Sumitomo 19HWW05 Turning Insert Ccmt 80 Diamond AC520U

Product Description

The SUMITOMO 19HWW05 is a solid carbide turning insert engineered for precision metal cutting in CNC and manual turning applications. It carries the CCMT insert style with an 80-degree diamond shape, a 1/4 inch inscribed circle, and a corner radius of 0.0078 inches. The insert is coated using a PVD process with Sumitomo's proprietary ZX coating under the AC520U manufacturer grade. The ESU chip breaker geometry promotes positive rake cutting, reducing cutting forces and improving chip control. With a neutral hand orientation, this insert suits a wide range of turning toolholders. Machinists and CNC operators working in production or job-shop environments install these inserts as indexable cutting edges on standard turning tools.

This insert is suited for turning operations on stainless steel and superalloy workpiece materials, classified under ISO material groups M and S. The positive rake angle of 8 degrees and the 7-degree relief angle support clean, efficient cuts on these difficult-to-machine materials. The ESU chip breaker is designed to manage stringy chips common in stainless and high-temperature alloy turning. It is appropriate for finishing and light semi-finishing passes where edge sharpness and surface finish matter. This insert is sold individually but carries a minimum order quantity of 10 units.

Key Features

• CCMT insert style with 80-degree diamond shape and positive rake geometry
• AC520U grade with PVD-applied ZX proprietary coating for extended tool life on difficult materials
• ESU chip breaker geometry controls chips in stainless steel and superalloy turning
• Corner radius of 0.0078 inches supports fine surface finish in light finishing passes
• Neutral hand orientation for broad toolholder compatibility
• Screw-holding method with 0.1100 inch hole diameter for secure insert clamping

Compatibility

Designed for use in CCMT-style screw-on turning toolholders accepting a 1/4 inch inscribed circle insert. Conforms to ANSI and ISO 13399 standards. ISO code CCMT060202N-SU. Compatible with material grades C2 and C3 per standard classification.

Installation Notes

Installation is performed by qualified machinists or CNC tooling technicians. Ensure the machine spindle is fully stopped and the toolholder is secured before indexing or replacing the insert. Use the appropriate torx or hex key to torque the clamping screw to the toolholder manufacturer's specification — do not overtighten. Inspect the insert seat and chip breaker pocket for debris before seating the new insert to ensure proper contact and runout.