Kennametal 2425660 CCMT2151LF KC5025 Carbide Turning Insert

Product Description

The KENNAMETAL 2425660 is a CCMT2151LF-grade solid carbide turning insert coated with TiAlN via a PVD process and manufactured to the KC5025 grade. Designed for precision metal cutting, this insert features an 80-degree diamond (rhombic) shape, a neutral hand orientation, and a positive rake angle of 5 degrees with a positive side clearance. The 7-degree relief angle and honed cutting edge style make it well-suited for finishing and light machining passes. It measures 6.45 mm in length with a 0.25-inch inscribed circle and a 1/64-inch corner radius. Screw-on holding secures the insert rigidly during operation. The LF chip breaker geometry promotes controlled chip evacuation at light depths of cut up to 1.25 mm.

This insert is intended for turning, facing, and boring operations on a range of workpiece materials. KC5025 grade characteristics deliver moderate wear resistance and toughness across steel (P), stainless steel (M), cast iron (K), aluminum and non-ferrous (N), and superalloy and titanium (S) material groups, making it a versatile choice for job shops and production environments running mixed-material work. It is sized to ANSI insert code CCMT2151 and ISO insert code CCMT060204, fitting compatible screw-on toolholders in both ANSI and ISO standard configurations. This insert is packaged individually and sold in a minimum order quantity of 5 units.

Key Features

• KC5025 TiAlN PVD coating delivers moderate wear resistance and toughness across steel, stainless steel, cast iron, non-ferrous, and superalloy workpieces
• LF chip breaker geometry optimized for finishing and light machining with maximum depth of cut of 1.25 mm (0.0492 inches)
• 80-degree diamond insert shape with 1/64-inch corner radius for sharp, controlled profiling cuts
• Positive rake (5 degrees) and positive side clearance reduce cutting forces on lighter cuts
• Honed cutting edge style extends edge life and improves surface finish consistency
• Screw-on holding method with 0.1142-inch hole diameter for secure, repeatable seating in compatible toolholders
• Conforms to ANSI and ISO standards; dual-certified insert code CCMT2151 / CCMT060204

Compatibility

Designed for use in screw-on style turning toolholders accepting CCMT2151 (ANSI) or CCMT060204 (ISO) inserts with a 0.1142-inch (2.80 mm) mounting hole diameter. Suitable for turning, facing, and boring applications across material groups P, M, K, N, and S as defined by ISO material classification.

Installation Notes

Installation is performed by a machinist or toolroom technician using the appropriate torx or hex key to seat the insert screw to the toolholder manufacturer's specified torque. Ensure the machine spindle is fully stopped and all energy sources are locked out before indexing or replacing inserts. Inspect the insert pocket and seating surface for chips or debris before seating a new insert, as contamination can cause insert rocking and premature edge failure. Do not exceed the maximum recommended depth of cut for this insert geometry.