57 6.35
    NG4M300LK KCU25 » 4 3.00 0.19 3.81
    NG4M350LK KC9110 » 4 3.50 0.57 6.35
    NG4M350LK KCU25 » 4 3.50 0.57 6.35
    NG4M400LK KC9110 » 4 4.00 0.57 6.35
    NG4M400LK KCU25 » 4 4.00 0.57 6.35
    NG4M450LK KC5025 » 4 4.50 0.57 6.35
    NG4M500LK KC9110 » 4 5.00 0.32 6.35
    NG4M500LK KCU25 » 4 5.00 0.32 6.35
    NG4M550LK KC5025 » 4 5.50 0.57 6.35
    NG4M550LK KCU25 » 4 5.50 0.57 6.35
    NG4M600LK KC5025 » 4 6.00 0.57 6.35
    NG4M600LK KCU25 » 4 6.00 0.57 6.35
    NG-LK

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

  2. 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  
    NG3M320RK KC5025 » 3 3.20 0.19 3.81
    NG3M320RK KCU25 » 3 3.20 0.19 3.81
    NG3M325RK KC5025 » 3 3.25 0.19 3.81
    NG3M325RK KCU25 » 3 3.25 0.19 3.81
    NG3M350RK KC5025 » 3 3.50 0.32 3.81
    NG3M350RK KCU25 » 3 3.50 0.32 3.81
    NG3M350RK KT315 » 3 3.50 0.32 3.81
    NG3M400RK KC5025 » 3 3.99 0.32 3.81
    NG3M400RK KC9110 » 3 3.99 0.32 3.81
    NG3M400RK KCU25 » 3 3.99 0.32 3.81
    NG3M400RK KT315 » 3 3.99 0.32 3.81
    NG3M425RK KC5025 » 3 4.24 0.32 3.81
    NG3M425RK KCU25 » 3 4.24 0.32 3.81
    NG3M450RK KCU25 » 3 4.50 0.32 3.81
    NG4125RK KCU25 » 4 3.18 0.19 3.81
    NG4189RK KC5025 » 4 4.80 0.57 6.35
    NG4189RK KC9110 » 4 4.80 0.57 6.35
    NG4189RK KCU25 » 4 4.80 0.57 6.35
    NG4250RK KC5025 » 4 6.35 0.57 6.35
    NG4250RK KCU25 » 4 6.35 0.57 6.35
    NG4M300RK KCU25 » 4 3.00 0.19 3.81
    NG4M350RK KC9110 » 4 3.50 0.57 6.35
    NG4M350RK KCU25 » 4 3.50 0.57 6.35
    NG4M400RK KC5025 » 4 4.00 0.57 6.35
    NG4M400RK KCU25 » 4 4.00 0.57 6.35
    NG4M450RK KCU25 » 4 4.50 0.57 6.35
    NG4M500RK KC9110 » 4 5.00 0.32 6.35
    NG4M500RK KCU25 » 4 5.00 0.32 6.35
    NG4M550RK KC5025 » 4 5.50 0.57 6.35
    NG4M550RK KCU25 » 4 5.50 0.57 6.35
    NG4M600RK KC9110 » 4 6.00 0.57 6.35
    NG4M600RK KCU25 » 4 6.00 0.57 6.35
    NG-RK

  3. NG-L

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

    Product Code Seat W RR T  
    NG4125L KCU25 » 4 3.18 0.19 3.81
    NG4189L KCU25 » 4 4.80 0.57 6.35
    NG4250L KC5025 » 4 6.35 0.57 6.35
    NG4250L KCU25 » 4 6.35 0.57 6.35
    NG5312L KC5025 » 5 7.93 0.83 9.52
    NG6375L KC5025 » 6 9.53 0.83 6.35
    NG-L

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

  4. NG-R

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

    Product Code Seat W RR T  
    NG4125R KCU25 » 4 3.18 0.19 3.81
    NG4189R KC9110 » 4 4.80 0.57 6.35
    NG4189R KCU25 » 4 4.80 0.57 6.35
    NG4213R KCU25 » 4 5.41 0.19 6.35
    NG4219R KC5025 » 4 5.56 0.57 6.35
    NG4250R KC5025 » 4 6.35 0.57 6.35
    NG4250R KC9110 » 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
    NG5312R KCU25 » 5 7.93 0.83 9.52
    NG5375R KC5025 » 5 9.53 0.83 9.52
    NG6281R KC5025 » 6 7.14 0.83 6.35
    NG6281R KCU25 » 6 7.14 0.83 6.35
    NG6375R KC5025 » 6 9.53 0.83 6.35
    NG6375R KCU25 » 6 9.53 0.83 6.35
    NG-R

  5. NR-R

    Full radius grooving. Turning profiling. Neutral rake angle.

    Product Code Seat W RC T  
    NR3M125R KC9110 » 3 2.50 1.25 3.81
    NR-R

  6. NR-RK

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

    Product Code Seat W RC T  
    NR4062RK KC9110 » 4 3.18 1.59 3.81
    NR4094RK KC9110 » 4 4.78 2.39 6.35
    NR-RK

Items 251 to 335 of 335 total

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