Ï?40-120mm, Length 2-6m ( HRC45-55) The grinding rod has high hardness(45-55HRC),low wear friction,strong toughness,The wear-resistant effect is 1.5 to 2 times the raw steel rod,after refining,the internal stress was relieved.So the rods are perfectly straight and not break,,Two head not nozzle, and with good wear resistance.
