JR,

You have an "old" gear with the correct hole/hub?

If so.. turn the old gear to a size that you can bolt or braze or weld (or
fastening method of choice) to your blank before ya cut it.

--.- Dave




"JR North" wrote in message
.. .
Have a project, need a gear for a stepper with .187" Dia D shaft. I can
make the gear; are there broaches for forming the pilot bore? Seems there
would be a bazillion different ones, depending on the width of the flat.
Else, how to?
JR
Dweller in the cellar
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Home Page: http://www.seanet.com/~jasonrnorth
If you're not the lead dog, the view never changes
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Dependence is Vulnerability:
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