Hollow bar soil nail 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. The unconsolidated ground condition favor the technique of Hollow bar soil nail for fast and simple method of installed compared to the traditional method. For simultaneously drilling and injecting, it is usually performed in cases where the ground needs to be further improved or stabilized during installation.

The installation of Hollow bar soil nail is simple and fast, the cost is less, and more important is
that the Rock anchor soil nail is safe for people.Therefore.more and more engineering adopts Hollow bar soil nail for supporting.

Sinorock offer self-drilling anchors and soil nails and micropiles which are same as DYWIDAG Drill Hollow bars. The thread profile is Standard ISO rope thread (R25 – R51). The main markets include India, Turkey, Australia and America.,etc

Additionally, we can provide assemblies with sleeves or coupling nuts.

Sinorock also manufactures Trapezoidal Threaded (T30 – T130) Hollow Bars to be an alternative to Ischebeck Titan anchor bolts. They are mainly exported to Russia, Europe and America,etc.

We can work to all specifications and can provide hot dip galvanized drill rods.

Sinorock can manufacture items specific to customer’s requirements. We continually update and improve our products to meet the changing demands of customers and the industry.