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   Daqianrock Anchor Bar is a fully threaded self-drilling system installed into loose or collapsing soils without the need for casing. The bar features a hollow bore which enables it to be simultaneously drilled and grouted. The hollow bar incorporates a left-hand thread for standard rotary percussive drilling.

   Manufactured from high grade steel tubing to EN 10083-1, Daqianrock Anchor Bar is hot rolled to form standard “R”thread or “T”thread profiles. The Daqianrock Drill rolling process refines the grain structure of the steel, increasing the yield strength and producing a robust drill steel suitable for a range of drilling and grouting applications.

   Daqianrock Anchor bars are classified according to thread type and material:
R-type has a rope thread, and is available in sizes from R25 to R51.
T-type is according to international standard, and is avail- able in sizes from T30 to T103.