Relevance of the work is caused by the lack of sciencebased physical mechanism of dynamic introduction at rock cutting with chippingrocks cutters at operation of rock cutting action tool. Objectives: to develop a new method of complex sciencebased evaluation of dynamic fracture process effectiveness at operation of new cutting action tools; to analyze new concepts and theoretical study of the problems of rock destruction with cutting action tools. Methods: To study the works devoted to rock destruction with new cutting action tools the authors have used the system oriented approach. Analytical and experimental studies of transient and steady modes both of a single tool, and drilling tools in general, based on scientific and mathematical modeling of physical processes and the provisions of theoretical mechanics, strength of materials, the kinetic theory of strength. Comparative experimental study of the processes and mechanisms of static and dynamic implementation when cutting rock with a single destructive element based on application of the developed experimental station having original technical and technological solutions and necessary evaluate accuracy of measurement results of digital force measuring system KistlerTM. Results: The authors studied practical and scientific feasibility of developing the indicator of rock "dynamic hardness" for objective evaluation of their behavior at operation of cutting tools. It is proved that the development and use of a new indicator rock "dynamic hard ness" and methods of its experimental determination are the relevant methodological steps in development of assessment technology for rock strength properties at operation of cutting action tools for practical needs of the exploration drilling industry