Sandvik Coromant 8019611 Turning Insert Dnmg 15 06 12-MF 4425

Product Description

The SANDVIK COROMANT 8019611 is a DNMG-style indexable turning insert designed for precision metal-turning operations on CNC lathes and turning centers. This insert carries the ISO designation DNMG 15 06 12-MF 4425 and features a CVD-applied multilayer coating of TiCN, Al2O3, and TiN over a solid carbide substrate. The diamond-shaped insert (shape code D) has a 0.5000-inch inscribed circle, a 0.0469-inch corner radius, and a neutral hand orientation. The MF chip breaker geometry is engineered for medium-to-finishing cuts, promoting tight chip control and consistent surface finish on steel workpieces. At 0.25 inches thick and weighing 0.39 pounds per package, it fits standard DNMG toolholders using clamp or screw retention.

This insert is intended for steel cutting applications, with a primary workpiece material designation of Steel and a secondary material code of K, indicating suitability for cast iron family materials as well. The 4425 grade with its CVD TiCN/Al2O3/TiN coating stack provides wear resistance and thermal stability suited to continuous and light interrupted turning passes at moderate-to-high cutting speeds. It is used in production turning environments by CNC machinists and toolroom technicians working on components where surface finish and dimensional consistency are critical. The ISO P classification confirms its primary suitability for steel grades.

Key Features

• CVD multilayer coating: TiCN, Al2O3, TiN for extended tool life on steel
• DNMG insert shape with 55-degree diamond geometry and N clearance angle (0 degrees relief)
• MF chip breaker for medium-finishing operations with controlled chip formation
• 0.0469-inch corner radius balances edge strength and surface finish quality
• Neutral hand designation fits both left-hand and right-hand DNMG toolholders
• Clamp and screw holding method compatible for rigid, secure seating in the pocket

Compatibility

Designed as an OEM-style replacement insert for standard DNMG 15 06 12 toolholder pockets conforming to ISO turning insert seating standards. Compatible with any toolholder accepting a DNMG insert with a 0.5000-inch inscribed circle, 0.25-inch thickness, and N tolerance/M tolerance class seating.

Installation Notes

Installation is performed by qualified CNC machinists or toolroom technicians following standard indexable insert exchange procedures. Power down and lock out the machine spindle before seating or indexing the insert. Use the correct torque driver for the clamp or screw retention system as specified by the toolholder manufacturer — do not over-torque, which can crack the carbide. Verify insert seating is flush and secure before resuming cutting operations.