Seco 03093916 CNMG432-M5 TP3501 Turning Insert Carbide

Product Description

The SECO 03093916 is a CNMG432-M5 series indexable turning insert with a TP3501 Duratomic CVD coating combining TiCN, Al2O3, and Cr layers on a solid carbide substrate. The 80-degree diamond shape and negative rake geometry provide strong cutting edge support for heavy interrupted cuts and general turning applications. With a 0.5 inch inscribed circle, 0.031 inch corner radius, and four usable cutting edges, this insert delivers consistent tool life across roughing and semi-finishing passes in steel and stainless steel. It is installed by machinists and toolroom technicians on CNC lathes and turning centers.

This insert is suited for boring, facing, and turning operations in production and job-shop environments. Primary workpiece material is steel at material grades P20, P30, and P40. Secondary workpiece material is stainless steel. The M5 chip breaker geometry is designed to manage chip control across a broad range of feed rates and depths of cut. Maximum depth of cut is 0.476 inches. The insert is compatible with CNMG-style toolholders using clamp, pin, or lever lock holding methods.

Key Features

• Duratomic CVD coating: TiCN, Al2O3, and Cr layers for wear resistance and thermal stability
• 80-degree diamond insert shape with negative rake for high edge strength
• Four cutting edges per insert for extended tool life and lower cost per edge
• M5 chip breaker geometry optimized for steel and stainless steel at varying feed rates
• Chamfered and honed cutting edge style for improved edge security
• Compatible with clamp, pin, and lever lock toolholder systems
• Meets ANSI and ISO standards; ISO code CNMG120408-M5

Compatibility

Designed for use in CNMG-style indexable turning toolholders accepting clamp, pin, or lever lock insert retention. Suitable for boring, facing, and turning operations on steel (P20, P30, P40) and stainless steel workpiece materials. Conforms to ANSI and ISO CNMG120408-M5 dimensional standards.

Installation Notes

Installation is performed by qualified machinists or toolroom technicians. Power down and lock out the machine spindle before indexing or replacing inserts. Use the appropriate torque wrench and manufacturer-specified fastener for the toolholder clamping system to avoid insert movement or fracture. Inspect the toolholder pocket and seating surface for chips or wear before seating the insert.