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The ISCAR 5700465 is a ceramic turning insert designed for precision metal cutting in CNC and manual lathe applications. Manufactured under the Isoturn series, this insert carries the ANSI code CNMG 432 and ISO code CNMG 120408. It features an 80-degree diamond (rhombic) shape with a negative side clearance and is engineered for finishing operations. The Al2O3 and TiCN coating composition delivers high wear resistance, making it well suited for cutting cast iron and hardened materials. Installed by machinists and tool-room technicians, this insert fits standard CNMG-style toolholders using clamp or pin holding methods.
This insert is intended for finishing cuts on cast iron (ISO material group K) and hardened materials (ISO material group H), where high wear resistance and controlled chip formation are required. The T-style chip breaker geometry supports light, consistent passes at tight tolerances. It is appropriate for use in production turning environments, tool rooms, and maintenance machining operations where surface finish and dimensional control are the primary objectives. The 0.03-pound individual weight makes it easy to carry and store in standard insert trays.
Designed as an OEM-style replacement insert for CNMG 432-style toolholders accepting negative-rake ceramic inserts in the Isoturn series.
Insert replacement should be performed with the machine fully powered down and the spindle locked. Use the appropriate torque wrench and clamp hardware specified by the toolholder manufacturer when seating the insert. Inspect the insert pocket and clamp for wear or damage before installing a new insert. Handle ceramic inserts carefully to avoid chipping the cutting edge prior to use.
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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