Kennametal 1114316 Grooving Insert KC730 Tin Top Notch

Product Description

The KENNAMETAL 1114316 is a solid carbide grooving insert designed for precision external grooving and parting operations on CNC lathes and turning centers. Running in the Top Notch series, it features the NG3156K insert style with a KC730 grade substrate and a PVD-applied TiN coating that supports extended tool life in demanding cuts. The insert delivers a 3.96 mm (0.1559 inch) cutting width and a maximum depth of cut of 3.81 mm (0.1500 inch). A positive rake angle of 10 degrees and a K-style chip breaker promote clean chip evacuation and reduce cutting forces on workpiece materials in the C2, C3, and C4 material grade range. The right-hand orientation is suited to standard lathe spindle direction.

This insert is intended for use in metalworking environments where consistent groove geometry and finish are required. The NG3156K profile with a 0.19 mm (0.0075 inch) corner radius and a 55-degree included angle makes it well suited to grooving operations in ferrous and non-ferrous materials. It is typically installed by machinists and toolroom technicians working in production turning cells, job shops, and aerospace or general manufacturing applications requiring repeatable groove tolerances.

Key Features

• KC730 solid carbide grade with PVD TiN coating for wear resistance and surface finish
• 3.96 mm cutting width with a maximum depth of cut of 3.81 mm
• Positive 10-degree rake angle reduces cutting forces and promotes chip flow
• K-style chip breaker for controlled chip breaking in continuous grooving passes
• Right-hand insert orientation for standard turning setups
• 0.19 mm corner radius for defined groove edge geometry

Compatibility

Designed for use in Top Notch series grooving toolholders that accept the NG3156 insert size. Refer to KENNAMETAL Top Notch toolholder specifications to confirm pocket compatibility before installation.

Installation Notes

Installation should be performed by a qualified machinist or toolroom technician. Power down and lock out the machine spindle before seating or removing inserts. Use the appropriate Torx or hex key to the toolholder manufacturer's recommended seating procedure — do not overtighten the clamp screw. Verify insert orientation and depth stop against the workpiece drawing before engaging the cut.