The 7 Piece CYL-9 Multi Construction Drill Bit Set delivers stable drilling in all kinds of materials. Its centring tip provides a steady drilling start and good guidance universally. The diameter-optimised AWB brazing and hardening technology increases the robustness of the 2-cutter drill bit and reduces vibration during use. Additionally, the bit's 4-flute dura design with a reinforced core section enhances its durability.