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The SANDVIK COROMANT 5736566 is a solid carbide grooving insert designed for precision grooving operations in metalworking applications. It belongs to the CoroCut 3 series and carries the ISO designation N123T3-0050-0000-GS 1125. The insert features a TiAlN coating applied via PVD process, a neutral rake angle of 7 degrees, and a GS chip breaker geometry. Cutting width is 0.50 mm (0.0197 inches) with a maximum depth of cut of 1.50 mm (0.0591 inches). This insert is installed by machinists and CNC tooling professionals in production and job-shop environments requiring tight-tolerance groove work.
This insert is suited for grooving and parting operations where narrow cutting widths and controlled chip evacuation are required. The CoroCut 3 series is engineered for small-groove applications in materials where a stable, sharp edge and consistent coating adhesion are critical. The neutral hand orientation makes it adaptable across standard grooving toolholders compatible with the N123 insert style and T seat size. Typical applications include groove turning on lathes and turning centers in both production and maintenance machining environments.
Designed for use with CoroCut 3 series toolholders accepting N123 style inserts with a T insert seat size. Consult the toolholder documentation for confirmed seat and clamping compatibility before installation.
Installation should be performed by a qualified machinist or CNC tooling technician. Ensure the machine spindle is fully stopped and all motion is locked out before handling or replacing inserts. Seat the insert firmly in the pocket and verify clamping torque per the toolholder manufacturer specification. Inspect the insert seat for debris or damage before seating a new insert to prevent premature edge failure.
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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