65mm Concrete Core Drill Bit, with 110mm Shank and 110mm Pilot Drill Bit, Core Drill Bit, Core Drilling Hole Saws, Concrete Core Drill Bit, For Cement, Brick, Stone, Wall

[High Quality] This wall drill bit uses a high-quality alloy drill bit, heat-treated and hardened for high hardness, rust resistance, and durability. [Smooth Cut] The external groove ensures smooth, clean cuts for more precise drilling and excellent performance. [Chip Removal] Equipped with two spray holes, it easily removes dust and prevents clogging. The chip removal holes quickly eliminate chips, reducing cutting resistance and increasing work efficiency. [Package Contents] You will receive one 65mm diameter hollow impact drill bit, one 110mm long SDS drill bit, and one 110mm long carbide Phillips head drill bit. [Versatile] It can be used for installing air conditioners, water pipes, water heaters, chimneys, sewer lines, etc. It can also be used to drill through self-leveling concrete, hollow bricks, cement walls, concrete walls and red bricks.