The splicing couplers model is divided into 9 categories according to the Rebar Coupler. Standard Model: used in the occasion for connecting the steel bar in normal situation. Different Diameter Model: used for connecting the steel bar in different diameters. Flared Model: used for the steel bar which was hard to match. Positive And Negative Screw Thread Model: Used in the occasion when the steel bar in the two sides both can not be turned but the lengths can be adjusted. Locking Nut Model: Used when the steel bar can not be turned, then it turns the splicing coupler to join the steel bar and then lock the splicing coupler with the locking nut
