12 inch DTH Drill Hammer

12 inch DTH Drill Hammer

 

Model:SD12, DHD1120,NUMA120,NUMA125

 

ROS120-SD DHD hammers are improved in many projects and widely used for varies applications, including overburden casing drilling and water well drilling.

 

Features:

1.    Valveless air distribution ensures smooth working.

2.    Piston design and harden wear part ensure strong wear-resistance

3.    Minimize the energy loss, high penetration, lower air and oil consumption

4.    Fewer internal parts minimize the maintain and replace the part requirements.