Kennametal 5697945 CPGM3251 Carbide Turning Insert

Product Description

The KENNAMETAL 5697945 is a solid carbide turning insert designated CPGM3251 in ANSI sizing and CPGM09T304 in ISO sizing. It carries a multilayer CVD coating of TiCN, Al2O3, and TiOCN, providing high wear resistance on steel and moderate wear resistance with toughness on aluminum and non-ferrous materials. The insert features an 80-degree diamond (rhombic) shape with a positive rake angle of 5 degrees, a positive side clearance, and a honed cutting edge style. With 2 cutting edges per insert and a screw-on holding method, it is suited for medium machining operations. Licensed machinists and CNC operators install this insert in screw-on toolholders for turning, facing, and boring applications.

This insert is designed for primary use on steel and cast iron workpieces, making it a reliable choice for general-purpose turning on CNC lathes and manual turning centers in both production and job-shop environments. Its medium chip-breaker geometry handles a broad range of depths of cut up to 0.1268 inches, accommodating roughing passes and semi-finish work. The neutral hand orientation means it fits both right-hand and left-hand compatible toolholders that accept the CPGM screw-on style.

Key Features

• Multilayer CVD coating (TiCN / Al2O3 / TiOCN) for high wear resistance on steel and cast iron
• 80-degree diamond insert shape with positive rake (5 degrees) and 11-degree relief angle
• 2 usable cutting edges per insert with honed edge preparation
• Screw-on holding method for secure seating and repeatable indexing
• Medium chip-breaker geometry supports turning, facing, and boring operations
• Meets ANSI and ISO standards; grade KCP10B rated for Steel (P) and Non-Ferrous (N) material groups

Compatibility

Designed for use in screw-on CPGM-style toolholders accepting a 3/8-inch inscribed circle insert. Compatible with turning, facing, and boring operations on steel, cast iron, aluminum, and non-ferrous workpieces per material codes P and N. Conforms to ANSI insert code CPGM3251 and ISO insert code CPGM09T304.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician. Ensure the machine spindle is fully stopped and the toolholder is secured before indexing or replacing the insert. Use the appropriate torx or hex key specified by the toolholder manufacturer to tighten the clamping screw — do not overtighten. Verify correct insert seating and edge orientation before resuming cutting operations.