[TCML] Stand offs

[Rich Schmuke]

Mike , the catalog says alum insert , I have two of them the next size
larger with a steel threaded insert, I use it as a base insulator for an
antenna. It does not go all the way through and the are used as buss bar
stand offs.

Rich

-----Original Message-----
From: tesla-bounces at pupman.com [mailto:tesla-bounces at pupman.com] On Behalf
Of Mike H
Sent: Monday, March 31, 2008 10:34 PM
To: Tesla Coil Mailing List
Subject: Re: [TCML] Stand offs

On Mon, Mar 31, 2008 at 12:02 PM,  <davep at quik.com> wrote:
> >
>  > A lot of the ceramic stand-offs I see do not have threads - which means
>  > my only real option it to run a metal bolt through the middle
>   depending on design details, nylon (and other) screws are available.
>   also various nylon or other washers to insulate metal bolts.

I've seen similar things and was gonna ask.  It appears that a steel
insert is in the ceramic with threads.  Is that not steel, but some
other material?

Like this one:
http://www.surplussales.com/Images/Antennas/Ceramic/icr-4201532.jpg

Found Here
http://www.surplussales.com/Antennas/Ceramic_stof.html
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