Kennametal 5144599 Grooving Insert KCU25 Carbide Altin

Product Description

The KENNAMETAL 5144599 is a solid carbide grooving insert designed for precision external grooving and parting operations on CNC lathes and turning centers. Manufactured in the R250GUP style with a KCU25 grade carbide substrate, this insert features a PVD-applied AlTiN coating for extended tool life in demanding cutting environments. The GUP chip breaker geometry promotes controlled chip evacuation during grooving. With a cutting width of 0.25 inches (6.35 mm) and a full corner radius of 0.125 inches (3.18 mm), it delivers consistent groove geometry on each pass. This insert is installed by machinists and CNC tooling specialists in production turning environments.

This insert is suited for grooving operations on ferrous and non-ferrous materials in both high-production and job-shop settings. The neutral hand orientation makes it adaptable across a range of standard grooving toolholders. It belongs to the Series A4 insert family and carries material grade designations of C2 and C6, covering a broad range of workpiece material categories. The multi-use designation supports use in grooving, parting, and profile turning applications where a full radius profile is required.

Key Features

• KCU25 solid carbide grade with PVD AlTiN coating for wear resistance and thermal stability
• GUP chip breaker geometry for controlled chip flow during grooving operations
• Full corner radius of 0.125 inches (3.18 mm) for consistent groove profile
• Cutting width of 0.25 inches (6.35 mm) with neutral hand orientation
• Series A4 insert family compatible with standard A4-style grooving toolholders
• Multi-use design suitable for grooving, parting, and profile turning

Compatibility

Designed for use in Series A4 grooving toolholders that accept R-style inserts with a 0.25 inch cutting width. Refer to KENNAMETAL toolholder documentation for confirmed holder compatibility before installation.

Installation Notes

Installation should be performed by a qualified machinist or CNC tooling technician. Ensure the machine spindle is fully stopped and the tool turret is powered down before seating or removing inserts. Use the appropriate torx or hex key to the toolholder manufacturer's specified clamping method — do not overtighten the clamp screw. Verify insert seating and clamp engagement before resuming any cutting operation.