The T-VERSION is primarily designed for fore poling in tunneling. The
robust, concentric construction makes it an ideal tool for drilling in
broken and variably hard rock formations.
- Designed for the Top-hammer drilling. Available also for the
DTH-drilling
- Pilot bit with three impact shoulders: two against ring bit, one
against casing shoe
- Hardened ring bit for drilling through all formations
- Hardened casing shoe designed for long holes
- Wire locking between ring bit and casing shoe
- Can be used optionally without wire locking
SPECIFICATIONS:
SYSTEM CASING CASING RING BIT RING BIT RING BIT THREAD
OD WALL MAX ID OD OD
