outside thread

基本解释

Tie two knots in the cord outside the hole. Thread the other end of the cord through the second hole. Tie two knots in the cord.
把线穿过一个小孔，在小孔外面打两个结，把线的另一头穿过第二个小孔，也在线上打两个结。
The head of compression goose head shaped nail design as the deep thread, the end tip is a big and outside hexagon, there is thread slot on the end tip is horizontal.
加压螺纹钉前端设计的较深的螺纹，尾端为膨大的外六角形，尾端横截面上有螺纹槽；
Based on quality engineering theory, the quality loss function of thread fit clearance is constructed, and the calculating formula of pitch diameters of inside and outside thread are derived.
依据质量工程学的损失函数理论，建立紧固螺纹配合间隙的质量损失函数，推导出内、外螺纹中径的工厂容差的计算公式；