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Product synopsis:
Self-drilling anchor is hollow without casing, drill pipe can be broken rock, loose soil, such as weak surrounding rock in the drilling and grouting of the threaded rod body. Can be drilling, grouting and anchoring function integration, has the characteristics of convenient construction, reliable and efficient. International standard thread processed formation on the surface of rod body, with drilling, grouting, anchor car machine standard drilling tools such as reliable connection.
Product application:
My company developed by self-drilling anchor hollow as a kind of effective anchorage method, applicable to the complicated geological conditions, loose, broken, easily collapse hole after drilling geological supporting engineering, widely used in surrounding rock forepole, radial support, slope, foundation pit supporting, roadway support, soil nailing wall and pull back type anchor rod retaining wall surrounding rock supporting engineering.