Sandvik Coromant 6426506 Cutoff Insert 6mm Corocut Qd

Product Description

The SANDVIK COROMANT 6426506 is a solid carbide cutoff and grooving insert belonging to the CoroCut QD series. It is designed for parting and grooving operations on CNC lathes and turning centers. The insert features a 6 mm (0.2362 inch) cutting width, a neutral hand orientation, and a 0.30 mm corner radius. The CM chipbreaker geometry promotes reliable chip control across a range of materials. A PVD-applied TiCN/Al2O3/TiN coating provides wear resistance and extends tool life in demanding turning applications. This insert is installed and changed by machinists and CNC turning specialists.

The 6426506 is suited for grooving and parting operations in both production and job-shop environments. It fits turning centers equipped with CoroCut QD-compatible toolholders using a clamp-style insert holding method with a K-size insert seat. Typical applications include external grooving, parting off, and profile turning on metals and alloys where precise width tolerances are required. The insert has no full radius and carries a 7-degree relief angle, making it appropriate for standard cutoff and groove applications where clearance is a factor.

Key Features

• 6 mm (0.2362 inch) cutting width with a width tolerance of 0.001969 inch for dimensional consistency
• Solid carbide substrate with manufacturer grade 1135 for durability in turning applications
• PVD-applied TiCN/Al2O3/TiN multilayer coating for wear resistance
• CM chipbreaker geometry for controlled chip evacuation during grooving and parting
• Neutral hand insert for flexible toolholder compatibility
• Clamp-style holding method with K-size insert seat for secure clamping

Compatibility

Designed for use with CoroCut QD series toolholders that accept a K-size insert seat with clamp-style holding. Verify toolholder compatibility with the CoroCut QD system before ordering.

Installation Notes

Insert changes on CNC turning centers should be performed with the machine powered down and the spindle fully stopped. Use the correct clamping screw torque as specified by the toolholder manufacturer — do not over-torque the clamp screw. Ensure the insert seat is clean and free of chips or debris before seating the insert. This work is typically performed by a machinist or CNC setup technician following shop safety procedures.