Radio WC6W wrote:
> You may check the thread pitch by using a 4-40 screw as a thread
> Then measure the diameter with a micrometer then look up the specs for
> a 12-40 in a Machinery's Handbook to confirm.
> Or you can.... trust me. :-)
> 73 & Good morning,
> Marv WC6W
Keep in mind when measuring, that most threads "major" diameter is a few
thousands undersize. This is done to avoid having a sharp pointed thread that
becomes "ragged" ( not smooth ) when finished.
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