Learn core drilling do's and do not's in our What is Concrete core drilling section
Concrete core drilling is construction type work, Commericial or residential or both.
You might wonder, exactly how does it differs from other types of construction tasks commonly used in todays modern construction methods.
Concrete core drilling with a diamond bit is the process of which one uses a large high speed drill to drill Clean, Non-destructive holes in concrete. The drill bit used to drill is hollow, which is where the core part comes in because instead of a regular hole like you get with a solid steel drill bit the center is left to be knocked out later after the desired core drilling depth is reached.
12 inch core drill shown.
Core Drilling can be either wet or dry.
Normally we in Charlotte, NC wet core drill most materials, and use a SDS roatary hammer drill when dry drilling.
Wet core drilling involves using water as a cooling agent as the core drill bit cuts a hole the material. Most core drill bits are embedded with bits of diamonds (in the teeth of the bit only) for cutting steel and other hard substances that may be in the concrete, brick or block you are drilling.