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	B3	L3	Clamp Screw
NASR1010M2Q »	10.00	10.00	10.00	150.00	19.00	9.00	3.5000	2.03	19.00	MS1200
NASR1212M2Q »	12.00	12.00	12.00	150.00	19.00	9.00	3.5000	-	-	MS1200

NER

Product Code	H	B	F	L1	L2	CD	Clamp Screw
NER1616H2 »	16.00	16.00	20.00	100.00	15.00	3.5000	MS1200
NER2020K2 »	20.00	20.00	25.00	125.00	15.00	3.5000	MS1200
NER2525M2 »	25.00	25.00	32.00	150.00	15.00	3.5000	MS1200

NSR

Product Code	H	B	F	L1	L2	B4	CD	Clamp Screw
NSR1010E2 »	10.00	10.00	14.00	70.00	19.00	9.00	3.5000	MS1200
NSR1212F2 »	12.00	12.00	16.00	80.00	19.00	9.00	3.5000	MS1200
NSR1616H2 »	16.00	16.00	20.00	100.00	19.00	9.00	3.5000	MS1200
NSR2020K2 »	20.00	20.00	25.00	125.00	19.00	9.00	3.5000	MS1200
NSR2525M2 »	25.00	25.00	32.00	150.00	19.00	9.00	3.5000	MS1200