High Performance Odex Drilling Eccentric Overburden Drilling System DTH Bit

Product details

1. The overburden drilling system is consist of DTH hammer, eccentric designed reaming andpilot bit, guide device and casing. The eccentric bit reaming rotates outward to drill a larger holeso as to enable the steel casing enter the hole simultaneously. Rock dust is blown out of thehole through the casing pipe. 2. After drilling to the specific depth, the reamer will be retracted by slightly reversing therotation direction or by pulling the tool, and it is the time that drilling tools can be pull out. 3. Pulling the casing up and meanwhile filling concrete or other things underthe hole. 4. Using ordinary drilling bit can continuously drill the hole, while DTH bit can drill to therequired depth.

About the supplier

SHANDONG QIRUI MACHINERY CO.,LTD. 26 products total Visit supplier page