Kennametal 1113523 Grooving Insert NR3062 K68 Carbide

Product Description

The KENNAMETAL 1113523 is a solid carbide grooving insert designed for external grooving and turning operations on CNC lathes and turning centers. Manufactured to the NR insert style in grade K68, this uncoated bright-finish carbide insert delivers consistent performance in finish and semi-finish grooving applications. The insert features a 3.18 mm (0.125 inches) cutting width and a maximum depth of cut of 3.81 mm (0.150 inches), with a full-radius geometry and a corner radius of 1.59 mm (0.063 inches). Right-hand orientation and neutral rake geometry make it suitable for precise groove profiling. Machinists and CNC turning specialists install this insert as part of the Kennametal Top Notch toolholding system.

This insert is applied in precision turning environments where controlled groove width and depth are critical. It is suited for machining non-ferrous metals, cast iron, and hardened materials where the K68 uncoated carbide grade performs effectively. The Top Notch series is a common platform in production turning shops handling both light and moderate grooving operations. It fits into compatible Top Notch grooving toolholders and is appropriate for residential shop and industrial production floor use alike.

Key Features

• NR insert style with full radius geometry for smooth groove profiles
• Solid carbide K68 grade, bright uncoated finish for sharp cutting edge retention
• Cutting width of 3.18 mm (0.125 inches) with a 1.59 mm (0.063 inches) corner radius
• Maximum depth of cut range of 3.00 mm to 4.00 mm (0.150 to 0.200 inches)
• Right-hand orientation with neutral rake for consistent chip control
• Part of the Kennametal Top Notch series for broad toolholder compatibility

Compatibility

Designed for use with Kennametal Top Notch series grooving toolholders compatible with NR3062 insert size. The MSC and manufacturer cross-reference number for this insert is NR3062R/L.

Installation Notes

Installation is performed by a qualified machinist or CNC turning technician. Power down and lock out the machine before seating or replacing inserts. Use the appropriate Kennametal Top Notch clamping system to secure the insert; do not over-tighten the clamping screw beyond the toolholder manufacturer specifications. Inspect the insert pocket for wear or debris before seating a new insert to ensure proper seating and edge alignment.