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GUIZHOU SINODRILLS EQUIPMENT CO., LTD.

SNIEC E5.388

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SINODRILLS Self-Drilling Anchor Drilling Tools

Product Category: Roof for roadways supports

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Product Introduction

Self-Drilling Anchor Products are designed for ground reinforcement and support in challenging geological conditions. The system typically consists of hollow threaded anchor bars, drill bits, couplers, nuts, and bearing plates. During installation, the hollow anchor bar serves as both the drill string and the grout delivery channel. Combined with a sacrificial drill bit, it enables drilling and grouting to be carried out in a single operation. Once installed and grouted, the hollow bar remains in the ground as a load-bearing reinforcement element. Self-drilling anchor systems are widely used in tunnel pre-support, slope stabilization, excavation support, underground mining, foundation reinforcement, and micropile construction. They are particularly suitable for loose, fractured, and unstable ground conditions where conventional drilling methods may have difficulty maintaining borehole stability. The integrated installation process can reduce the need for separate drilling and temporary casing operations, helping improve construction efficiency.

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International Trade Fair for Construction Machinery, Building Material Machines, Mining Machines and Construction Vehicles

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