Concentric Overburden Drill Bits

We are offering our client an excellent quality range of Concentric Overburden Drill Bits. These Concentric Overburden Drill Bits are made from very high quality raw material which ensures high durability at its user end. Different sizes and designs are easily available in the market. Our Concentric Overburden Drill Bits are available at most reasonable prices.

Applied to the drilling where rock formation is overburden and need casing tube to support.
Certificate: ISO9001:2008, SONCAP.
Application Range
It is recommended to drill in rock formation where contains some ovals and fractures.

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

Outstanding Advantages
The stable and reliable working performance and the less vibration of drill rig and flexible to open and close.