Iscar 5601383 Milling Insert Apkt 1604PDR-76 IC328

Product Description

The ISCAR 5601383 is a solid carbide milling insert carrying the ANSI designation APKT 1604PDR-76 in manufacturer grade IC328. It is a single-sided, parallelogram-shaped insert with a positive rake angle of 16 degrees and an 11-degree relief angle. The TiCN coating is applied via PVD process, providing wear resistance suited to productive milling cycles. With a cutting edge effective length of 17.30 mm and a maximum depth of cut of 15.30 mm, this insert is designed for HELIMILL series toolholders used in face and shoulder milling operations. Installation is performed by licensed machinists and CNC setup technicians in production and job-shop environments.

This insert is intended for milling steel, stainless steel, superalloys, and titanium, corresponding to ISO material groups P, M, and S. The right-hand cutting geometry and chamfered, honed cutting edge style make it well suited to finishing and semi-finishing passes where edge integrity and surface quality are priorities. The 76 chip breaker designation controls chip formation across the supported material range. It is sold individually with a minimum order quantity of 10 units per transaction.

Key Features

• TiCN PVD coating for extended tool life in steel and stainless steel milling
• Positive rake angle of 16 degrees reduces cutting forces
• Chamfered and honed cutting edge style improves edge stability
• Maximum depth of cut of 15.30 mm suits semi-finishing and roughing passes
• Screw-clamped insert holding method ensures secure, repeatable seating
• Compliant with ANSI and ISO 13399 standards for insert geometry identification

Compatibility

Designed for use in ISCAR HELIMILL series milling toolholders that accept APKT 1604 insert size seats with screw clamping. Confirm toolholder pocket geometry and insert size code 1604 compatibility before installation.

Installation Notes

This insert is installed and replaced by machinists or CNC tooling technicians. Disengage machine power and lock out the spindle before accessing the toolholder pocket. Use the correct torx or hex key to seat and tighten the clamping screw to the toolholder manufacturer's specified torque range — do not overtighten. Inspect the pocket seat and clamping screw for wear or damage each time inserts are indexed or replaced.