Iscar 5550317 DNMG332PP IC8250 Turning Insert Diamond 55

Product Description

The ISCAR 5550317 is a solid carbide turning insert in the DNMG332PP geometry, part of the Isoturn series. It features a multilayer PVD coating of TiCN, Al2O3, and TiN under the IC8250 manufacturer grade, designed for wear resistance and thermal stability during turning operations. The insert has a 55-degree diamond shape, a 3/8-inch inscribed circle, and a 1/32-inch corner radius. Insert length is 0.458 inches (11.63 mm) and thickness is 3/16 inch. This insert is installed and indexed by machinists and CNC lathe operators in production and job-shop environments.

The ISCAR 5550317 is suited for external and internal turning of steel and stainless steel workpiece materials, corresponding to ISO material groups P and M. The PP chip breaker geometry supports positive rake cutting action, which helps manage chip formation and cutting forces during medium-duty turning passes. Maximum depth of cut is 0.138 inches (3.50 mm). Typical applications include finishing and semi-finishing passes on turned components where consistent edge geometry and chip control are required.

Key Features

• IC8250 grade with PVD-applied TiCN, Al2O3, and TiN multilayer coating for wear and heat resistance
• 55-degree diamond insert shape (DNMG) with positive rake for reduced cutting forces
• PP chip breaker geometry for reliable chip control in P and M workpiece materials
• 3/8-inch inscribed circle with 1/32-inch corner radius for consistent tool engagement
• Compatible with clamp and pin insert holding methods
• Conforms to ISO 13399 standard for tool data representation

Compatibility

Designed as an OEM-style replacement or direct-fit insert for Isoturn series toolholders accepting DNMG332 geometry inserts with clamp or pin holding, tolerance code M, and clearance code N.

Installation Notes

Turning inserts are installed and indexed by qualified machinists or CNC setup technicians. Power down and lock out the machine spindle before changing or indexing any insert. Use the appropriate torque wrench and clamp hardware specified by the toolholder manufacturer to seat the insert correctly. Inspect the insert pocket and seating surface for chips or debris before installation to ensure proper insert support and edge life.