Eccentric overburden tool MDEC series

ODEX systems for DTH hammers that are specially designed to drill and case simultaneously through overburden. These durable overburden drilling tools easily pass through large boulders for pulling lightweight wherein inexpensive casings are incorporated behind them. These overburden drilling tools are easy to remove from the hole/ depth and are provided to our clients in the following technical specifications: Size: ODEX90, ODEX115, ODEX127, ODEX140, ODEX152, ODEX165, ODEX190 Drilling through formations with loose, unconsolidated material always comes with problems such as the bore hole caving in or collapsing. How to avoid these problems? With years of field practice and research, Maxdrill has developed its Eccentric casing system applicable for strata with siltz sand or small-sized pebbles. With its simple structure, easy operation and reliable performance, this system can advance the casing easily for depth within 30 meters, and it is retrievable with long service life. Applicable Overburden Formations Land surface covered with loose, unconsolidated material such as soil, clay, silt, sand, gravel and boulders Structure Features The structure of the reamer is improved from (a) to (b), in order to strength the wearing resistance on the back, and extend the service life of the whole reamer.