Sinorock self drilling anchor bar is a kind of hollow，thread bolt which can be extended by the connecting set. The front drill bit is disposable.based on the above structure, it has the following advantages in the field of anchor.

1.High efficiency of construction.Sinorock self drilling anchor bar sets drilling,grouting, anchoring functions in one.All the processes focus on one construction.

2.It is suitable for a variety of environment.Sinorock self drilling anchor bar effectively avoid the hole collapse and save the time in the soft and broken soil.

3.The highly anchoring force.Sinorock self drilling anchor bar is thread and connected with the connecting set which lead the high force.

4.The good anchoring effect.Through the inner hole grouting, sinorock self drilling anchor bart effectively guarantee the engineering quality.

5.Simple construction.Sinorock self drilling anchor bar makes the construction process simple and effective.