| Tapping copper, particularly for studs isn't that big an issue.  What you do 
make sure you are thick enough for 3 threads, and use NC threads, and put in 
studs, and et the studs take any abuse
I could see copper being a problem, have to think about that, or just use 
brass/bronze etc 
On 3/20/2014 Mike Fahmie wrote:
> I had originally replied to KG2V's query offlist, but after reading
> other replies I decided to post my reply to the entire list to share
> my concerns about using Aluminum in this application.
-- 
Charlie
www.baysidephoto.com
www.thegallos.com
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