Concrete coring in Los Angeles is the process of drilling precise holes through concrete walls, floors as well as many other concrete structures. Concrete coring is the most commonly recognized use of any diamond-tipped concrete cutting tool. Concrete core drills also known as core rigs can be operated with limitless orientation, vertical, horizontal and even upside down through ceilings. Our drill bits consist of a steel tube with diamond segments brazed or laser welded on the drilling end