1,# 45 carbon structural steel 2, the special manufacture process, high precision size, quality is reliable Has already got the ISO9001 international quality system authentication.National new product won the title of honor.The national standard 45 # high quality carbon structural, the special manufacture process, high precision size, quality is reliable.Can be connected Φ 14-Φ 40 mm diameter range of HRB335 level, level, RRB400 HRB400 level ribbed reinforcement.By the national construction engineering quality supervision and inspection center detection, JGJ107-in 2010 to 1 level joint standards.Standard, forward-and-backforward-thread typeandcalibre-changed type buckle, reducer type three series, a total of sleeve more than 50 varieties, and can satisfy the building structure horizontally and vertically, inclined to any parts such as the rebar connection demand.
coupling joint pipe sleeve size
