Kennametal 1819335 DNMG431FP KT315 Cermet Turning Insert

Product Description

The KENNAMETAL 1819335 is a DNMG431FP turning insert in grade KT315, manufactured from cermet with a multilayer PVD coating of TiN, TiCN, and TiN. It carries a 55-degree diamond (rhombic) shape with a neutral hand orientation and a negative rake and relief angle. The 0.5-inch inscribed circle and 1/64-inch corner radius suit finishing operations requiring high wear resistance across steel, stainless steel, and cast iron workpiece materials. With four usable cutting edges and an FP chip breaker geometry, this insert is installed by machinists and CNC turning specialists in production and job-shop turning applications.

This insert is designed for finishing cuts on steel (P), stainless steel (M), and cast iron (K) workpieces where consistent surface finish and dimensional accuracy are priorities. It fits into KENLOC-series toolholders that accept the DNMG insert style and is suited for turning, facing, boring, back turning, and back boring operations. The maximum depth of cut is 0.049 inches (1.25 mm), confirming its role as a finishing-pass insert rather than a roughing tool. It conforms to both ANSI standard code DNMG431 and ISO standard code DNMG150404.

Key Features

• KT315 cermet grade with PVD multilayer TiN/TiCN/TiN coating for high wear resistance on steel, stainless steel, and cast iron
• FP chip breaker geometry optimized for finishing operations
• 55-degree diamond insert shape with four cutting edges for extended insert life
• Negative rake and negative side clearance (N clearance code) for rigid, stable cutting
• Honed cutting edge style reduces edge chipping during light finishing cuts
• Compatible with clamp and pin insert holding methods

Compatibility

Designed for KENLOC-series toolholders accepting DNMG-style inserts. Conforms to ANSI insert code DNMG431 and ISO insert code DNMG150404, allowing fitment in any compliant DNMG431 toolholder seat.

Installation Notes

Installation is performed by a qualified machinist or CNC tooling technician. Power down and lock out the machine spindle before seating or replacing inserts. Secure the insert with the appropriate clamp or pin per the toolholder manufacturer's instructions, and verify that the insert pocket and seat are clean and free of chips before clamping. Do not exceed the maximum depth of cut specification for finishing-grade inserts.