What are the characteristics of the sleeve

1. Using international No. 45 steel, special manufacturing process, high dimensional accuracy and reliable quality. 2. It can connect HRB335 and HRB400 ribbed steel bars of Ф16-Ф40mm. 3. After being tested by the National Construction Engineering Quality Supervision and Inspection Center, it has reached the I-level joint standard in JGJ107-2003. 4. Three series of standard type, positive and negative thread type, and different diameter type, with fifty-two varieties, can meet the same diameter, different diameter and adjustable length and direction of the horizontal, vertical and oblique parts of the building structure. connecting reinforcement requirements.