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]

How to use the rock drill

You will need a hammer drill to work with a rock. These impressive tools can come in one hand and two hand formats and are designed to use a “hammering action” to drill through the most difficult of materi. [pdf]