"Maxprop" wrote in message
news SNIP......
See my comment immediately above. Not a great fan of MDF as a threaded
material either.
SNIP.........
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Max,
MDF in its native condition is not a good candidate for threading, but if
you flood the threaded area with water thin CA glue and let it soak in, it
does a pretty good job of hardening the MDF. It won't hold like the steel
nut would, but it's not holding anyway.{:-))

Ken