Kyocera 8864062 Grooving Insert DB250 TN60 Cermet

Product Description

The KYOCERA 8864062 is a cermet grooving insert designed for precision grooving and parting operations on CNC lathes and turning centers. Built to ISO code DB250R15, this insert features a TiCN and NbC coating that improves wear resistance and extends tool life in ferrous and non-ferrous machining applications. The cutting width measures 6.35 mm with a maximum depth of cut of 19 mm, making it well suited to medium-depth grooving work. A positive rake geometry promotes cleaner chip flow and reduces cutting forces. This insert is installed and changed by machinists and CNC tooling technicians working in precision machining shops.

The 8864062 fits into the KDB series toolholding system and is appropriate for external grooving and recessing operations on turning equipment. The right-hand designation indicates the insert is oriented for standard right-hand cutting direction. With a corner radius of 0.38 mm and two cutting edges per insert, it supports efficient edge utilization before replacement. Typical applications include groove profiles in shafts, hydraulic components, and similar turned parts where controlled groove width tolerance is required.

Key Features

• Cermet substrate with TiCN and NbC coating for extended wear resistance
• 6.35 mm cutting width with a maximum depth of cut of 19 mm
• Positive rake geometry for reduced cutting forces and improved chip evacuation
• Two cutting edges per insert for improved economy
• 0.38 mm corner radius for controlled groove profile
• Clamp-style insert holding for secure, repeatable seating

Compatibility

Designed for use in KDB series grooving toolholders accepting DB250-style inserts with a right-hand cutting orientation. ISO code DB250R15. Catalog reference DB250R15TN60.

Installation Notes

Installation is performed by a qualified machinist or CNC tooling technician. Power down and lock out the machine spindle before changing inserts. Use the appropriate torque driver or clamp screw tool specified by the toolholder manufacturer to seat the insert securely — do not overtighten by hand estimation. Inspect the insert seat and clamp for debris or damage before installing a new insert.