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The ISCAR 6403581 is a solid carbide grooving insert in the Cut-Grip series, designed for precision external grooving and parting operations on CNC lathes and turning centers. The insert carries ISCAR grade IC908 with a PVD-applied TiAlN coating, which provides heat resistance and wear performance across a broad range of workpiece materials. It features a 0.8 mm cutting width, a maximum depth of cut of 1.5 mm, and an overall length of 10.00 mm (0.3937 inches). The double-ended configuration maximizes tool life per insert. A positive rake angle of 8 degrees and the X chip breaker geometry support controlled chip formation during grooving. Installation is performed by licensed machinists or tooling technicians on equipped CNC turning equipment.
This insert is suited for grooving and parting applications across universal workpiece materials, including steel, stainless steel, cast iron, non-ferrous alloys, and high-temperature alloys, as indicated by primary workpiece material codes P, M, K, H, and S. The right-hand cutting orientation and clamp-style insert holding method make it compatible with standard Cut-Grip toolholders. It is applicable in both production turning environments and job shop settings where tight groove tolerances and minimal burr are required.
Designed for use with ISCAR Cut-Grip series toolholders that accept the GEPI insert style in the 080000 size code. Compatible across primary workpiece material codes P, M, K, H, and S per ISCAR designation.
Installation should be performed by a qualified machinist or CNC tooling technician. Shut down the machine spindle and confirm the turret is fully stopped before seating or removing the insert. Use the appropriate torx or hex key as specified by the toolholder manufacturer to secure the clamping mechanism. Inspect the insert pocket and clamping surfaces for chips or debris before installation to ensure full seating and accurate cutting geometry.
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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