... M2 2.Fast cutting steel with high heat resistance, fine robustness, high compression strength High-speed mold/tool steel slab M2, ... .753. Specification:Fast cutting steel with high heat resistance, fine robustness, high compression strength, and fine wear resistance. ... processing (CVD,PVD), die-board, general machinery parts.5. High-speed tool with high quality,competive price, prompt delivery and good ...