[SEL] drill sizes for 7BA clear and 7BA tap

[Listerdiesel]

On 23/09/06, David Heggie <davidheggie at sympatico.ca> wrote:
> Hi All.
>
> Can you please advise me where to look, or  if you have the information on
> the drill size in inches or metric to drill a 7BA clear and a 7BA tap. I
> also need the same for BA 2 thru 8.
>
> I am working on a Stuart 10V . Any other information would be most
> appreciated.
>
> I am retired and learning to operate a mill and lathe and wish to make
> different models. I have some hit and miss engines and a range of maytag and
> iron horse kick start engines.
>
> thank you
> david heggie
>

There are a load of oddball tapping/drilling/thread size tables on our
webpages under the Mechanical Tables section.

The BA table is at:

http://www.oldengine.org/members/diesel/Tables/ba1.htm

Peter
-- 
Peter A Forbes
Email: listerdiesel at gmail.com
Web: www.oldengine.org/members/diesel