Iscar 5601921 Milling Insert O45MT 050505-RM IC328 Ticn

Product Description

The ISCAR 5601921 is a solid carbide milling insert designed for high-performance face and shoulder milling in the CHAMMILL series. Carrying the ANSI/ISO designation O45MT 050505-RM in grade IC328, this insert features an octagon shape with 8 available cutting edges, a TiCN PVD coating, and a positive rake geometry. The chip breaker designation is RM, the corner radius is 0.0197 inches (0.50 mm), and the inscribed circle measures 0.4543 inches. With a thickness of 0.1970 inches and a maximum depth of cut of 0.1300 inches, it is sized for moderate material removal in precision milling applications. Installation is via screw-holding method.

This insert is suited for milling steel, stainless steel, superalloys, and titanium, covering material grades C2, C3, C5, and C6 (ISO designations P, M, and S). It is compatible with ISCAR CHAMMILL cutter bodies in the FDN-CM, ECM, and ERCM series. Typical applications include face milling and square shoulder milling on CNC machining centers in both production and job-shop environments. The neutral hand orientation and honed cutting edge style make it a versatile choice across a range of workpiece conditions.

Key Features

• Octagon insert shape with 8 cutting edges for extended tool economy
• IC328 grade with TiCN PVD coating for wear resistance in steel and stainless steel
• Positive rake geometry with RM chip breaker for efficient chip control
• 0.0197 inch corner radius for controlled surface finish
• Maximum depth of cut of 0.1300 inches (3.30 mm)
• Meets ANSI and ISO 13399 standards

Compatibility

Designed for use with ISCAR CHAMMILL cutter bodies in the FDN-CM, ECM, and ERCM series. Fits holders using screw-retained octagon inserts with the O45MT 050505-RM seat geometry.

Installation Notes

Installation is performed by qualified machinists or tooling technicians. Ensure the machine spindle is fully stopped and locked out before changing inserts. Seat the insert fully into the pocket and torque the clamping screw per the cutter body manufacturer specification. Inspect the pocket seating surface for chips or damage before seating a new insert, as debris under the insert can cause premature edge failure or dimensional error.