* Thinner tube wall can easily reduce resistance and increase drilling speed (compared with the same type).
* Effectively improve drilling efficiency by 20%, especially in difficult working conditions.
* Fast drilling speed and low drilling pressure.
* Different joints to adapt to various brands and models of drilling machines.
* Reinforced concrete can also be drilled easily.
* Standard effective length 450mm, can be customized according to customer requirements.
* Cutter head: pointed top, flat top, corrugated.

Specifications: