【化】 螺纹孔; 螺丝孔

将专用螺栓插入C形无件预留孔与楔块的螺纹孔相连，用套筒扳手拧紧螺栓直到第一个螺帽自行断落。

threaded insert for threaded inserts

threaded

threaded insert

screw-threaded STUD(S)

cross threaded adapter

threaded elbow

threaded ring

threaded bush