Brief Introduction Of Self Drilling Anchor Parts
2021-06-06
SDA self drilling anchor system is an advanced system which can ensure the anchoring effect for complex ground conditions. It can be integrated with the functions of drilling grounting and anchoring.
The Feature Of The Self Drilling Anchor Bar
2023-06-06
The main feature of the Self-Drilling Anchor (SDA) system is the application of a single-use drill bit in combination with the rock bolt being used as a drill steel. Thus, the rock bolt is connected to the hydraulic rock drill by an adapter device and installed in the way a conventional borehole is drilled. SDA program consists of the following:
Single-use drill bits, which are available either hardened or with carbide inserts
Hollow, steel bars, with a continuous outside thread
Steel couplings, with a continuous inside thread
Steel nuts
Steel face plates
Mine tunnel roof support anchor bolt
2019-12-01
Self drilling anchor system can be installed in sites with weak rock, loose soil, weathered layer, sand with stone layer and so difficult to creat a hole in complex formation.