内螺纹用的螺纹量规等级是没有的。
钢制管螺纹。螺纹量规。过端和不过端螺纹塞规。
Steel conduit thread; thread gauges, "go" and "not go" thread plug gauges.
螺纹量规是螺纹加工中应用最广泛、最实用的检测工具。
Screw thread gauge is the most extensive and practical detector in thread machining.
本文介绍一种测量石油螺纹量规的螺旋线、中径、锥度和牙形半角的新方法及装置。
This paper describes a new method and device for measuring helical line, pitch diameter, taper and half-angle of thread of petroleum thread gauges.
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。
The common thread gauges including ring gauges and plug gauges are used to calibrate thread work pieces with GB and ISO standards.
特殊螺纹接头油井管的开发是一项系统工程，其中量规、量具设计是开发中的一个重要环节。
The development of the oil well pipe with special thread connection is a systematical project involving development of relevant gauges and measuring tools for the thread as a key item.
当量规套在成品（灯头向上）的灯头螺纹上时，灯头中心触点不应凸出X面。
When the gauge is placed over the thread of the cap on a finished lamp, held cap uppermost, the centre contact shall not project beyond surface "X".
当量规套在成品灯(灯头向上)的灯头螺纹上时，灯头中心触点不应凸出量规的X面。
When the gauge is placed over the thread of the cap on a finished lamp, held cap uppermost, the centre contact shall not project beyond surface X.
当量规套装成品灯(灯头向上)的灯头螺纹上时，灯头中心触点不凸出X面。
When the gauge is placed over the thread of the cap on a finished lamp, held cap uppermost, the central contact shall not project beyond surface X.
当量规套装成品灯(灯头向上)的灯头螺纹上时，灯头中心触点不凸出X面。
When the gauge is placed over the thread of the cap on a finished lamp, held cap uppermost, the central contact shall not project beyond surface X.
应用推荐