[![enter image description here][1]][1]


This is our jar. Im trying to replicate those threads exactly. I did a screw modifier as a separate object. 


Here is my model in blender [![enter image description here][2]][2]


  [1]: https://i.sstatic.net/CbLxu.jpg
  [2]: https://i.sstatic.net/8EYEg.png

heres the file
[<img src="https://blend-exchange.giantcowfilms.com/embedImage.png?bid=6646" />](https://blend-exchange.giantcowfilms.com/b/6646/)