Seco 02747686 Milling Insert MM4500 Solid Carbide

Product Description

The SECO 02747686 is a solid carbide milling insert designed for indexable milling operations in professional machining environments. Manufactured to the ONMU090520ANTN-M12 insert geometry specification and offered in the MM4500 grade, this insert features a TiCN and Al2O3 coating stack for elevated wear resistance and thermal stability during interrupted and continuous milling cuts. At 0.866 inches in width, it is sized for mid-range milling bodies. Installation and tooling management is handled by machinists and CNC tooling technicians working in metal removal applications.

This insert is suited for indexable milling toolholders accepting the ONMU insert form factor. The MM4500 grade with TiCN and Al2O3 coating is generally applied in steel and cast iron milling where heat generation and edge wear are primary concerns. It is used in production and job shop environments on vertical and horizontal machining centers as well as manual knee mills where the appropriate toolholder body is in use.

Key Features

• Solid carbide substrate provides rigidity and resistance to deformation under cutting loads
• TiCN coating layer improves surface hardness and abrasion resistance
• Al2O3 coating layer adds thermal barrier properties for high-temperature cutting zones
• ONMU090520ANTN-M12 geometry delivers controlled chip formation in milling applications
• MM4500 grade designation ensures consistent material and coating specification across the insert batch

Compatibility

Designed as a direct-fit indexable milling insert for toolholder bodies accepting the ONMU insert seat geometry. Confirm seat geometry, pocket dimensions, and clamping style against the toolholder specification before ordering.

Installation Notes

Insert seating and torque should follow the toolholder manufacturer specifications for the ONMU pocket style. Ensure the toolholder and spindle are fully powered down and locked out before indexing or replacing inserts. Use the appropriate insert key or Torx driver as specified by the toolholder manufacturer. Inspect the insert pocket for debris or damage before seating a new insert to ensure full contact and proper clamping.