CNC Cutting Tools Ceramic Inserts R390-11T308M-PM Milling Cutter Inserts R390 PM Coating Processed Steel Parts

The AMG R390-11T308M-PM carbide milling insert is engineered for high-performance CNC milling of steel, stainless steel, and alloy materials. Manufactured from ultra-fine tungsten carbide and coated with advanced PVD/CVD technology, it offers exceptional wear resistance, heat stability, and surface precision. The PM chipbreaker design provides excellent chip control and smooth cutting performance under medium cutting conditions. Compatible with R390-style milling cutters, this insert ensures long tool life, reliable performance, and superior efficiency in both roughing and finishing operations. OEM and customized coating options are available.

Specifications

• Geometry: The round shape and positive rake angle make it a very free-cutting insert. This means it requires less power, generates less heat, and produces lower cutting forces than a negative geometry insert. This is excellent for:
  • Shoulder milling
  • Face milling
  • Contour milling
  • Slotting (with certain toolholders)
• Strength: The round shape is the strongest possible insert geometry, making it resistant to chipping and suitable for interrupted cuts.
• Versatility: The M-chipbreaker and PM grade make this a true "workhorse" insert for milling a wide variety of P-group materials (steel, stainless steel, cast iron).
• Surface Finish: The round insert and fine corner radius (0.8 mm) allow it to produce a good surface finish.