I'd be surprised if McMaster didn't have what you're looking for. 
Mike M

Sent from my iPhone

On Aug 27, 2014, at 2:46 PM, Rocket J Squirrel <camping.elliott@GMAIL.COM> wrote:

> Need a couple of threading dies (5/8" x 27 & 7/8" x 27) for a steel
> tubing threading job.* Does anyone know who might be a good online
> vendor of such things with good prices?
> 
> =============
> * Microphone stands, got three that I wish to modify.
> 
> --
> Jack "Rocket j Squirrel" Elliott
> 1984 Westfalia, auto trans,
> Bend, Ore.