HRB400E HRB500E HRB400c HRB400cE HTRB600 HTRB600E T63 T63E PSB400 PSB830 PSB930 B500B B500C 500B B500B-R B500BWR G60W G60S G40 SD400 SD500 SD600 | Φ10~50 直螺 Debar in straight | GB/T 1499.2 GB/T 20065 GB/T 33953 Q/320582 JYG08 BS4449 SS 560 MS 146 CS2 ISO 6935-2 ASTM A706/A706M ASTM A615/A615M KS D 3504 技术协议 Technical protocol | 广泛用于房屋、桥梁、道路等土建工程 Widely used for house, bridge road and other civil construction projects. |