Iscar 5507758 Turning Insert CNMG432GN IC8350 Carbide

Product Description

The ISCAR 5507758 is a solid carbide turning insert in the CNMG432GN geometry, designed for use on CNC lathes and turning centers. It carries an IC8350 manufacturer grade with a CVD-applied multilayer coating of TiCN, Al2O3, and TiN, providing wear resistance and thermal stability during continuous and interrupted cuts. The insert features an 80-degree diamond shape (Style C), a 0-degree relief angle (Clearance Code N), and a tolerance code of M. The GN chip breaker geometry controls chip flow across a range of feed rates and depths of cut. Machinists, toolroom operators, and CNC turning specialists are the typical end users for this insert.

The ISCAR 5507758 is suited for turning steel (ISO P) as its primary workpiece material and stainless steel (ISO M) as its secondary workpiece material. It is part of the Isoturn series, which covers a broad range of external and internal turning applications on light to medium-duty cuts in production machining environments. The GN chip breaker makes it a practical choice for general-purpose turning where consistent chip control is required across varying depths of cut up to 4.50 mm (0.177 inches).

Key Features

• IC8350 grade with CVD-applied TiCN, Al2O3, and TiN multilayer coating for wear and heat resistance
• 80-degree diamond insert shape (Code C) with 0-degree relief angle for stable, rigid cutting edge
• GN chip breaker geometry for reliable chip control in steel and stainless turning
• Inscribed circle of 0.500 inches and insert length of 12.90 mm (0.508 inches) for consistent fitment in standard CNMG toolholders
• Compatible with clamp and pin insert-holding methods
• Meets ISO 13399 tooling data standards

Compatibility

Designed as a direct-fit replacement for CNMG432 form-factor inserts in standard CNMG toolholders that accept clamp or pin retention. Compatible with toolholders conforming to the CNMG insert style with a 0.203-inch hole diameter and 3/16-inch insert thickness.

Installation Notes

Installation is performed by qualified machinists or CNC toolroom technicians. Power down and lock out the machine spindle before changing inserts. Seat the insert fully against the toolholder pocket locating surfaces and confirm the clamp or pin is secure before resuming cuts. Do not exceed the maximum depth of cut specified for the insert grade and geometry to avoid edge fracture.