Large diameter rock bolt (T73, T76, T103, T111, T127, T130)

Self drilling anchor bolt is an advanced anchor system, which is composed by hollow anchor bar, nut, plate, coupler, drill bit, centralizer. And anchor bars can be cutted & lengthened by coupling according to your demands. 

The sizes we can provide include R25, R32, R38, R51, T30, T40, T52, T73, T76, T103, T111, T127, T130. This anchor system can be integrated with the functions of drilling, grouting and anchoring. It also can ensure the anchoring for complex ground conditions.

Features

1. It is safe, reliable, and time saving. 

2. Installation & operation are simple.

3. Choice of drill bits for different ground conditions.

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

5. It provides higher bonding stress than smooth steel pipe depending on continuous wave and T-thread.

Application

1. Tunneling

2. Mining

3. Slope Stabilization

4. Foundation Support