Re: [CAD_CAM_EDM_DRO] 15/16-16 bore size

Art,
 
Thanks!  I think .876 would work fine and 75% sounds good!
 
Jack

--- On Mon, 3/2/09, Art Eckstein <art.eckstein@...> wrote:

From: Art Eckstein <art.eckstein@...>
Subject: Re: [CAD_CAM_EDM_DRO] 15/16-16 bore size
To: CAD_CAM_EDM_DRO@yahoogroups.com
Date: Monday, March 2, 2009, 4:32 PM






Using my spreadsheet, for a 50% thread the hole size is .8969"
for 75%, .8766"

and yes, that is what I used to bore the holes for my conversion.

At 04:18 PM 3/2/2009, you wrote:
>I'm designing parts for my cnc router to accept Thompson ball nuts with
>a 15/16-16 thread. It was obvious to use a 13/16 bore but upon
>checking my tap won't start in that size hole. Boring to .862 appears
>to allow the tap to start but I am wondering if there is a standard tap
>hole size for 15/16-16??? Has anyone else tapped holes for ball nuts?
>Thoughts??? ?
>
>Thanks,
>
>Jack
>
>
>
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