Railway material in general . half - finished adjusting bolts 铁路通用器材.半成品的调整螺栓
Adjusting bolt adjusting screw 调节螺套
Mount restrictor bar into the restrictor bar groove of upper die , mount adjusting bolt for restrictor bar into the bolt hole in the restrictor bar , then mount lower press block , upper press block 在上模节流棒槽内装入节流棒,将节流棒调节螺栓装配进节流棒的螺丝孔中,再装配上压块。