Seco 03064476 CNMG431-MF2 TK1501 Carbide Turning Insert

Product Description

The SECO 03064476 is a solid carbide turning insert in the CNMG series, designed for precision finishing operations on CNC and manual lathes. Manufactured to ANSI and ISO standards, this insert carries the industry code CNMG431-MF2 (ISO: CNMG120404-MF2) and is produced in grade TK1501 with a CVD-applied Duratomic multilayer coating of TiCN, Al2O3, and Cr for enhanced wear resistance. The insert features an 80-degree diamond (rhombic) shape, a neutral hand, and a negative rake geometry with a chamfered and honed cutting edge. With four usable cutting edges and a 1/2 inch inscribed circle, it delivers consistent performance in high-volume finishing applications on steel, stainless steel, and cast iron workpieces.

This insert is suited for finishing passes in turning, facing, and boring operations on CNC turning centers and manual lathes in production and job shop environments. The MF2 chip breaker geometry is optimized for finishing cuts where close tolerances and fine surface finishes are required. It is appropriate for machinists and CNC operators working with steel (P), stainless steel (M), and cast iron (K) materials. The TK1501 grade is rated for high wear resistance to moderate wear resistance and toughness across all three primary workpiece material groups.

Key Features

• CNMG431-MF2 geometry with MF2 chip breaker optimized for finishing operations on steel, stainless steel, and cast iron
• CVD-applied Duratomic TiCN, Al2O3, and Cr multilayer coating for extended tool life under wear-intensive conditions
• Four usable cutting edges per insert for reduced cost per edge in high-volume production
• Negative rake, negative side clearance geometry compatible with clamp, pin, and lever lock toolholding systems
• 80-degree diamond insert shape with chamfered and honed cutting edge for consistent edge quality
• Conforms to ANSI and ISO standards; compatible with standard CNMG-style toolholders

Compatibility

Designed as an OEM-style replacement or direct-fit insert for standard CNMG toolholders accepting a 1/2 inch inscribed circle, negative rake insert with clamp, pin, or lever lock holding methods. No specific machine or toolholder model numbers were provided in the product data.

Installation Notes

Installation is performed by CNC machinists and tooling technicians; always power down and lock out the machine spindle before seating or indexing inserts. Ensure the insert pocket and seating surfaces are clean and free of chips or debris before securing the insert with the appropriate clamp, pin, or lever lock mechanism. Do not exceed the maximum depth of cut of 0.4921 inches as specified. Follow the toolholder manufacturer torque recommendations for the clamping screw.