Min. Order:
1
Place of origin:
China
Supply Ability:
500pcs/month
less vibration of drill rig and flexible to open and close.
Operation Procedure
1.when the drilling starts, the wings swing out,and reams to drive the casing shoes and tubes into the hole.
2.When finished the drilling in overburden rock formations, reverse the drilling tools and the wings will get closed, and the drilling tools can be raised from the hole.
3.Next construction can be followed.
[Related Keywords : Rock drill, DTH hammer, drill bits, mining machinery]