螺纹量规 meaning in English

external thread gage
female thread gage
female thread gauge
screw gage
thread gauge

Specification of gauges for general purpose screw threads
普通螺纹量规技术条件
Verification regulation of cylindrical screaw thread gauges
圆柱螺纹量规检定规程
Gages and gaging for mj series metric screw threads
Mj系列米制螺纹量规和测量
Parallel screw thread gauges - measuring method of gauges
平行螺纹量规.量规的测量方法
Petroleum equipment - thread gages for rotary shouldered connections
石油钻杆接头螺纹量规

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