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
NR3031L K313 »	3	1.58	0.79	2.39
NR3047L K313 »	3	2.39	1.19	3.81
NR3062L K313 »	3	3.18	1.59	3.81
NR3094L K313 »	3	4.78	2.39	3.81

NR-R

Full radius grooving. Turning profiling. Neutral rake angle.

Product Code	Seat	W	RC	T
NR3031R K313 »	3	1.58	0.79	2.39
NR3047R K313 »	3	2.39	1.19	3.81
NR3062R K313 »	3	3.18	1.59	3.81
NR3078R K313 »	3	3.96	1.98	3.81
NR3094R K313 »	3	4.78	2.39	3.81
NR4094R K313 »	4	4.78	2.39	6.35
NR4125R K313 »	4	6.35	3.18	6.35