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MAXDRILL Overburden Drilling Tools

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 where in 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

Eccentric casing System

It is suitable for drilling water wells, geothermal wells, Micro piles, medium mini-type grouting hole of building, dam and harbor project.

Design Principles: Make the casing follow easy and the equipment and operation simple.

Advantages: Simple structure, easy operation, reliable quality, retrievable drilling tools, and long service life.

Concentric Casing Systems

It is recommended to drill in rock formation where contains some ovals and fractures.

Design Principles:

The stable and reliable working performance and the less vibration of drill rig.

Different Structures: 

Concentric system with ring bits, wing and blocks.