M42 steel, otai does not act as material handler . Otai is stable and reliable supplier for fortune 500 companies at home and abroad, such as thyssenkrupp, china north industries group corporation limited. Otai exports various tool steel and alloy to more than 30 countries from Europe and American, middle east and asia. our steel materials meet DIN/ ASTM/EN/JIS ect different international standards. The M42 high speed steel, Other Known Names are 1.3247, HS 2-10-1-8, S500, E M42, REX M42�, Dynamax. M42 is a molybdenum series high-speed steel alloy with an additional 8 or 10 percent cobalt, it has superior red hardness and wearing resistance as compared to conventional high-speed steels. This allows for shorter cycle times in production environments due to its higher cutting speeds and from the increase in time between tool changes. M42 steel costs less when compared to those same tools made of carbide.