Screw Toolkit
This is a script a great tool to generate different type of screws in cinema 4d.
System : Win and Mac
Cinema4D : R12+
How Install : Unzip the File and open c4d file
Author: Oliver Vogel
Download page: http://olivervogel.net/work/article/9/screw_toolkit_for_cinema_4d.html
Direct download: http://olivervogel.net/public/download/ScrewKit.zip