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 .