1.587螺距

螺距1.5875

螺距1.5875...螺距1.5875

螺距1.814

螺距1.814...螺距1.814

螺距1.337

螺距1.337...螺距1.337

1.0825螺距

1.0825螺距...1.0825螺距

螺距1.058

螺距1.058...螺距1.058

螺距1.414

螺距1.414...螺距1.414

螺距1.27

螺距1.27...螺距1.27

螺距1.6

螺距1.6...螺距1.6

螺距1.25

螺距1.25...螺距1.25

螺距1.33

螺距1.33...螺距1.33