SDS max-9 Break Through drill bit. Ideal for drilling large and deep holes in concrete. Compatible with all SDS max rotary hammers. Vacuum-brazed and hardened carbide 3-cutter tip. The long, tapered shank allows for breakthrough drilling of large material pieces. The two-spiral U-shape ensures good transport of drill cuttings. Diameter: 5.5 cm, working length: 45 cm, total length: 60 cm. The SDS max-9 BreakThrough drill bit is perfect for drilling large and deep holes in concrete. Its vacuum-brazed and hardened carbide 3-cutter tip ensures quick results and effective removal of large material pieces. The long, tapered shank of the drill allows for breakthrough drilling, while the two-spiral U-shape guarantees efficient transport of drill cuttings. The drill is designed for breakthroughs with diameters between 45 and 80 mm in concrete, masonry, and aerated concrete, for example, for securing cables and pipes outdoors. Note: Ensure that you use a rotary hammer with sufficient capacity for breakthrough drill bits to avoid overload. Pay attention to the operating instructions of the rotary hammer. It is intended for use with rotary hammers.