Product Description 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