55 inch thread tagential die for taper pipe
55°英制圆锥管螺纹切线平板牙
55 inch thread flat tangential die
55°英制螺纹切线平板牙
Taper pipe threads with 60 degree
GB/T12716-199160°圆锥管螺纹
Major product varieties include standard circular screwing dies and manual screwing taps as well as thread tool serial products in combined packages.
主要生产品种有公制、制、标、标等标准圆板牙、用丝锥，及组合套装螺纹工具系列产品。
NPT tapered tube thread gauges
NPT锥管螺纹量规
Taper pins with internal thread
GB/T118-1986内螺纹圆锥销
An apparatus for holding the dies that cut threads on screws, bolts, pipes, or rods.
板牙铰手一种用来夹持切削螺钉、螺柱、钢管或拉杆上螺纹的螺丝模的装置
Development on the Control Sysytom of Automatic Petroleum Pipe-Htread Measuring Instrument;
石油锥管螺纹测量仪控制系统的开发
A conic section whose plane is not parallel to the axis, base, or generatrix of the intersected cone.
圆锥的一部分，其切面既不平行于轴和基面，也不平行于圆锥母线
Discussing based on cutting method of conical cylinder with plane arc axes;
平面大圆弧轴线圆锥柱体切削机理研讨
The factory is also able to customize circular screwing dies and manual screwing taps of various non-standard specifications.
可为用户定制各类非标规格的圆板牙、用丝锥。
Metric tape screw thread
GB/T1415-1992米制锥螺纹
basic crest truncation
基准螺纹牙顶切除高度
The Control and Calibration of the Scanning Probe in Petroleum Pipe-Thread Measuring;
石油锥管螺纹测量机中扫描测头的控制和标定
self opening die head
自动开合螺丝板牙切头
minimum number of pipe threads for connections
管螺纹连接的最少螺纹牙数
A three-dimensional curve that lies on a cylinder or cone, so that its angle to a plane perpendicular to the axis is constant.
螺旋线附着于圆柱体或圆锥体之上的三维曲线，其垂直于中轴线的平面角是一个恒量
Prolong Failure Cycle of API Round Thread Tubing by System Control
系统控制延长API圆螺纹油管的失效周期
