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The WALTER 6166566 is a solid carbide grooving insert carrying grade WSM23S and the GX4E600N300RF8 designation within the Tiger-tec series. It features a PVD-applied multilayer coating of Al2O3, TiAlN, and ZrCN engineered for heat resistance and extended tool life in demanding cutting conditions. The insert delivers a 6 mm cutting width with a maximum depth of cut of 3 mm and a full-radius corner profile at 3 mm radius. The RF8 chip breaker geometry promotes controlled chip evacuation during grooving operations. Licensed machinists and CNC operators working in precision metalcutting environments are the primary installers of this insert.
This insert is suited for grooving operations on superalloys and a range of metallic workpiece materials classified under ISO material grades M20, S20, and P20. It fits applications in both production and job-shop environments where consistent groove geometry and tight tolerances are required. The double-end configuration allows both ends of the insert to be used, extending service intervals between changeovers. It is clamped into compatible GX-system toolholders and is part of a multi-use tooling platform.
Designed for use in GX-system clamp-style toolholders compatible with 4E-size inserts. Meets ANSI and ISO insert standards; catalog reference GX24-4E600N300-RF8. Intended for superalloy, stainless, and steel workpiece materials per ISO material codes M, P, and S.
Insert installation and indexing should be performed by a qualified machinist with the machine powered off and spindle locked. Use the appropriate torque wrench and clamp screw specified by the toolholder manufacturer - do not overtighten the clamp, as this can fracture the carbide. Inspect the toolholder pocket and clamp for wear or debris before seating a new insert. Follow the machine tool manufacturer's safe toolchange procedures and applicable shop safety protocols.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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