Roller bit core barrel for pile drilling

Product Introduction
Roller bit core barrel for pile foundation drilling is a  drilling tool specifically designed for hard rock formations or complex geological conditions. It combines the crushing ability of the roller bit with the slag removal function of the core barrel, and is suitable for pile foundation construction in difficult to drill formations such as hard rock layers and gravel layers.
Design feature:
Cutting ring with rock bits, releases the internal stress of rock.

Drilling with the method of rolling and squeezing can increase the anti-wear ability of the core barrel;

Small core barrel facilitates the coring operation, large barrel performs stage breaking.

Applicable layers:medium or slightly weathered rock, hard or superhard bedrock;

Some of our models