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[email protected] krw@notreal.com is offline
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Default Incorrectly tapped hole

On Tue, 15 Sep 2020 13:40:08 -0700 (PDT), Sonny
wrote:

On Monday, September 14, 2020 at 8:26:56 PM UTC-5, wrote:
I recently bought a lathe. Part of the promotion was an LED light. I
just received the light. Wanting to mount it on the headstock, I
found the holes in the headstock are incorrectly tapped. The mounting
location on the tailstock are correct. I really don't want it on the
tailstock.

The incorrect holes are drilled/tapped M3.5x.35mm. They should be
M4x.70. M3.5X.35 is a "standard" M3.5 fine thread but these things
are unicorns. I haven't found them anywhere, including Amazon,
Grainger, Bolt Depot, and Fastenal.


Have you looked at McMaster-Carr website? Left menu - select what you're looking for, see what they have.
https://www.mcmaster.com/screws/screws/

Yeah, I looked there too. They really are unicorns.