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390The self-drilling anchoring system consists of a hollow threaded anchor rod matched with the corresponding drill bit, which can complete the drilling, anchoring and grouting work in one pass. The self-drilling anchor system is mainly used in slope stabilization, excavation advance, micro pile foundation and other projects, and is widely used in mines, tunnels, railways, subways and other projects. The R-shaped threaded anchor, or bolt, is a threaded hollow rod designed with a corrugate
The self-drilling anchoring system consists of a hollow threaded anchor rod matched with the corresponding drill bit, which can complete the drilling, anchoring and grouting work in one pass. The self-drilling anchor system is mainly used in slope stabilization, excavation advance, micro pile foundation and other projects, and is widely used in mines, tunnels, railways, subways and other projects.
The R-shaped threaded anchor, or bolt, is a threaded hollow rod designed with a corrugated thread on the surface of the rod body according to ISO 10208 and 1720. In the 60s of the 20th century, it was first invented by MAI to improve the construction speed of complex underground projects. It is still popular all over the world today.
Thread specifications：R25, R32, R38, R51, T76
Thread standard: ISO10208, ISO1720, etc
