Kennametal Top Notch Grooving Inserts

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.

NG-L

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

Product Code	Seat	W	RR	T
NG2031L K313 »	2	0.79	0.09	1.27
NG2062L K313 »	2	1.58	0.19	2.79
NG2094L K313 »	2	2.39	0.19	2.79
NG3047L K313 »	3	1.19	0.19	1.91
NG3062L K313 »	3	1.58	0.19	2.39
NG3062LEST KD1425 »	3	1.58	0.19	2.39
NG3094L K313 »	3	2.39	0.19	3.81
NG3094LEST KD1425 »	3	2.39	0.19	3.81
NG3125L K313 »	3	3.18	0.19	3.81
NG3125LEST KD1425 »	3	3.18	0.19	3.81
NG3189L K313 »	3	4.80	0.57	3.81
NG3189LEST KD1425 »	3	4.80	0.57	3.81
NG4125L K313 »	4	3.18	0.19	3.81
NG4189L K313 »	4	4.80	0.57	6.35
NG4250L K313 »	4	6.35	0.57	6.35

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

NGD-LK

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

Product Code	Seat	W	RR	T
NGD3094LK K313 »	3	2.39	0.19	6.35
NGD3125LK K313 »	3	3.18	0.19	6.35

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

NGD-L

Deep grooving. Neutral rake angle.

Product Code	Seat	W	RR	T
NGD3189L K313 »	3	4.80	0.57	6.35
NGD4250L K313 »	4	6.35	0.57	12.70

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

NGP-L

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

Product Code	Seat	W	RR	T
NGP2031L KC5410 »	2	0.79	0.09	1.27
NGP2062L KC5410 »	2	1.58	0.19	2.79
NGP2125L KC5410 »	2	3.18	0.19	2.79
NGP2M150L K313 »	2	1.50	0.19	2.79
NGP2M200L K313 »	2	2.00	0.19	2.79
NGP3088L KD1425 »	3	2.24	0.19	2.39
NGP3125L KC5410 »	3	3.18	0.19	3.81
NGP3125L KD1425 »	3	3.18	0.19	3.81

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