1.This system contains one set of ZJB-09 taper thread machine and couplers, it can be used to connect rebar of HRB335/400,16mm-40mm. This connection is Grade 2. It carried out the standard of General technical specifications for mechanical splicing of bars JGJ107-2003.
1) Can be prepared on or off site;
2) No special skill is required;
3) Ease and speed of installation;
4) It can link the bars which are not able to revolve with a right and left thread coupler in the meanwhile.