On Wed, 15 Feb 2017 16:41:51 -0500
Greg Guarino wrote:

I think I'll still make use of some wood threads from time to time,
but if the application is going to require frequent loosening and
tightening, I'll use another method.

that is the other thing

not sure i have seen threads in wood very often except in whimsical
forms or artistic forms

croquet mallets come to mind but that is not a good solution
and prefer a tapered shaft and glue

for kid toys it seems fine