Kennametal Top Notch Grooving Toolholders

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.

NASR

Product Code	H	B	F	L1	L2	B4	CD	Clamp Screw
NASR1616K3Q »	16.00	16.00	16.00	125.00	32.00	12.00	5.3000	MS2111

NER

Product Code	H	B	F	L1	L2	CD	Clamp Screw
NER2525M3 »	25.00	25.00	32.00	150.00	22.00	5.3000	MS2111
NER3225P3 »	32.00	25.00	32.00	170.00	22.00	3.8000	MS2111

NRR

Product Code	H	B	F	L1	L2	Clamp Screw
NRR2020K3 »	20.00	20.00	25.00	125.00	32.00	MS2111
NRR2525M3 »	25.00	25.00	32.00	150.00	32.00	MS2111
NRR3225P3 »	32.00	25.00	32.00	170.00	32.00	MS2111

NSR

Product Code	H	B	F	L1	L2	B4	CD	Clamp Screw
NSR2020K3 »	20.00	20.00	25.00	125.00	32.00	13.00	5.3000	MS2111
NSR2525M3 »	25.00	25.00	32.00	150.00	32.00	13.00	5.3000	MS2111
NSR3225P3 »	32.00	25.00	32.00	170.00	32.00	13.00	5.3000	MS2111
NSR3232P3 »	32.00	32.00	40.00	170.00	32.00	13.00	5.3000	MS2111