A core drill is a specialized tool used to extract cylindrical samples, or "cores," from various materials like concrete, asphalt, or rock. This process is essential in construction and geological studies, allowing professionals to analyze the composition and structure of the material without causing significant damage to the surrounding area. Core drills typically consist of a hollow drill bit attached to a power source, such as an electric or hydraulic motor. The drill bit is designed with sharp, diamond-tipped edges to efficiently cut through tough surfaces. Core drilling is commonly employed in projects involving geotechnical engineering, mining, and environmental assessments.