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

hi-

0.875" works fine.

hope this helps!
david

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Jack McKie wrote:

>
> Art,
>
> Thanks! I think .876 would work fine and 75% sounds good!
>
> Jack
>
> --- On Mon, 3/2/09, Art Eckstein <art.eckstein@...
> <mailto:art.eckstein%40wirelesshometown.com>> wrote:
>
> From: Art Eckstein <art.eckstein@...
> <mailto:art.eckstein%40wirelesshometown.com>>
> Subject: Re: [CAD_CAM_EDM_DRO] 15/16-16 bore size
> To: CAD_CAM_EDM_DRO@yahoogroups.com
> <mailto:CAD_CAM_EDM_DRO%40yahoogroups.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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