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
A4G0205M02U02GMN KC5010 »	2.05	0.20	2
A4G0205M02U02GMN KC5025 »	2.05	0.20	2
A4G0205M02U02GMN KC9110 »	2.05	0.20	2
A4G0205M02U02GMN KCP10 »	2.05	0.20	2
A4G0205M02U02GMN KCU10 »	2.05	0.20	2
A4G0205M02U02GMN KCU25 »	2.05	0.20	2
A4G0305M03U02GMN KC5010 »	3.05	0.20	3
A4G0305M03U02GMN KC5025 »	3.05	0.20	3
A4G0305M03U02GMN KC9110 »	3.05	0.20	3
A4G0305M03U02GMN KC9125 »	3.05	0.20	3
A4G0305M03U02GMN KCP10 »	3.05	0.20	3
A4G0305M03U02GMN KCP25 »	3.05	0.20	3
A4G0305M03U02GMN KCU10 »	3.05	0.20	3
A4G0305M03U02GMN KCU25 »	3.05	0.20	3
A4G0305M03U02GMN KU30T »	3.05	0.20	3
A4G0305M03U04GMN KC5010 »	3.05	0.40	3
A4G0305M03U04GMN KC5025 »	3.05	0.40	3
A4G0305M03U04GMN KC9110 »	3.05	0.40	3
A4G0305M03U04GMN KC9125 »	3.05	0.40	3
A4G0305M03U04GMN KCP10 »	3.05	0.40	3
A4G0305M03U04GMN KCP25 »	3.05	0.40	3
A4G0305M03U04GMN KCU10 »	3.05	0.40	3
A4G0305M03U04GMN KCU25 »	3.05	0.40	3
A4G0305M03U04GMN KU30T »	3.05	0.40	3
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
A4G0505M05U04GMN KC5010 »	5.05	0.40	5
A4G0505M05U04GMN KC5025 »	5.05	0.40	5
A4G0505M05U04GMN KC9110 »	5.05	0.40	5
A4G0505M05U04GMN KC9125 »	5.05	0.40	5
A4G0505M05U04GMN KCP10 »	5.05	0.40	5
A4G0505M05U04GMN KCP25 »	5.05	0.40	5
A4G0505M05U04GMN KCU10 »	5.05	0.40	5
A4G0505M05U04GMN KCU25 »	5.05	0.40	5
A4G0505M05U08GMN KC5010 »	5.05	0.80	5
A4G0505M05U08GMN KC5025 »	5.05	0.80	5
A4G0505M05U08GMN KC9110 »	5.05	0.80	5
A4G0505M05U08GMN KC9125 »	5.05	0.80	5
A4G0505M05U08GMN KCP10 »	5.05	0.80	5
A4G0505M05U08GMN KCP25 »	5.05	0.80	5
A4G0505M05U08GMN KCU10 »	5.05	0.80	5
A4G0505M05U08GMN KCU25 »	5.05	0.80	5
A4G0605M06U04GMN KC5010 »	6.05	0.40	6
A4G0605M06U04GMN KC5025 »	6.05	0.40	6
A4G0605M06U04GMN KC9110 »	6.05	0.40	6
A4G0605M06U04GMN KC9125 »	6.05	0.40	6
A4G0605M06U04GMN KCP10 »	6.05	0.40	6
A4G0605M06U04GMN KCP25 »	6.05	0.40	6
A4G0605M06U04GMN KCU10 »	6.05	0.40	6
A4G0605M06U04GMN KCU25 »	6.05	0.40	6
A4G0605M06U08GMN KC5010 »	6.05	0.80	6
A4G0605M06U08GMN KC5025 »	6.05	0.80	6
A4G0605M06U08GMN KC9110 »	6.05	0.80	6
A4G0605M06U08GMN KC9125 »	6.05	0.80	6
A4G0605M06U08GMN KCP10 »	6.05	0.80	6
A4G0605M06U08GMN KCP25 »	6.05	0.80	6
A4G0605M06U08GMN KCU10 »	6.05	0.80	6
A4G0605M06U08GMN KCU25 »	6.05	0.80	6
A4G0605M06U12GMN KC5010 »	6.05	1.20	6
A4G0605M06U12GMN KC5025 »	6.05	1.20	6
A4G0605M06U12GMN KC9125 »	6.05	1.20	6
A4G0605M06U12GMN KCP25 »	6.05	1.20	6
A4G0605M06U12GMN KCU10 »	6.05	1.20	6
A4G0605M06U12GMN KCU25 »	6.05	1.20	6
A4G0805M08U08GMN KC5010 »	8.05	0.80	8
A4G0805M08U08GMN KC9110 »	8.05	0.80	8
A4G0805M08U08GMN KC9125 »	8.05	0.80	8
A4G0805M08U08GMN KCP10 »	8.05	0.80	8
A4G0805M08U08GMN KCP25 »	8.05	0.80	8
A4G0805M08U08GMN KCU10 »	8.05	0.80	8
A4G0805M08U08GMN KCU25 »	8.05	0.80	8
A4G0805M08U12GMN KC5010 »	8.05	1.20	8
A4G0805M08U12GMN KC9110 »	8.05	1.20	8
A4G0805M08U12GMN KC9125 »	8.05	1.20	8
A4G0805M08U12GMN KCP10 »	8.05	1.20	8
A4G0805M08U12GMN KCP25 »	8.05	1.20	8
A4G0805M08U12GMN KCU10 »	8.05	1.20	8
A4G0805M08U12GMN KCU25 »	8.05	1.20	8
A4G1005M10U08GMN KC5025 »	10.05	0.80	10
A4G1005M10U08GMN KC9110 »	10.05	0.80	10
A4G1005M10U08GMN KC9125 »	10.05	0.80	10
A4G1005M10U08GMN KCP10 »	10.05	0.80	10
A4G1005M10U08GMN KCP25 »	10.05	0.80	10
A4G1005M10U08GMN KCU25 »	10.05	0.80	10
A4G1005M10U12GMN KC5025 »	10.05	1.20	10
A4G1005M10U12GMN KC9110 »	10.05	1.20	10
A4G1005M10U12GMN KC9125 »	10.05	1.20	10
A4G1005M10U12GMN KCP10 »	10.05	1.20	10
A4G1005M10U12GMN KCP25 »	10.05	1.20	10

A4G-P-GMN

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

Product Code	W	Radius	Seat
A4G094I2BP05GMN KC5010 »	2.39	0.20	2B
A4G094I2BP05GMN KCU10 »	2.39	0.20	2B
A4G125I03P05GMN KC5010 »	3.18	0.20	3
A4G125I03P05GMN KC5025 »	3.18	0.20	3
A4G125I03P05GMN KCU10 »	3.18	0.20	3
A4G125I03P05GMN KCU25 »	3.18	0.20	3
A4G125I03P1GMN KC5010 »	3.18	0.40	3
A4G125I03P1GMN KC5025 »	3.18	0.40	3
A4G125I03P1GMN KCU10 »	3.18	0.40	3
A4G125I03P1GMN KCU25 »	3.18	0.40	3
A4G187I04P1GMN KC5010 »	4.76	0.40	4
A4G187I04P1GMN KCU10 »	4.76	0.40	4
A4G187I04P1GMN KCU25 »	4.76	0.40	4
A4G187I04P2GMN KC5010 »	4.76	0.80	4
A4G187I04P2GMN KC5025 »	4.76	0.80	4
A4G187I04P2GMN KCU10 »	4.76	0.80	4
A4G187I04P2GMN KCU25 »	4.76	0.80	4
A4G250I06P1GMN KC5010 »	6.35	0.40	6
A4G250I06P1GMN KCU10 »	6.35	0.40	6
A4G250I06P1GMN KCU25 »	6.35	0.40	6
A4G250I06P2GMN KC5010 »	6.35	0.80	6
A4G250I06P2GMN KCU10 »	6.35	0.80	6
A4G250I06P2GMN KCU25 »	6.35	0.80	6
A4G312I08P1GMN KC5010 »	7.94	0.40	8
A4G312I08P1GMN KCU25 »	7.94	0.40	8
A4G312I08P2GMN KC5025 »	7.94	0.80	8
A4G375I10P1GMN KC5010 »	9.53	0.40	10
A4G375I10P2GMN KC5010 »	9.53	0.80	10
A4G375I10P2GMN KC5025 »	9.53	0.80	10
A4G375I10P2GMN KCU10 »	9.53	0.80	10
A4G375I10P2GMN KCU25 »	9.53	0.80	10

A4R-U-GMN

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

Product Code	W	Radius	Seat
A4R0205M02U00GMN KC5010 »	2.05	1.10	2
A4R0205M02U00GMN KC5025 »	2.05	1.10	2
A4R0205M02U00GMN KC9110 »	2.05	1.10	2
A4R0205M02U00GMN KCP10 »	2.05	1.10	2
A4R0205M02U00GMN KCU10 »	2.05	1.10	2
A4R0205M02U00GMN KCU25 »	2.05	1.10	2
A4R0305M03U00GMN KC5010 »	3.05	1.50	3
A4R0305M03U00GMN KC5025 »	3.05	1.50	3
A4R0305M03U00GMN KC9110 »	3.05	1.50	3
A4R0305M03U00GMN KC9125 »	3.05	1.50	3
A4R0305M03U00GMN KCP10 »	3.05	1.50	3
A4R0305M03U00GMN KCP25 »	3.05	1.50	3
A4R0305M03U00GMN KCU10 »	3.05	1.50	3
A4R0305M03U00GMN KCU25 »	3.05	1.50	3
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
A4R0505M05U00GMN KC5010 »	5.05	2.50	5
A4R0505M05U00GMN KC5025 »	5.05	2.50	5
A4R0505M05U00GMN KC9110 »	5.05	2.50	5
A4R0505M05U00GMN KC9125 »	5.05	2.50	5
A4R0505M05U00GMN KCP10 »	5.05	2.50	5
A4R0505M05U00GMN KCP25 »	5.05	2.50	5
A4R0505M05U00GMN KCU10 »	5.05	2.50	5
A4R0505M05U00GMN KCU25 »	5.05	2.50	5
A4R0605M06U00GMN KC5010 »	6.05	3.00	6
A4R0605M06U00GMN KC5025 »	6.05	3.00	6
A4R0605M06U00GMN KC9110 »	6.05	3.00	6
A4R0605M06U00GMN KC9125 »	6.05	3.00	6
A4R0605M06U00GMN KCP10 »	6.05	3.00	6
A4R0605M06U00GMN KCP25 »	6.05	3.00	6
A4R0605M06U00GMN KCU10 »	6.05	3.00	6
A4R0605M06U00GMN KCU25 »	6.05	4.00	6
A4R0805M08U00GMN KC5010 »	8.05	4.00	8
A4R0805M08U00GMN KC5025 »	8.05	4.00	8
A4R0805M08U00GMN KC9110 »	8.05	4.00	8
A4R0805M08U00GMN KC9125 »	8.05	4.00	8
A4R0805M08U00GMN KCP10 »	8.05	4.00	8
A4R0805M08U00GMN KCP25 »	8.05	5.00	8
A4R0805M08U00GMN KCU10 »	8.05	5.00	8
A4R0805M08U00GMN KCU25 »	8.05	5.00	8
A4R1005M10U00GMN KC5010 »	10.05	5.00	10
A4R1005M10U00GMN KC9125 »	10.05	5.00	10
A4R1005M10U00GMN KCP25 »	10.05	5.00	10
A4R1005M10U00GMN KCU10 »	10.05	5.00	10
A4R1005M10U00GMN KCU25 »	10.05	5.00	10