pin-to-box sub

box up and pin down

上部阴螺纹-下部阳螺纹接头

male and female cross

阳螺纹-阴螺纹十字接头

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

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

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

A pipe coupling threaded on both ends.

螺纹接头一种两端都带外螺纹的管子

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

pin-to-box pipe

阳螺纹-阳螺纹管子

It is imperative that no heat is applied to connection as nipples contain a plastic liner.

如果螺纹接头包含塑料衬垫,则不要在这种螺纹接头上焊接。

Male connector for butt joints--Body

GB/T3755.2-1983卡套式锥螺纹对接直通接头体

Male elbow for butt joints--Assembly

GB/T3758.1-1983卡套式锥螺纹对接直角管接头

Male elbow for butt joints--Body

GB/T3758.2-1983卡套式锥螺纹对接直角接头体