On Jan 30, 10:15 pm, Steve wrote:
Hello,
I'm needing some 3" coil stock 8tpi and some 2 1/2' at 8tpi.

Not cheap, but the horse's mouth is:

http://www.bwantennas.com/coils/aduxacr.htm

I have been getting glass-epoxy or phenolic tubes (good place: www.mcmaster.com
) and winding mine from rod/wire lately (silver plated in some
cases... learning how to silver plate myself too!).

Tim.