How is reverse Drilling Applied? 2021-04-11

RC drilling is consisted of Reverse Circulation (RC) bit and Reverse Circulation (RC) hammer, commonly employed in open-cut mines and used for pit grade control and in delivering useful insight for mine planning and blasting. It has an optimal depth of between 300-500 metres...

How does Reverse Circulation Drilling Work? 2021-04-01

Reverse circulation drilling, or RC drilling, is a form of percussion drilling that uses compressed air to flush material cuttings out of the drill hole in a safe and efficient manner. Thanks to the benefits enjoyed by this method, it’s become a popular technique in mining exploration and ...

How to select the best DTH drilling bits 2021-03-05

DTH bits are manufactured to match the shank and diameter of the DTH hammers. The bodies of quality bits are precision machined from alloy steel, heat treated to a specified hardness, providing surface compression for fatigue resistance, and then fitted with precision carbide buttons. &nbs...

How to match the hammer to the correct pipe diameter 2021-03-12

Pipe diameter should be close to the hammer diameter to provide optimum flushing, reducing the chances of getting stuck in the hole.   Key features to look for in high-quality DTH pipes are durability, accuracy and manageability. Pipe (tubes) made from cold-drawn tubing provide a supe...