How does Reverse Circulation Drilling Work?2021-06-18

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 bits2021-05-18

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 diameter2021-05-18

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...

How to choosse the correct top hammer drilling tools2021-05-18

The wide range of applications and drilling conditions suitable to down-the-hole (DTH) drilling tools pneumatic percussion technique requires consideration of more than one type of tool to drill efficiently and profitably. A variety of factors, from hammer size to determining whether ...