Core Drill Diamond Dry Coring Bit 3" with Pilot Bit

Dry Core Drill With Pilot Drill       Yoketool dry core drill with guide drill is an efficient and accurate drilling tool designed for hard materials such as concrete, masonry, stone, etc. Its uniqueness lies in the dry operation, no need for water cooling, easier operation, and reduced on-site pollution.   Core features:   Guide drill design: built-in high-precision guide drill to ensure accurate drilling position and avoid deviation, especially suitable for projects that require precise positioning. Dry cutting: no water source cooling is required, reducing construction complexity, suitable for use in waterless or indoor environments. Efficient and wear-resistant: using carbide cutter head, fast and durable cutting, extending tool life. Wide application: suitable for construction, decoration, water and electricity installation and other scenes, easily completing the core needs of different diameters.     Functions of the pilot drill for dry core drill bits:     Precise positioni…