Kennametal 3388466 Grooving Insert NR3M100 KC5025 2mm

Product Description

The KENNAMETAL 3388466 is a solid carbide grooving insert in the Top Notch series, designed for precision grooving and parting operations on CNC lathes and turning centers. Manufactured to grade KC5025 with a PVD-applied AlTiN coating, this insert delivers a 2.00 mm cutting width and a maximum depth of cut of 2.39 mm. The full-radius geometry with a 1.00 mm corner radius produces a smooth, consistent groove profile. Right-hand orientation and clamp-style holding method make it a direct fit for compatible Top Notch toolholders. Machinists and toolroom technicians working in high-production turning environments rely on this grade for its wear resistance and thermal stability.

This insert is suited for grooving operations on a range of workpiece materials corresponding to material grades C2 and C6, covering general-purpose steel, cast iron, and non-ferrous applications. It is a metric-dimensioned insert with an insert size designation of 3M100 and an included angle of 55 degrees. Typical applications include external grooving, undercut machining, and parting on medium-duty turning centers. The AlTiN coating supports dry or semi-dry cutting where heat resistance is a priority, reducing tool change frequency in production runs.

Key Features

• Solid carbide construction, grade KC5025 for wear and thermal resistance
• PVD AlTiN coating for high-temperature and abrasion resistance
• 2.00 mm cutting width with maximum depth of cut range of 2.00 to 3.00 mm
• Full radius geometry with 1.00 mm corner radius for consistent groove finish
• Right-hand orientation, clamp-style insert holding method
• Top Notch series compatibility, insert size 3M100, 55-degree included angle

Compatibility

Designed for use in KENNAMETAL Top Notch series toolholders that accept the NR insert style with a 3M100 insert size designation and clamp-style holding. Verify toolholder pocket specifications before installation.

Installation Notes

Insert replacement should be performed by a qualified machinist or toolroom technician with the machine in a full stopped and locked-out state. Seat the insert fully into the toolholder pocket before engaging the clamp; an improperly seated insert can fracture under cutting load. Inspect the toolholder pocket for wear or debris before installing a new insert. Follow the toolholder manufacturer torque guidelines for the clamp screw.