male and female joint

male and female cross

阳螺纹-阴螺纹十字接头

boxpin connection

阴螺纹-阳螺纹连接

box up and pin down

上部阴螺纹-下部阳螺纹接头

pepe bend with male and female thread

一头带阳螺纹一头带阴螺纹的弯头

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

pipe bend with female thread

两头带阴螺纹的弯头

pin-to-box pipe

阳螺纹-阳螺纹管子

pin-to-pin reducer

两头阳螺纹的大小头

Side view of raised countersunk posidriv screw with adjustable thread length.

螺纹长度可调整的半埋头十字槽螺钉的侧面图。

Side view of panhead posidriv screw with adjustable thread length.

螺纹长度可调整的平头十字槽螺钉的侧面图。

Side view of countersunk posidriv screw with adjustable thread length.

螺纹长度可调整的埋头十字槽螺钉的侧面图。

A pipe coupling threaded on both ends.

螺纹接头一种两端都带外螺纹的管子

double pin sucker rod

两头阳螺纹的抽油杆

warm up a connection

敲击螺纹接头使之松动

NPSC (American Standard Straight Pipe Thread in Coupling)

美国标准接头直管螺纹

drill chuck with thread adapter

螺纹联接扳手钻夹头

reducing extension piece

异径内外螺纹管接头