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View Cutting Data »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
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Click through to the products to see videos of them in action, and also find their related matching tools.
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NGD-LK
Chip control geometry. Deep grooving. Light turning. 10°/Positive rake angle.
Product Code Seat W RR T NGD4189LK KC5010 » 4 4.80 0.57 9.53 NGD4125LK KCU25 » 4 3.18 0.19 6.35 NGD4125LK KCU10 » 4 3.18 0.19 6.35 NGD4125LK KC5025 » 4 3.18 0.19 6.35 NGD4125LK KC5010 » 4 3.18 0.19 6.35 NGD3M400LK KC5025 » 3 4.00 0.32 6.35 NGD3M400LK KC5010 » 3 4.00 0.32 6.35 NGD3M350LK KC5025 » 3 3.50 0.32 6.35 NGD3M350LK KC5010 » 3 3.50 0.32 6.35 NGD3M300LK KC5025 » 3 3.00 0.19 6.35 NGD3M300LK KC5010 » 3 3.00 0.19 6.35 NGD3M250LK KC5025 » 3 2.50 0.19 6.35 NGD3M250LK KC5010 » 3 2.50 0.19 6.35 NGD3M200LK KC5025 » 3 2.00 0.19 4.06 NGD3M200LK KC5010 » 3 2.00 0.19 4.06 NGD3189LK KCU25 » 3 4.80 0.57 6.35 NGD3189LK KC5025 » 3 4.80 0.57 6.35 NGD3189LK KC5010 » 3 4.80 0.57 6.35 NGD3125LK KCU25 » 3 3.18 0.19 6.35 NGD3125LK KCU10 » 3 3.18 0.19 6.35 NGD3125LK KC5025 » 3 3.18 0.19 6.35 NGD3125LK KC5010 » 3 3.18 0.19 6.35 NGD3125LK K313 » 3 3.18 0.19 6.35 NGD3094LK KCU25 » 3 2.39 0.19 6.35 NGD3094LK KCU10 » 3 2.39 0.19 6.35 NGD3094LK KC5025 » 3 2.39 0.19 6.35 NGD3094LK KC5010 » 3 2.39 0.19 6.35 NGD3094LK K313 » 3 2.39 0.19 6.35 NGD3062LK KCU25 » 3 1.58 0.19 3.18 NGD3062LK KCU10 » 3 1.58 0.19 3.18 NGD3062LK KC5025 » 3 1.58 0.19 3.18 NGD3062LK KC5010 » 3 1.58 0.19 3.18 NGD2M250LK KC5025 » 2 2.50 0.19 5.08 NGD2M250LK KC5010 » 2 2.50 0.19 5.08 NGD2M200LK KC5025 » 2 2.00 0.19 5.08 NGD2M200LK KC5010 » 2 2.00 0.19 5.08 NGD2M150LK KC5025 » 2 1.50 0.19 4.06 NGD2M150LK KC5010 » 2 1.50 0.19 4.06 
NOTE Right hand inserts shown, left hand is mirror image.
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NGD-RK
Chip control geometry. Deep grooving. Light turning. 10°/Positive rake angle.
Product Code Seat W RR T NGD4125RK KCU25 » 4 3.18 0.19 6.35 NGD4125RK KCU10 » 4 3.18 0.19 6.35 NGD4125RK KC5025 » 4 3.18 0.19 6.35 NGD4125RK KC5010 » 4 3.18 0.19 6.35 NGD3M400RK KC5025 » 3 4.00 0.32 6.35 NGD3M400RK KC5010 » 3 4.00 0.32 6.35 NGD3M350RK KC5025 » 3 3.50 0.32 6.35 NGD3M350RK KC5010 » 3 3.50 0.32 6.35 NGD3M300RK KC5025 » 3 3.00 0.19 6.35 NGD3M300RK KC5010 » 3 3.00 0.19 6.35 NGD3M250RK KC5025 » 3 2.50 0.19 6.35 NGD3M250RK KC5010 » 3 2.50 0.19 6.35 NGD3M200RK KC5025 » 3 2.00 0.19 4.06 NGD3M200RK KC5010 » 3 2.00 0.19 4.06 NGD3189RK KCU25 » 3 4.80 0.57 6.35 NGD3189RK KC5025 » 3 4.80 0.57 6.35 NGD3189RK KC5010 » 3 4.80 0.57 6.35 NGD3125RK KCU25 » 3 3.18 0.19 6.35 NGD3125RK KCU10 » 3 3.18 0.19 6.35 NGD3125RK KC5025 » 3 3.18 0.19 6.35 NGD3125RK KC5010 » 3 3.18 0.19 6.35 NGD3125RK K313 » 3 3.18 0.19 6.35 NGD3094RK KCU25 » 3 2.39 0.19 6.35 NGD3094RK KCU10 » 3 2.39 0.19 6.35 NGD3094RK KC5025 » 3 2.39 0.19 6.35 NGD3094RK KC5010 » 3 2.39 0.19 6.35 NGD3094RK K313 » 3 2.39 0.19 6.35 NGD3062RK KCU25 » 3 1.58 0.19 3.18 NGD3062RK KCU10 » 3 1.58 0.19 3.18 NGD3062RK KC5025 » 3 1.58 0.19 3.18 NGD3062RK KC5010 » 3 1.58 0.19 3.18 NGD3062RK K313 » 3 1.58 0.19 3.18 NGD2M250RK KCU10 » 2 2.50 0.19 5.08 NGD2M250RK KC5025 » 2 2.50 0.19 5.08 NGD2M200RK KC5025 » 2 2.00 0.19 5.08 NGD2M200RK KC5010 » 2 2.00 0.19 5.08 NGD2M150RK KC5025 » 2 1.50 0.19 4.06 NGD2M150RK KC5010 » 2 1.50 0.19 4.06
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NGD-R
Deep grooving. Neutral rake angle.
Product Code Seat W RR T NGD3189R KC5010 » 3 4.80 0.57 6.35 NGD3189R K313 » 3 4.80 0.57 6.35 
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NGD-L
Deep grooving. Neutral rake angle.
Product Code Seat W RR T NGD3189L KC5010 » 3 4.80 0.57 6.35 NGD3189L K313 » 3 4.80 0.57 6.35
NOTE Right hand inserts shown, left hand is mirror image.
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NG-R
General-purpose grooving. O-ring grooving. Circlip grooving. Neutral rake angle.
Product Code Seat W RR T NG6375R KCU25 » 6 9.53 0.83 6.35 NG6375R KC5025 » 6 9.53 0.83 6.35 NG6281R KCU25 » 6 7.14 0.83 6.35 NG6281R KC5025 » 6 7.14 0.83 6.35 NG5375R KC5025 » 5 9.53 0.83 9.52 NG5312R KCU25 » 5 7.93 0.83 9.52 NG5250R KC5025 » 5 6.35 0.57 9.52 NG4250R KCU25 » 4 6.35 0.57 6.35 NG4250R KCU10 » 4 6.35 0.57 6.35 NG4250R KC9110 » 4 6.35 0.57 6.35 NG4250R KC5025 » 4 6.35 0.57 6.35 NG4250R KC5010 » 4 6.35 0.57 6.35 NG4250R K313 » 4 6.35 0.57 6.35 NG4219R KC5025 » 4 5.56 0.57 6.35 NG4213R KCU25 » 4 5.41 0.19 6.35 NG4189REST KB1630 » 4 4.80 0.57 6.35 NG4189R KCU25 » 4 4.80 0.57 6.35 NG4189R KCU10 » 4 4.80 0.57 6.35 NG4189R KC9110 » 4 4.80 0.57 6.35 NG4189R KC5010 » 4 4.80 0.57 6.35 NG4189R K313 » 4 4.80 0.57 6.35 NG4125R KCU25 » 4 3.18 0.19 3.81 NG4125R KC5010 » 4 3.18 0.19 3.81 NG4125R K313 » 4 3.18 0.19 3.81 
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NG-L
General-purpose grooving. O-ring grooving. Circlip grooving. Neutral rake angle.
Product Code Seat W RR T NG6375L KC5025 » 6 9.53 0.83 6.35 NG5312L KC5025 » 5 7.93 0.83 9.52 NG4250L KCU25 » 4 6.35 0.57 6.35 NG4250L KCU10 » 4 6.35 0.57 6.35 NG4250L KC5025 » 4 6.35 0.57 6.35 NG4250L KC5010 » 4 6.35 0.57 6.35 NG4250L K313 » 4 6.35 0.57 6.35 NG4189LEST KB1630 » 4 4.80 0.57 6.35 NG4189L KCU25 » 4 4.80 0.57 6.35 NG4189L KCU10 » 4 4.80 0.57 6.35 NG4189L KC5010 » 4 4.80 0.57 6.35 NG4189L K313 » 4 4.80 0.57 6.35 NG4125L KCU25 » 4 3.18 0.19 3.81 NG4125L KC5010 » 4 3.18 0.19 3.81 NG4125L K313 » 4 3.18 0.19 3.81
NOTE Right hand inserts shown, left hand is mirror image.
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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 NG4M600RK KCU25 » 4 6.00 0.57 6.35 NG4M600RK KC9320 » 4 6.00 0.57 6.35 NG4M600RK KC9110 » 4 6.00 0.57 6.35 NG4M550RK KCU25 » 4 5.50 0.57 6.35 NG4M550RK KC5025 » 4 5.50 0.57 6.35 NG4M500RK KCU25 » 4 5.00 0.32 6.35 NG4M500RK KCU10 » 4 5.00 0.32 6.35 NG4M500RK KC9320 » 4 5.00 0.32 6.35 NG4M500RK KC9110 » 4 5.00 0.32 6.35 NG4M500RK KC5010 » 4 5.00 0.32 6.35 NG4M450RK KCU25 » 4 4.50 0.57 6.35 NG4M400RK KCU25 » 4 4.00 0.57 6.35 NG4M400RK KCU10 » 4 4.00 0.57 6.35 NG4M400RK KC9320 » 4 4.00 0.57 6.35 NG4M400RK KC5025 » 4 4.00 0.57 6.35 NG4M400RK KC5010 » 4 4.00 0.57 6.35 NG4M350RK KCU25 » 4 3.50 0.57 6.35 NG4M350RK KC9320 » 4 3.50 0.57 6.35 NG4M350RK KC9110 » 4 3.50 0.57 6.35 NG4M300RK KCU25 » 4 3.00 0.19 3.81 NG4250RK KCU25 » 4 6.35 0.57 6.35 NG4250RK KCU10 » 4 6.35 0.57 6.35 NG4250RK KC5025 » 4 6.35 0.57 6.35 NG4250RK KC5010 » 4 6.35 0.57 6.35 NG4189RK KCU25 » 4 4.80 0.57 6.35 NG4189RK KCU10 » 4 4.80 0.57 6.35 NG4189RK KC9110 » 4 4.80 0.57 6.35 NG4189RK KC5025 » 4 4.80 0.57 6.35 NG4189RK KC5010 » 4 4.80 0.57 6.35 NG4125RK KCU25 » 4 3.18 0.19 3.81 NG4125RK KC5010 » 4 3.18 0.19 3.81 NG3M450RK KCU25 » 3 4.50 0.32 3.81 NG3M425RK KCU25 » 3 4.24 0.32 3.81 NG3M425RK KCU10 » 3 4.24 0.32 3.81 NG3M425RK KC5025 » 3 4.24 0.32 3.81 NG3M425RK KC5010 » 3 4.24 0.32 3.81 NG3M400RK KT315 » 3 3.99 0.32 3.81 NG3M400RK KCU25 » 3 3.99 0.32 3.81 NG3M400RK KCU10 » 3 3.99 0.32 3.81 NG3M400RK KC9320 » 3 3.99 0.32 3.81 NG3M400RK KC9110 » 3 3.99 0.32 3.81 NG3M400RK KC5025 » 3 3.99 0.32 3.81 NG3M400RK KC5010 » 3 3.99 0.32 3.81 NG3M350RK KT315 » 3 3.50 0.32 3.81 NG3M350RK KCU25 » 3 3.50 0.32 3.81 NG3M350RK KC5025 » 3 3.50 0.32 3.81 NG3M325RK KCU25 » 3 3.25 0.19 3.81 NG3M325RK KC5025 » 3 3.25 0.19 3.81 NG3M320RK KCU25 » 3 3.20 0.19 3.81 NG3M320RK KC5025 » 3 3.20 0.19 3.81 NG3M300RK KT315 » 3 3.00 0.19 3.81 NG3M300RK KCU25 » 3 3.00 0.19 3.81 NG3M300RK KCU10 » 3 3.00 0.19 3.81 NG3M300RK KC9320 » 3 3.00 0.19 3.81 NG3M300RK KC9110 » 3 3.00 0.19 3.81 NG3M300RK KC5025 » 3 3.00 0.19 3.81 NG3M300RK KC5010 » 3 3.00 0.19 3.81 NG3M275RK KCU25 » 3 2.75 0.19 3.81 NG3M275RK KCU10 » 3 2.75 0.19 3.81 NG3M275RK KC5025 » 3 2.75 0.19 3.81 NG3M275RK KC5010 » 3 2.75 0.19 3.81 NG3M250RK KT315 » 3 2.50 0.19 3.81 NG3M250RK KCU25 » 3 2.50 0.19 3.81 NG3M250RK KC9320 » 3 2.50 0.19 3.81 NG3M250RK KC9110 » 3 2.50 0.19 3.81 NG3M250RK KC5025 » 3 2.50 0.19 3.81 NG3M225RK KCU25 » 3 2.24 0.19 2.39 NG3M225RK KCU10 » 3 2.24 0.19 2.39 NG3M225RK KC9320 » 3 2.24 0.19 2.39 NG3M225RK KC9110 » 3 2.24 0.19 2.39 
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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 NG4M600LK KCU25 » 4 6.00 0.57 6.35 NG4M600LK KC9320 » 4 6.00 0.57 6.35 NG4M600LK KC5025 » 4 6.00 0.57 6.35 NG4M550LK KCU25 » 4 5.50 0.57 6.35 NG4M550LK KC5025 » 4 5.50 0.57 6.35 NG4M500LK KCU25 » 4 5.00 0.32 6.35 NG4M500LK KCU10 » 4 5.00 0.32 6.35 NG4M500LK KC9320 » 4 5.00 0.32 6.35 NG4M500LK KC9110 » 4 5.00 0.32 6.35 NG4M500LK KC5010 » 4 5.00 0.32 6.35 NG4M450LK KC5025 » 4 4.50 0.57 6.35 NG4M400LK KCU25 » 4 4.00 0.57 6.35 NG4M400LK KCU10 » 4 4.00 0.57 6.35 NG4M400LK KC9320 » 4 4.00 0.57 6.35 NG4M400LK KC9110 » 4 4.00 0.57 6.35 NG4M400LK KC5010 » 4 4.00 0.57 6.35 NG4M350LK KCU25 » 4 3.50 0.57 6.35 NG4M350LK KC9320 » 4 3.50 0.57 6.35 NG4M350LK KC9110 » 4 3.50 0.57 6.35 NG4M300LK KCU25 » 4 3.00 0.19 3.81 NG4250LK KCU25 » 4 6.35 0.57 6.35 NG4250LK KCU10 » 4 6.35 0.57 6.35 NG4250LK KC5025 » 4 6.35 0.57 6.35 NG4250LK KC5010 » 4 6.35 0.57 6.35 NG4189LK KCU25 » 4 4.80 0.57 6.35 NG4189LK KCU10 » 4 4.80 0.57 6.35 NG4189LK KC9110 » 4 4.80 0.57 6.35 NG4189LK KC5025 » 4 4.80 0.57 6.35 NG4189LK KC5010 » 4 4.80 0.57 6.35 NG4125LK KCU25 » 4 3.18 0.19 3.81 NG4125LK KC5010 » 4 3.18 0.19 3.81 NG3M450LK KCU25 » 3 4.50 0.32 3.81 NG3M425LK KCU25 » 3 4.24 0.32 3.81 NG3M425LK KCU10 » 3 4.25 0.32 3.81 NG3M425LK KC5010 » 3 4.25 0.32 3.81 NG3M400LK KCU25 » 3 3.99 0.32 3.81 NG3M400LK KCU10 » 3 3.99 0.32 3.81 NG3M400LK KC9320 » 3 3.99 0.32 3.81 NG3M400LK KC9110 » 3 3.99 0.32 3.81 NG3M400LK KC5025 » 3 4.00 0.32 3.81 NG3M400LK KC5010 » 3 4.00 0.32 3.81 NG3M350LK KCU25 » 3 3.50 0.32 3.81 NG3M350LK KC5025 » 3 3.50 0.32 3.81 NG3M325LK KCU25 » 3 3.25 0.19 3.81 NG3M325LK KC5025 » 3 3.25 0.19 3.81 NG3M320LK KCU25 » 3 3.20 0.19 3.81 NG3M320LK KC5025 » 3 3.20 0.19 3.81 NG3M300LK KCU25 » 3 3.00 0.19 3.81 NG3M300LK KCU10 » 3 3.00 0.19 3.81 NG3M300LK KC9320 » 3 3.00 0.19 3.81 NG3M300LK KC9110 » 3 3.00 0.19 3.81 NG3M300LK KC5025 » 3 3.00 0.19 3.81 NG3M300LK KC5010 » 3 3.00 0.19 3.81 NG3M275LK KCU25 » 3 2.75 0.19 3.81 NG3M275LK KCU10 » 3 2.75 0.19 3.81 NG3M275LK KC5025 » 3 2.75 0.19 3.81 NG3M275LK KC5010 » 3 2.75 0.19 3.81 NG3M250LK KCU25 » 3 2.50 0.19 3.81 NG3M250LK KC9320 » 3 2.50 0.19 3.81 NG3M250LK KC9110 » 3 2.50 0.19 3.81 NG3M250LK KC5025 » 3 2.50 0.19 3.81
NOTE Right hand inserts shown, left hand is mirror image.
