Concentrical Drilling SystemMicro Casing Bit
Straighter - Deeper Holes with Higher Productivity
Smallest concentrical drilling system in the world. applie for long holes such as face bolting, geological survey and drainage holes. Maximum record: 50m horizontal hole in Japan. Plastic casing pipes can be used in Multi slide system.
Standard 2” & 2.5” MCB System(For Face Bolting)
- • Smallest concentrical drilling system
- • Applicable for longer holes such as face bolting, geological survey and drainage holes
- • 50m horizontal hole drilling has been recorded in Japan as longest drilled hole
- • Easiest handling by smallest diameter and light weight
- • Achieving high penetration rate
Standard 3” & 4” UMB System(For Fore Piling and Roof bolting)
- • Established UMB system for All Ground Fasten method
- • Ring bit has a unique connection
- • This system has best record at various rock condition in Japan
