Kennametal 1808491 Grooving Insert NR3047K KC5025 Carbide

Product Description

The KENNAMETAL 1808491 is a solid carbide grooving insert in the Top Notch series, designed for external grooving, parting, and profiling operations on CNC lathes and turning centers. Manufactured to the NR3047K style with a KC5025 grade and PVD-applied TiAlN coating, this insert delivers reliable wear resistance in a range of ferrous and non-ferrous materials. The left-hand configuration suits specific tool holder orientations, and the positive rake angle of 10 degrees reduces cutting forces for cleaner groove geometry. The K chip breaker controls chip flow during interrupted and continuous grooving passes.

This insert is suited for production turning environments where consistent groove width and depth control are critical. The 2.39 mm cutting width and maximum depth of cut of 3.81 mm make it appropriate for fine to medium grooving work on shafts, bores, and shoulders in both high-volume and job-shop settings. Licensed machinists and CNC operators handling precision turned components are the primary users. It is sold individually but carries a minimum order quantity of 5 units.

Key Features

• Solid carbide construction with PVD TiAlN coating for elevated heat and wear resistance
• KC5025 grade with 10-degree positive rake angle for reduced cutting forces
• 2.39 mm cutting width with a full radius corner for smooth groove profiles
• Maximum depth of cut of 3.81 mm suitable for fine to medium grooving applications
• K chip breaker geometry for effective chip control during grooving and parting
• Left-hand insert orientation for compatible Top Notch series tool holders

Compatibility

Designed for use in KENNAMETAL Top Notch series tool holders that accept the NR3047K insert style in a left-hand configuration.

Installation Notes

Installation should be performed by a qualified machinist or CNC setup technician with the machine fully powered down and the spindle locked before insert indexing. Use the appropriate torque wrench and seating procedure specified by the tool holder manufacturer to secure the insert without over-torquing the clamping screw. Inspect the insert seat and chip pocket for debris before seating. Do not use damaged or chipped inserts, as they can cause unpredictable tool failure during cutting.