Iscar 5698918 Milling Insert Ofmt 05T305TN-76 IC928

Product Description

The ISCAR 5698918 is a solid carbide milling insert carrying the manufacturer designation OFMT 05T305TN-76 IC928, designed for use in HELIOCTO series milling tool bodies. The insert features an octagon shape with 8 available cutting edges, a TiAlN coating applied via PVD process, and a positive rake geometry with a T-Land cutting edge style. At 0.157 inches thick with a 0.5 inch inscribed circle and a corner radius of 0.0236 inches, it is engineered for productive face and shoulder milling. Licensed machinists and CNC tooling specialists install and index this insert during planned tooling changeovers in production machining environments.

This insert is suited for milling operations on steel, stainless steel, superalloys, and titanium workpieces, corresponding to material application codes P, M, and S. It is a single-sided, neutral-hand insert with a maximum depth of cut of 0.16 inches and a cutting edge effective length of 0.16 inches. Typical applications include rough-to-finish face milling and shoulder milling on CNC machining centers handling difficult-to-machine alloys. The chip breaker designation 76 is optimized for chip control across this range of workpiece materials. The insert is held in the tool body by screw clamping.

Key Features

• Octagon insert shape with 8 cutting edges for extended tool life per insert
• IC928 grade with TiAlN PVD coating for high-temperature wear resistance on steel and superalloys
• Positive rake, T-Land cutting edge style reduces cutting forces and supports chipping resistance
• Neutral hand orientation provides installation flexibility across compatible tool bodies
• Maximum depth of cut of 0.16 inches and corner radius of 0.0236 inches suit both roughing and semi-finishing passes
• Compliant with ANSI and ISO 13399 standards for tooling data interoperability

Compatibility

Designed for use in ISCAR HELIOCTO series milling tool bodies that accept OFMT 05T305 style inserts with a 0.5 inch inscribed circle. Consult the ISCAR HELIOCTO tooling catalog to confirm cutter body compatibility before ordering.

Installation Notes

Insert indexing and replacement should be performed by a qualified machinist or tooling technician with the machine fully powered down and the spindle locked. Use the correct torx or hex key specified by the tool body manufacturer when tightening the clamping screw — do not overtighten. Inspect the insert pocket seating surface and clamping screw condition before installing a new insert. Follow all applicable shop safety procedures and machine guarding requirements during tooling changeovers.