Sandvik Coromant CNMG120408MR is a double-edged carbide insert from the CNMG family, designed for efficient material removal on steel and cast iron workpieces when used in standard CNMG holders. It is also referenced as CNMG432-MR and is specified with Sandvik Grade 4025 substrate, reflecting MR geometry for reliable wear resistance and edge life. The 12 mm inscribed-circle size and MR designation make this insert suitable for general turning and milling applications, enabling finishing and light roughing passes with consistent performance.
