HSS M42 HIGH SPEED STEEL
HSS M42 is 8% Cobalt mix molybdenum high speed tool steel which has rich high red hardness and very excellent cutting abilities as a tool steel as compare to HSS M35 due to its ability of having 8% Cobalt. HSS M42 is finest effective Highcarbon; highspeed steel grade based on Mo, with high resistance to wear, red hardness and toughness.