[ARC5] Cost of sets - 1950 and 2010

[WA5CAB at cs.com]

Yes.  There are several different systems of diameter versus pitch.  For 
example, at least two different ones used for mounting hard drives and CD or 
DVD drives.

In a message dated 9/24/2010 6:54:30 AM Central Daylight Time, 
vk2bcu at operamail.com writes: 
> >"As far as I can tell, there are STILL no universally standardized 
> metric threads and diameters."
> 
> You aren't serious?

Robert Downs - Houston
wa5cab dot com (Web Store)
MVPA 9480