300mm Length PDC Drill Bits for Micro Pile Grouting Drilling Machine
MUTIFUCTION-----Device for drilling , anchoring , process for placing grout anchors.
The drilling device comprises a drilling pipe with one or several cables and drill bit which is mounted at the end of the pipe.
It is uded for anchoring reinforcements that the cables and/or other anchoring reinforcements are attached to the drilling tool which remains in a grout body .Meanwhile the cement grouting nozzle help forming concere pillars for protection and reinforcement by cement injection in the ground surrounding a drilling hole.
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