Rock drills are used for mining and rock excavation. An example of such a pneumatic tool is the hammer drill, or percussion hammer, which is composed of a piston and a drill made of high-carbon steel.
What is a rock drill called?
A drifter drill, sometimes called a rock drill, is a tool used in mining and civil engineering to drill into rock. ... Machine rock drills come in two basic forms: those that operate by percussion (using a reciprocating motion), and those that are abrasive (using a rotary motion).
Is there a drill bit for rock?
The DeWalt DW5470 5-piece Rock Carbide SDS Plus Hammer Bit Set is suitable for drilling in concrete, masonry, artificial stone, and rock. Each bit comes with a rock carbide tip for longer bit life and a 4-flute design that cleans debris out for fast, efficient drilling.