male and female cross
阳螺纹-阴螺纹十字接头
boxpin connection
阴螺纹-阳螺纹连接
pepe bend with male and female thread
一头带阳螺纹一头带阴螺纹的弯头
box up and pin down
上部阴螺纹-下部阳螺纹接头
pin-to-box pipe
阳螺纹-阳螺纹管子
Nuts have internal (or female) threads to match those of the Bolt.
螺母上有内(或阴)螺纹,与螺栓上的螺纹相啮合。
pipe bend with female thread
两头带阴螺纹的弯头
pin-to-pin reducer
两头阳螺纹的大小头
double pin sucker rod
两头阳螺纹的抽油杆
external and internal thread grinding machine
外螺纹及内螺纹磨床
Screwed 1;Screwed 2;Screwed 3;Screwed 4
螺纹接头 1;螺纹接头 2;螺纹接头 3;螺纹接头 4
Screwed Joint 1;Screwed Joint 2;Screwed Joint 3
螺纹接头 1;螺纹接头 2;螺纹接头 3
Tubing thread is available for API tubing threads and TM threads.
油管螺纹可采用API油管螺纹，或TM螺纹。
double-screw bolt
螺柱，双头螺纹螺栓
coupling straigth-way cock
两端带阴螺纹管接的直通旋塞
Tapping screws thread
GB/T5280-1985自攻螺钉用螺纹
threaded type track bolt nut chuck
螺纹式轨道螺母夹头
coarse threading attachment
大螺距螺纹切削装置