Rotary hammer is a powerful tool that is used in the task of chiselling or cutting through hard materials. Its strong hammering action, combined with repeated rotation that generates extra energy, ensures that even the most solid materials like concrete or stones break apart. The strong impact in the drill bit comes from the compressed air, which in turn is generated through the piston mechanism installed in this hammer. The role of the rotation function is to ensure that it cuts deeper into hard materials, while the role of the hammering force is to break the material apart.