The common thread gauges including ring gauges and plug gauges are used to calibrate thread work pieces with GB and ISO standards.
普通螺纹量规(螺纹环规、螺纹塞规)适用于检测符合国家标准及国际标准的螺纹制件。
Analysis of slope error in measurement of pitch diameter of metric trapezoidal thread plus gauge
公制梯形螺纹塞规中径测量斜率误差分析
Evaluation of Uncertainty in Pitch Diameter Measurements of Thread Plug Gauge Using Tri-needle Method
三针法测量螺纹塞规中径的不确定度评定
large-size precision thread ring and plug gauge
大型精密螺纹环塞规
long-reach plug
长螺纹（长型）火花塞
Marine bronze external screwed packed cocks
GB/T598-1980船用外螺纹青铜填料旋塞
Marine bronze external screwed draw-off cocks
GB/T599-1996船用外螺纹青铜泄放旋塞
coupling straigth-way cock
两端带阴螺纹管接的直通旋塞
a threaded screw for machine parts; screws into a tapped hole.
一种适用于机器部件的螺纹螺丝；可以放进塞孔的螺丝。
a threaded fastener used either with a nut or with a tapped hole; slotted head can be driven by a screwdriver.
一种或有螺帽或有塞孔的螺纹扣件；其开槽头可以由螺丝起子钉入。
boxpin connection
阴螺纹-阳螺纹连接
male and female cross
阳螺纹-阴螺纹十字接头
external and internal thread grinding machine
外螺纹及内螺纹磨床
pin-to-box pipe
阳螺纹-阳螺纹管子
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