9S high strength bolts GB1228，GB1229，GB1230, cheese head studs GB10433, chemical anchor bolts, holding down bolts, tie bars, expansion bolts.
9S high strength bolts GB1228，GB1229，GB1230, cheese head studs GB10433, chemical anchor bolts, holding down bolts, tie bars, expansion bolts.
9S扭剪型高强螺栓，GB1228大六角螺栓，GB1229螺母，GB1230平垫，圆柱头焊钉GB10433;英制,美标,德标螺栓,螺母,平垫;化学锚栓，地脚螺栓，丝杆，膨胀螺丝。