Kennametal 1113248 Grooving Insert NG3125 K313 Carbide

Product Description

The KENNAMETAL 1113248 is a solid carbide grooving insert in the Top Notch series, designed for external grooving and parting operations on CNC lathes and turning centers. This uncoated, bright-finish insert features a right-hand cutting orientation with a 0.125-inch (3.18 mm) cutting width and a maximum depth of cut of 0.150 inch (3.81 mm). Manufactured to grade K313, the insert carries a neutral rake geometry and a 55-degree included angle with a 0.0075-inch (0.19 mm) corner radius. It is installed by machinists and toolroom technicians working in production turning environments.

This insert is suited for grooving and profiling applications where consistent dimensional accuracy is required. The K313 carbide grade is appropriate for cutting non-ferrous materials, cast iron, and hardened materials corresponding to material grades C3 and C4. The NG3125 style insert seats into Top Notch compatible toolholders and blade-style grooving systems. The uncoated bright finish makes it straightforward to inspect for wear. It is a single-use, non-multi-use insert intended for precision grooving work in both production and job-shop turning environments.

Key Features

• Solid carbide construction, grade K313, for durability in grooving and parting cuts
• Uncoated bright finish for easy wear inspection
• 0.125-inch (3.18 mm) cutting width with maximum depth of cut of 0.150 inch (3.81 mm)
• Neutral rake geometry with 55-degree included angle
• 0.0075-inch (0.19 mm) corner radius for controlled groove edge definition
• Right-hand cutting orientation; part of the Top Notch series tooling system

Compatibility

Designed for use with Top Notch series compatible toolholders and grooving blade systems that accept the NG3125 insert style. Cross-reference manufacturer designation MSC/Manufacturer Number NG3125R/L.

Installation Notes

Installation is performed by a machinist or toolroom technician. Ensure the machine spindle is stopped and the turret is in a safe index position before seating or replacing the insert. Use the appropriate Top Notch clamping screw and torque it with the correct hex key per the toolholder manufacturer guidelines. Inspect the insert seat and clamping surfaces for debris before installation to ensure proper seating and prevent premature edge failure.