1/4 x 28 square nuts

[David Massey <105671.471@compuserve.com>]

Message text written by a Wallace
>A while back I went looking for these nuts for my TR3a, to no avail. (They

are the ones that rattle around inside cages, and are used to hold many 
parts of the body together.)
<

Good question.  I checked Mc Master Carr and only found 1/4-20!  If they
don't have them they must be custom.

Dave