Blast hole Drilling is a technique used in mining whereby a hole is drilled into the surface of the rock, packed with explosive material, and detonated. The aim of this technique is to induce cracks i

The IADC roller cone drilling bit classification charts are often used to select the best bit for a particular application. The position of each bit in the chart is defined by three numbers and one ch

Tricone bits will work for any type of rock formation whether it is hard, medium, or soft.