Self-drilling anchor system is an advanced anchor system,which can be installed in sites with weak rocks,loose soil,weathered layer,sand with stone layer and so difficult to create a hole in complex formation. It is composed by hollow anchor bar, coupling, nut, plate and drill bit. And anchor bars can be cutted & lengthened by coupling according to your demands.

Features:

•It is high-effcient,time-saving and reliable.

•Installation & operation are easy.

•Choice of drill bits for different ground conditions.

•Grouting works synchronize with drilling or after drilling. Grout can fill fractures effectively.

•R-Thread and T-Thread hollow anchor bar can be provided.

Specialty bits available upon request.