Iscar 5507706 Turning Insert SNMG643NR IC8250 Carbide

Product Description

The ISCAR 5507706 is a solid carbide turning insert designed for precision metal cutting on CNC lathes and turning centers. Manufactured to the SNMG insert style with a square shape and 90-degree included angle, this insert carries a multilayer PVD coating of TiCN, Al2O3, and TiN for extended wear resistance and thermal protection during interrupted or continuous cuts. The IC8250 manufacturer grade is engineered for applications in steel and stainless steel workpiece materials. A 0.75-inch inscribed circle and 0.047-inch corner radius make it suitable for moderate to heavy stock removal within the Isoturn series platform.

This insert is intended for turning operations in industrial and production machining environments. Primary workpiece materials are steel (ISO P) and stainless steel (ISO M), covering a wide range of common shop applications. The insert is held in the toolholder using either a clamp or pin method, providing flexibility across compatible toolholder styles. Maximum depth of cut is 0.315 inches (8.00 mm), making it appropriate for medium to roughing pass work. The chip breaker designation is NR. This insert is typically installed by machinists and CNC operators in job shops, aerospace, and general manufacturing settings.

Key Features

• IC8250 carbide grade with multilayer PVD coating: TiCN, Al2O3, and TiN for heat and wear resistance
• SNMG insert style with 90-degree included angle and square insert shape (Shape Code: S)
• 0.75-inch inscribed circle and 0.047-inch corner radius for controlled cutting geometry
• Maximum depth of cut of 0.315 inches (8.00 mm) suitable for medium to roughing passes
• Compatible with clamp and pin toolholder holding methods
• Conforms to ISO 13399 standards for cutting tool data representation

Compatibility

Designed for use in SNMG-style toolholders compatible with the Isoturn series. Suitable for turning steel and stainless steel workpieces per ISO material codes P and M. Clamp and pin holding methods are supported.

Installation Notes

Installation is performed by machinists or CNC operators. Power down and lock out the machine spindle before seating or replacing inserts. Use the appropriate torque wrench per toolholder manufacturer specifications when tightening the clamp screw - do not overtighten. Inspect the toolholder pocket for chips or wear before seating a new insert to ensure proper seating and runout control.