Quality requirements for reinforcement joint sleeve:

① There are no cracks on the surface of the connecting sleeve, the threads are full and there are no other defects.

② If the profile specification is qualified, check the dimensional accuracy with a straight thread plug gauge.

③ There type and specification such as steel grades, diameter of connecting sleeve must be marked on the surface of it. 

④ The holes at both ends of the connecting sleeve must be sealed with plastic caps to keep the interior clean to protect it from rust-proof.

Changsha DLADTO Rebar Splice Co., Ltd is a professional rebar coupler producer, we have been in this field for a long time with customers for all over the world. If you have any inquiry, welcome to contact us.