65mm Hole Saw for Concrete - With 110mm Shank and Centering Drill Bit, Ideal for Cement, Brick, Stone and Walls

【High Quality】This wall drill is made from high-quality alloy drill bits, heat-treated and hardened, offering high hardness, rust resistance, and increased durability. 【Smooth Cutting】The external groove ensures a smooth and clean cut, more precise drilling, and excellent performance. 【Anti-Chip Design】Equipped with two spray holes for easy dust removal and to prevent clogging of the drill bit. The chip evacuation holes provide fast removal speed, low cutting resistance, and high efficiency. 【Contents】You will receive a 65mm diameter and 110mm long hollow impact drill bit with an adapter, as well as a 110mm long carbide Phillips head center drill bit. 【Wide Application】1P-2P air conditioning ducts and bathroom ducts