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The ACCUPRO 75211730 is a CI-style grooving insert designed for precision external and internal grooving operations on CNC lathes and turning centers. Built to grade ACP45M with a PVD coating, it delivers consistent performance in interrupted and continuous cut applications. The insert features a 3.000mm (0.1181 inch) cutting width and a 0.20mm (0.0079 inch) corner radius, making it well-suited for tight-tolerance groove profiles. A positive rake geometry reduces cutting forces and aids chip evacuation. The GMP chip breaker promotes controlled chip flow across a range of materials and feed rates. Machinists and CNC operators working in production or job-shop environments are the primary installers.
This insert is appropriate for grooving, parting, and related turning operations where a CI-series toolholder is in use. The 0.1181 inch cutting width suits applications requiring narrow, consistent groove widths with minimal deviation. The positive rake configuration is advantageous when machining softer steels, aluminum, and non-ferrous alloys, though the ACP45M grade and PVD finish extend utility into harder materials. The self-grip, clamp, and screw holding compatibility provides flexibility across a range of CI-series insert seats.
Designed for use with CI-series grooving toolholders that accept Size Code 30 inserts with clamp, screw, or self-grip holding methods.
Installation is performed by qualified machinists or CNC setup technicians. Power down and lock out the machine spindle before seating or removing the insert. Ensure the insert pocket and seating surface are clean and free of chips before installation. Do not exceed the toolholder manufacturer's recommended clamping torque specifications as stated in the toolholder documentation.
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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