Kennametal 1113588 NG3088 K68 Grooving Insert Solid Carbide

Product Description

The KENNAMETAL 1113588 is a solid carbide grooving insert in the Top Notch series, designed for precision grooving operations on CNC lathes and turning centers. This uncoated, right-hand insert carries a manufacturer grade of K68 and an insert size designation of NG3088. It delivers a cutting width of 2.24 mm (0.0882 inches) and a maximum depth of cut of 2.39 mm (0.0941 inches), making it suited for fine, accurate groove profiles. The neutral rake geometry and 0.19 mm (0.0075 inches) corner radius support clean chip formation in a range of workpiece materials. Licensed machinists and CNC operators typically specify this insert for production turning applications.

This insert is intended for use in Top Notch series grooving toolholders and compatible insert pockets designed for the NG3088 insert style. It is well suited for grooving operations in metalworking environments - including job shops and production facilities - where tight groove width and depth tolerances are required. The included angle of 55 degrees and a lead angle of 3 degrees contribute to controlled cutting action. Material grade C3 positions this insert for use on cast iron, nonferrous metals, and similar materials where an uncoated carbide substrate is preferred over coated grades.

Key Features

• Solid carbide substrate with K68 grade - bright/uncoated finish for reduced built-up edge in nonferrous and cast iron applications
• Cutting width of 2.24 mm (0.0882 inches) for precise groove sizing
• Maximum depth of cut of 2.39 mm (0.0941 inches); operating range 2.00 to 3.00 mm (0.0750 to 0.1000 inches)
• Neutral rake geometry with 0.19 mm (0.0075 inches) corner radius for consistent chip control
• Right-hand insert orientation for standard OD grooving setups
• Top Notch series design for secure, repeatable insert seating in compatible toolholders

Compatibility

Designed for use with Top Notch series grooving toolholders and insert blocks that accept the NG3088 insert style. Confirm toolholder pocket specifications before ordering to ensure proper fit and clamping.

Installation Notes

Insert installation and replacement should be performed by a qualified machinist or CNC tooling technician. Power down and lock out the machine spindle before removing or seating any insert. Use the appropriate torque wrench and clamping screw specified by the toolholder manufacturer - do not overtighten, as carbide inserts are brittle and can fracture under excessive clamping force. Inspect the insert pocket and clamping components for wear or debris before seating a new insert.