螺栓杆 [机] bolt bar ; bolt shank ; body of bolt

栓杆端 Tie rod ends

连杆螺栓 CONNECTING ROD BOLT ; BOLT CONNECTING ROD ; con rod bolt

消火栓阀杆 hydrant stem

拉杆螺栓 Stay bolts

膨胀拉杆螺栓 expansion staybolt

活塞杆栓 piston rod cotter

主轴承撑杆螺栓 main bearing stay bolt ; main bearing holding down bolt

螺栓阀杆 threaded valve stem

杆栓 [机] rockbolt