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The KENNAMETAL 2275086 is a solid carbide grooving insert designed for precision grooving and parting operations on CNC lathes and turning centers. Running the KC5010 grade with a PVD-applied TiAlN coating, this insert delivers wear resistance and thermal stability in steel, cast iron, and similar workpiece materials. The neutral hand orientation suits straight-in plunge grooving. Cutting width is 0.25 inches (6.35 mm) and maximum depth of cut is 0.185 inches (4.70 mm). The GMN chip breaker geometry controls chip flow in interrupted and continuous groove cuts. Machinists and CNC operators working in production turning environments are the primary users.
This insert belongs to the Series A4 grooving system and is sized for medium-depth groove profiles. The 0.25-inch cutting width is common in external grooving, undercut, and snap-ring groove applications on turned components. The corner radius is 0.0315 inches (0.80 mm), which provides a controlled blend at groove walls without a full-radius profile. It is cataloged under manufacturer number A4G250I06P2GMN and is suited for shops running moderate to high-production turning cycles where consistent groove geometry and tool life are priorities. The insert is sold individually but carries a minimum order quantity of 10 units.
Designed for use with Series A4 grooving toolholders that accept the G250I06 insert size. Verify holder compatibility using manufacturer catalog number A4G250I06P2GMN when cross-referencing toolholder specifications.
Installation is performed by qualified machinists or CNC tooling technicians. Always power down and lock out the machine spindle before seating or removing inserts. Use the correct torx or clamping wrench specified for the A4 series toolholder to avoid damaging the insert pocket or clamping mechanism. Inspect the insert pocket and clamp for chips or debris before seating the new insert to ensure proper seating and runout.
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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