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The SANDVIK COROMANT 5737179 is a solid carbide grooving insert designed for precision external grooving and parting operations on CNC lathes and turning centers. Part of the T-Max Q-Cut series, it features a TiAlN coating applied via PVD process, which provides thermal resistance and extended tool life in steel and stainless steel applications. The insert carries a 0.1181 inch (3.00 mm) cutting width, a 0.0079 inch (0.20 mm) corner radius, and a neutral hand orientation. Manufacturer grade 1125 with a 4G chip breaker geometry makes this insert well-suited for controlled chip formation in medium to finish turning conditions.
This insert is used in metal cutting applications where accurate groove width and wall finish are required. The neutral rake and 4G chip breaker geometry make it appropriate for use on both ferrous and non-ferrous workpieces. Typical install scenarios include external grooving, parting-off, and face grooving on production lathes in job shop and manufacturing environments. The ISO code N151.2-300-25-4G 1125 and insert seat size 25 define the toolholder compatibility. This is a multi-use insert style suited for high-volume turning programs where consistent performance is expected across multiple cutting edges.
Designed for use with T-Max Q-Cut series toolholders accepting insert seat size 25. ISO code N151.2-300-25-4G 1125 defines the applicable holder interface. Verify toolholder seat size and insert style compatibility before installation.
Installation should be performed by a qualified machinist or CNC setup technician. Ensure the machine spindle is fully stopped and all motion is locked out before handling or indexing inserts. Use the correct torque driver and insert clamp screw specified for the toolholder to avoid seat damage. Do not exceed the cutting parameters recommended for grade 1125 in the applicable material group.
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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