Special taps of taper threads for gas cylinders
GB/T10878-1989气瓶锥螺纹丝锥
special taper thread tap for gas cylinder
气瓶专用锥形螺纹丝锥
Double Spiral Fluting Tap, a New Type Threading Tool
一种新型的螺纹工具——双螺旋槽丝锥
NPT tapered tube thread gauges
NPT锥管螺纹量规
Taper pipe threads with 60 degree
GB/T12716-199160°圆锥管螺纹
Taper pins with internal thread
GB/T118-1986内螺纹圆锥销
Metric tape screw thread
GB/T1415-1992米制锥螺纹
The thread of any shell tapping shall be selected from and be in accordance with Table5.
任何筒形丝锥的螺纹应该从表5中选择，且符合表5的要求。
A Ladder-shaped Inner-thread Processed by a Multi-section Series Tap──A Brief Introduction of New Technology to Process Ladder-shaped Inner-thread;
用多段串联式丝锥加工梯形内螺纹──介绍一种加工梯形内螺纹的新工艺
Flared type tube fittings--Male elbow--Assembly
GB/T5629.1-1985扩口式锥螺纹直角管接头
Flared type tube fittings--Male elbow--Body
GB/T5629.2-1985扩口式锥螺纹直角管接头体
Male connector--Assembly
GB/T3734.1-1983卡套式锥螺纹直通管接头
Male connector--Body
GB/T3734.2-1983卡套式锥螺纹直通接头体
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
Male elbow--Body
GB/T3739.2-1983卡套式锥螺纹直角接头体
Male elbow--Assembly
GB/T3739.1-1983卡套式锥螺纹直角管接头