M42 Tool Steel

M42 is highly cobalt alloyed. It's composition makes for a good combination of toughness and hardness. M42 is a steel to be used in conditions where the demand for hot hardness is greatly important. Due to it's well balanced properties M42 has come into wide use for all cutting tools (data sheet & typical analysis available on request). M42 high speed steel supplied from stock, local and national delivery.