Runouts, Undercuts for Trapezoidal Threads, Buttress Threads and Knuckle Threads and other Threads of Coarse Pitch
梯形螺纹、支墩螺纹、转向节螺纹和其他粗螺距螺纹的跳动量、咬边

1977-01-01

管螺纹收尾、肩距、退刀槽和倒角
Runouts, undercuts and chamfers for pipe threads

2016-02-24

Выход резьбы. Сбеги, недорезы, проточки и фаски
螺纹螺纹跳动冲洗螺纹 总螺纹跳动 底切和倒角