Kennametal 7026457 Turning Insert CCMT2151FP KCP25C Carbide

Product Description

The KENNAMETAL 7026457 is a CCMT2151FP-style carbide turning insert with KCP25C grade and a multilayer CVD coating of TiN, Al2O3, and TiCN. It features a diamond-shaped body with an 80-degree included angle, a positive rake angle of 15 degrees, and a honed cutting edge for consistent performance on steel and cast iron. The insert measures 0.2539 inches in length with a 0.25-inch inscribed circle and a 0.0156-inch corner radius. It is designed for screw-on toolholders and is suited for use by machinists and CNC operators in production turning environments.

This insert is appropriate for external turning, facing, and boring operations on steel and cast iron workpieces in both light and moderate cutting conditions. The FP chip breaker geometry is intended for finish to medium-pass applications where chip control and surface quality are priorities. With two cutting edges per insert and a neutral hand orientation, it fits a wide range of screw-on toolholder setups in job shop and production machining environments.

Key Features

• CCMT diamond-shape insert with 80-degree included angle and 7-degree relief angle
• KCP25C grade with multilayer CVD coating: TiN, Al2O3, and TiCN for wear resistance on steel and cast iron
• FP chip breaker geometry designed for finish to medium turning passes
• Positive rake at 15 degrees reduces cutting forces and heat generation
• Honed cutting edge for consistent edge integrity and extended tool life
• Two usable cutting edges per insert; screw-on holding method

Compatibility

Designed as a screw-on replacement turning insert conforming to ANSI and ISO standards under industry standard number CCMT2151FP and ISO code CCMT060204FP. Compatible with screw-on toolholders accepting CCMT-style inserts with a 0.11-inch hole diameter. Primary workpiece materials are steel and cast iron.

Installation Notes

Installation is performed by qualified machinists or tooling technicians using the appropriate torx or hex key to seat the insert screw to the toolholder manufacturer's specified procedure. Always index or replace the insert with the machine in a stopped, de-energized state and the spindle locked. Inspect the toolholder pocket and seating surface for chips or debris before seating the new insert. Do not overtighten the clamping screw, as this can fracture the carbide substrate.