空心螺栓 meaning in English

banjo bolt

Flared type tube fittings - inverted flare bolts
扩口式管接头空心螺栓
Turn the hollow bolt so that it is fixed on the bake cover or the flange plate
安装后必须旋出空心螺栓锁紧在电机后端盖或法兰盘上。
The product licensed the advanced foreign technology and is specially used for large vapor - turbine machine and hollow bolt of large machinery , it performs the heating function for mounting and repuirement . and it has the quice speed and easy handling characteristics
本产品引进国外先进技术，专用于大型汽轮机、大型机械空心螺栓，为装和检修时拆装加温，达到扣紧和拆卸要求，使用时速度快、操作方便。