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The KENNAMETAL 1817703 is a solid carbide grooving insert in the Top Notch series, designed for precision external grooving operations on CNC lathes and turning centers. The insert carries a KC5010 grade designation and features a Physical Vapor Deposition (PVD) TiAlN coating for extended tool life in demanding cutting conditions. It delivers a 3.00 mm cutting width with a maximum depth of cut of 3.81 mm and a positive rake angle of 10 degrees to reduce cutting forces. A corner radius of 0.19 mm supports clean, controlled groove geometry. Machinists and tooling technicians working in production turning environments install this insert as a direct indexable component.
This insert is suited for grooving applications in ferrous and non-ferrous materials classified under material grades C3 and C4. The right-hand orientation and NG-style insert profile make it compatible with Top Notch series toolholders configured for right-hand cutting. The K chip breaker geometry helps manage chip evacuation in medium-depth groove operations. Typical applications include part-off preparation, undercut grooving, and groove finishing on turned components in job shop and production environments.
Designed for use with Top Notch series toolholders accepting NG-style inserts in right-hand configurations. Insert size is 3M300 per the manufacturer designation NG3M300R/LK.
Installation of indexable grooving inserts should be performed by a qualified machinist or tooling technician. Power down and lock out the machine spindle before seating or indexing the insert. Use the correct torx or clamp-style key specified for the Top Notch toolholder to secure the insert without over-torquing the clamping mechanism. Confirm insert orientation and seating before resuming cutting operations.
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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