BAODING JINDI MACHINERY CO., LTD
The advantage of this type of coupler is the thread is bigger than the rebar diameter. So the coupler connection is stable, and the tensile strength can reach standard requirement.
Bridge, tunnel, high speed railway, high tower and other stric construction, this type of upsetting coupler will be need.
The thread is precision, and it does't break the steel material inner structure.
We can manufacture the coupler surface with black or silver color.
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