On 19 Sep 2005 21:39:56 GMT, (DoN. Nichols)
wrote:

I see I also recalled the thread wrong. Geez!
4-40 is the one that will go on, but with a fight.
Maybe file the end diameter down some, lacking a lathe.

5-40 is .125 major diameter, just right -- but perhaps not easy to
find threaded couplers.

6-32 will be pretty sloppy on a 1/8" rod.