Hi Steve,

This is the thread i did a cupl yrs ago, asking advice on repairing my strainer. If ya got time ya can read over it, ok if not

http://www.vintagedrumforum.com/showthread.php?t=34239

Also a photo of the stainer.

[Attachment: 75139]

I have not attempted to do anything with the strainer yet. But still have all pieces

You should be able to get thread stock in that size and a longer length. You can get two nuts and put them together to use to tighten them up.