Sandvik Coromant 6868515 Turning Insert WNMG432-KF 3210

Product Description

The SANDVIK COROMANT 6868515 is a WNMG432-KF 3210 indexable turning insert designed for precision metal cutting on CNC and manual lathes. Built from solid carbide with a CVD-applied TiCN, Al2O3, and TiN multilayer coating, this insert delivers wear resistance and thermal stability across a range of turning operations. The trigon (W) insert shape provides an 80-degree included angle and six usable cutting edges per insert. A 1/32-inch corner radius and neutral hand orientation make it a versatile choice for finish and semi-finish turning. Machinists and CNC operators install this insert into compatible T-Max P toolholders as part of a high-productivity external turning setup.

This insert is optimized for primary use on cast iron workpiece materials (ISO material code K). The KF chip breaker geometry is suited for finishing and light semi-finishing passes where controlled chip formation and consistent surface finish are required. With a maximum depth of cut of 7.89 mm and an inscribed circle of 0.5000 inches (12.70 mm), it fits standard WNMG 08 04 08 toolholder pockets. It is held in place using a clamp and pin method, which is standard for this insert style. The ISO designation for this insert is WNMG 08 04 08-KF 3210.

Key Features

• CVD multilayer coating: TiCN, Al2O3, and TiN for wear resistance and heat management
• Six cutting edges per insert for extended tool life and lower cost per edge
• KF chip breaker geometry engineered for finishing passes on cast iron
• Neutral hand orientation compatible with both left- and right-hand toolholder setups
• Clamp and pin holding method provides secure seating under interrupted and continuous cuts
• Tolerance code M and clearance code N per ISO insert classification standards

Compatibility

Designed for use in WNMG 08 04 08 toolholder pockets within the SANDVIK COROMANT T-Max P turning system. ISO code WNMG 08 04 08-KF 3210 confirms fitment in any toolholder accepting WNMG-style inserts with clamp and pin holding. Verify pocket configuration and clamping hardware before installation.

Installation Notes

This insert is installed by qualified machinists or CNC tooling technicians. Power down and lock out the machine spindle before indexing or replacing inserts. Use the appropriate torque wrench and clamping hardware specified by the toolholder manufacturer — do not overtighten the clamp screw, as this can chip the insert or damage the pocket seat. Inspect the pocket seat and locating pin for wear or debris before seating a new insert.