Sinorock T40 Self Drilling Anchor Bolt

 T40 anchor bolt system is a fully threaded steel bar which can be drilled and grouted into loose or collapsing soils without a casing. The bar features a hollow center for simultaneous drilling and grouting and a rope thread for connection to standard drill tooling. Manufactured by cold rolling heavy wall steel tubing, this anchor bolt system forms a standard rope thread profile, which increases the yield strength and producing a durable drill rod.
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