M2 high speed steel is known for its balanced combination of abrasion resistance, toughness and good red hardness. M2 is a tungsten-molybdenum high speed tool steel, m2 is used in a variety of applications and worldwide. M2 is the most popular high speed steel because of its superior qualities.As a result of its low carbon content, M2 high speed tool steel has an outstanding combination of toughness properties and abrasion resistance when correctly hardened and tempered.