Sandvik Coromant - R123x2G CM 2135 Grade, 0.1181" Cutting Width, Carbide Cutoff Insert - 5° Right Hand Lead Angle, 0.0079" Cnr Rad, TiCN/Al2O3/TiN Coated | Apex Tool & Supply

This tool is made of solid carbide, suitable for high-speed applications and effective on cast iron, nonferrous materials, plastics, and other tough-to-machine materials.

• The description claims that solid carbide is extremely heat resistant.