Kennametal 4034777 Grooving Insert 4mm KCU10 Carbide Altin

Product Description

The KENNAMETAL 4034777 is a solid carbide grooving insert designed for precision parting and grooving operations on CNC lathes and turning centers. Manufactured to Series A4 specifications, it features a 4.00 mm cutting width and a maximum depth of cut of 3.51 mm, making it well suited for medium-depth groove profiles in both ferrous and non-ferrous materials. The insert carries a KCU10 grade designation with a PVD-applied AlTiN coating, which supports elevated cutting speeds and improves wear resistance. The GMP chip breaker geometry delivers a positive rake angle to promote clean chip evacuation and reduce cutting forces during grooving cycles.

This insert is intended for use in metalworking applications requiring consistent, repeatable groove geometry. It fits Series A4 grooving toolholders and is appropriate for production turning environments in job shops, aerospace, automotive, and general machining facilities. The neutral hand orientation allows straightforward setup on standard turret positions. The 0.20 mm corner radius (approximately 0.0079 inches) and 4.75 mm cutting height contribute to stable engagement and predictable tool life across moderate material removal applications. Machinists and CNC programmers working in metric-measurement environments will find the insert sizing and specification directly applicable to common grooving routines.

Key Features

• 4.00 mm cutting width with a maximum depth of cut of 3.51 mm
• KCU10 solid carbide grade, Material Grade C3/C4, with PVD-applied AlTiN coating for wear resistance
• GMP chip breaker with positive rake geometry for efficient chip control
• Series A4 insert, Insert Size 0400, compatible with A4 grooving toolholder systems
• 0.20 mm corner radius for controlled groove profile accuracy
• Multi-use tool designation supports use across varied grooving applications

Compatibility

Designed for use with Series A4 grooving toolholders. Consult KENNAMETAL toolholder documentation to confirm seat size 4 compatibility before installation. No additional model-specific compatibility data was provided in the product input.

Installation Notes

Installation should be performed by a qualified machinist or CNC tooling technician. Ensure the machine spindle is fully stopped and the turret is in a safe, indexed position before seating or removing the insert. Use the appropriate torx or hex key as specified by the toolholder manufacturer when securing the insert clamp or screw — do not over-torque the clamping screw. Verify insert seating and clearance before resuming cutting operations.