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The KENNAMETAL 4175965 is a solid carbide grooving insert designed for precision turning and grooving operations on CNC lathes and turning centers. Manufactured to the NRD3031 insert style within the Top Notch series, it features an AlTiN coating applied via PVD process, delivering improved heat resistance and wear life in demanding cutting conditions. The insert provides a 1.58 mm cutting width and a maximum depth of cut of 3.18 mm, making it well-suited for shallow to medium-depth grooving applications. The full-radius geometry with a 0.79 mm corner radius produces a consistent, clean groove profile. Installation is tool-holder-dependent using a clamp-style holding method. This insert is intended for use by machinists and CNC operators in production and job shop environments.
The 4175965 is a left-hand insert formatted for metric measurement, sized at 3031 within the Top Notch series. It is appropriate for grooving operations where maximum depth of cut falls in the 3.00 mm to 4.00 mm range. The KCU10 manufacturer grade and AlTiN coating support use in a variety of workpiece materials corresponding to material grades C3 and C4. The 55-degree included angle and full-radius profile make it a practical choice for internal or external grooving on turned components where dimensional accuracy and surface finish are critical.
Designed for use with Top Notch series clamp-style grooving toolholders that accept NRD3031 left-hand inserts. Refer to KENNAMETAL Top Notch series toolholder documentation to confirm holder compatibility before installation.
This insert is installed and replaced by a qualified machinist or CNC operator. Power down and lock out the machine spindle before performing any insert change. Seat the insert fully against the toolholder pocket and confirm the clamp is secure before resuming cuts. Do not exceed the rated maximum depth of cut for this insert geometry.
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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