Core drill rig use

Core drilling is a method of drilling that involves using a special drill bit and drill to remove a cylindrical core of material. This technique is often used in construction and other industries to create holes. [pdf]

Rig core drill pipe

With interchangeable core bits capable of drilling holes from 1.5" to 9" in diameter, operators can tackle diverse pipe materials including vitrified clay, concrete, ductile iron, cast iron, C-900, HOBAS, and PVC/HDPE systems using a single versatile machine. [pdf]

Drilling rig core barrel drill bit

The Roller Bit Core Barrel is used to remove rock samples from drilling operations. The single tube Roller Bit Core Barrel is the cheapest and strongest type with a head, coring tube, a reamer housing and cutting bit. [pdf]