All Size Rock HD Backreamer
Engineered to improve longevity ina variety of drilling enviroments
, the SINOCOREDRILL rock HD backreamer is equipped with all-round
protection that includes strategically placed tungsten carbide
disks and patented special inserts . The rock HD backreamer is
designed for smooth cutting downhole and is available in multiple
sizes to maximize your effectiveness and productivity when drilling
rock.
Size : Φ200~1200mm .
Suitable for soft to hard rock .
Connection wiht drill rod : Octagonal connection / Direct
connection with drill rod .
Connection with laid pipe : Within or without swivel .
