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Chuck backplate with 1" 8tpi thread?

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petertheterrible:
And if you made one, keep the threads clean, not like mine.  Even if you have perfect threads and alignment it doesn't help if they are dirty.

BaronJ:

--- Quote from: petertheterrible on March 13, 2015, 11:59:50 AM ---And if you made one, keep the threads clean, not like mine.  Even if you have perfect threads and alignment it doesn't help if they are dirty.

--- End quote ---

I couldn't agree more.  :D  I've heard some gruesome stories about lathe chucks that screw on nicely but won't unscrew because of detritus hiding in the threads.  I made a tool out of a length of 3/16 stainless wire that has two loops in it with short legs at 90 degrees.  I filed the ends so that they fitted into the threads of the backplate.  The springiness keeps the ends located in the threads whilst turning the tool.  Its surprising how much muck lodges in those threads.  A toothbrush helps as well.  I open the jaws and use the tool by unscrewing it towards the jaws.  Be very careful you don't scratch the register though.



   

Meldonmech:
 Baron
      Like the idea of your springy thread cleaner.

                                                                            Good tip

                                                                                         Cheers David

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