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The SANDVIK COROMANT 8019564 is a solid carbide turning insert designed for precision metal-cutting operations on CNC lathes and turning centers. It carries the ISO designation SPMR 12 03 08-53 4425 and features a CVD-applied multilayer coating of TiCN, Al2O3, and TiN for wear resistance and thermal stability during continuous or interrupted cuts on steel workpieces. The insert has a neutral hand orientation, a 0.5-inch inscribed circle, and a 0.0313-inch corner radius, making it suited to moderate-depth finishing and semi-finishing passes. Licensed machinists and CNC operators install this insert as a direct OEM-grade component in compatible toolholders.
This insert is intended for turning steel and similar primary workpiece materials in production and job-shop environments. The SPMR-53 series chip breaker geometry controls chip flow during moderate feed rates, reducing the risk of chip packing and tool damage. It suits both horizontal and vertical turning configurations where a square insert shape with an 11-degree relief angle is specified. The neutral hand designation makes it adaptable to both right-hand and left-hand toolholder pockets depending on setup requirements.
Designed as an OEM-style replacement turning insert for SPMR-style toolholders requiring a square insert shape with tolerance code M, clearance code P, and a 0.5-inch inscribed circle. Confirm holder pocket geometry against the ISO code SPMR 12 03 08-53 before installation.
Turning inserts are installed and indexed by qualified machinists or CNC tooling technicians. Power down and lock out the machine spindle before changing or indexing any insert. Use the correct torque wrench and clamp screw specified by the toolholder manufacturer — do not overtighten, as this can fracture the carbide. Inspect the toolholder pocket for wear or debris before seating a new insert.
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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