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.

NR-L

Full radius grooving. Turning profiling. Neutral rake angle.

Product Code	Seat	W	RC	T
NR2047L KCU25 »	2	2.39	1.19	2.79
NR3047L K313 »	3	2.39	1.19	3.81
NR3047L KC5010 »	3	2.39	1.19	3.81
NR3047L KCU10 »	3	2.39	1.19	3.81
NR3047L KCU25 »	3	2.39	1.19	3.81

NR-R

Full radius grooving. Turning profiling. Neutral rake angle.

Product Code	Seat	W	RC	T
NR2047R KCU25 »	2	2.39	1.19	2.79
NR3047R K313 »	3	2.39	1.19	3.81
NR3047R KC5010 »	3	2.39	1.19	3.81
NR3047R KCU10 »	3	2.39	1.19	3.81
NR3047R KCU25 »	3	2.39	1.19	3.81

NR-LK

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

Product Code	Seat	W	RC	T
NR3047LK KC5010 »	3	2.39	1.19	3.81
NR3047LK KC5025 »	3	2.39	1.19	3.81
NR3047LK KCU10 »	3	2.39	1.19	3.81
NR3047LK KCU25 »	3	2.39	1.19	3.81

NR-RK

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

Product Code	Seat	W	RC	T
NR3047RK KC5010 »	3	2.39	1.19	3.81
NR3047RK KC5025 »	3	2.39	1.19	3.81
NR3047RK KCU10 »	3	2.39	1.19	3.81
NR3047RK KCU25 »	3	2.39	1.19	3.81