Kennametal A4 Grooving Inserts

A4™ Tooling and Beyond™ Inserts for All Your O.D. and I.D. Applications

Primary Application

Choose A4 tooling for turning, facing, grooving, face grooving, and cut-off applications across a broad range of workpiece materials. The unique clamping system and versatile insert geometry deliver the highest metal removal rates in the industry.

Features and Benefits

A4 Grooving and Turning System

One tool for turning, facing, grooving, face-grooving, and cut-off in O.D. and I.D. applications means exceptionally fast cycle times, no turret indexes!
Extra-long clamping area, ground 120° bottom prism seating surface, and an exclusive top guide rail combine to deliver unsurpassed grooving and side-turning stability!
Precise insert positioning is ensured for accurate cuts!
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.

A4G-U-GMN

Square insert with GMN(Grooving and turning medium machining stable cutting edge) chipbreaker

Product Code	W	Radius	Seat
A4G0405M04U04GMN KC5010 »	4.05	0.40	4
A4G0405M04U04GMN KC5025 »	4.05	0.40	4
A4G0405M04U04GMN KC9110 »	4.05	0.40	4
A4G0405M04U04GMN KC9125 »	4.05	0.40	4
A4G0405M04U04GMN KCP25 »	4.05	0.40	4
A4G0405M04U04GMN KCU10 »	4.05	0.40	4
A4G0405M04U04GMN KCU25 »	4.05	0.40	4
A4G0405M04U08GMN KC5010 »	4.05	0.80	4
A4G0405M04U08GMN KC5025 »	4.05	0.80	4
A4G0405M04U08GMN KC9110 »	4.05	0.80	4
A4G0405M04U08GMN KC9125 »	4.05	0.80	4
A4G0405M04U08GMN KCP10 »	4.05	0.80	4
A4G0405M04U08GMN KCP25 »	4.05	0.80	4
A4G0405M04U08GMN KCU10 »	4.05	0.80	4
A4G0405M04U08GMN KCU25 »	4.05	0.80	4

A4R-U-GMN

Full Radius insert with GMN(Grooving and turning medium machining stable cutting edge) chipbreaker

Product Code	W	Radius	Seat
A4R0405M04U00GMN KC5010 »	4.05	2.00	4
A4R0405M04U00GMN KC5025 »	4.05	2.00	4
A4R0405M04U00GMN KC9110 »	4.05	2.00	4
A4R0405M04U00GMN KC9125 »	4.05	2.00	4
A4R0405M04U00GMN KCP10 »	4.05	2.00	4
A4R0405M04U00GMN KCP25 »	4.05	2.00	4
A4R0405M04U00GMN KCU10 »	4.05	2.00	4
A4R0405M04U00GMN KCU25 »	4.05	2.00	4