Kennametal 6441069 Milling Insert KCSM40 Solid Carbide

Product Description

The KENNAMETAL 6441069 is a solid carbide milling insert grade KCSM40, designed for high-performance face and shoulder milling in demanding metalworking applications. Featuring a square XELT insert style with a positive rake geometry and honed cutting edge, this insert is PVD-coated with a TiAlN and TiN dual-layer finish for extended tool life in abrasive and high-heat cutting environments. The insert measures 16.79 mm inscribed circle and 5.56 mm thick, carries a 1.19 mm corner radius, and provides 4 cutting edges per insert. It is held in place by screw clamping and is designed for single-sided use.

This insert is engineered for milling steel, stainless steel, superalloys, and titanium, covering ISO material application codes P, M, and S. It is well-suited for both roughing and finishing passes in CNC milling operations where consistent edge integrity and thermal resistance are critical. The positive rake design reduces cutting forces, making it effective for thin-wall parts and difficult-to-machine alloys. Installation is intended for use with Kennametal 7792VXE16 series cutter bodies. Licensed machinists and CNC tooling technicians are the primary installers.

Key Features

• Solid carbide substrate with PVD-applied TiAlN and TiN dual-layer coating for heat and wear resistance
• Square XELT insert shape with 90-degree included angle and positive rake for reduced cutting forces
• 4 usable cutting edges per insert, single-sided configuration
• 1.19 mm corner radius for controlled edge strength in steel and superalloy milling
• Honed cutting edge style reduces micro-chipping on difficult workpiece materials
• Right-hand cut orientation; screw-held insert mounting for repeatable indexing

Compatibility

Designed for use with Kennametal 7792VXE16 series cutter bodies. ANSI and ISO code: XELT160512ERD41. Insert size code 160512. Chip breaker designation D41. Compatible with steel, stainless steel, superalloys, and titanium workpiece materials per ISO codes P, M, and S.

Installation Notes

Installation should be performed by a qualified CNC tooling technician or machinist. Ensure the spindle is fully stopped and the machine is locked out before indexing or replacing inserts. Use the appropriate torx or hex key to torque the clamping screw per the cutter body manufacturer specification. Inspect the insert pocket seat and clamping screw for wear or damage before seating a new insert.