* Other sizes can be manufactured as per customer demand.
FEATURE
1. Single Cut Augers and Double Cut Augers are suitable for drilling in medium to strong rock (15~60MPa) 2. Sturdy and wearable rock pilot for accurate positioning 3. Hard-facing strips for wear protection and service life-extending 4. Kelly box size as per customer demand
Drilling bucket with rock drilling tooth by jthl made,Jietaihongli