Re: copper washers

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: Yurtle Turtle <yurtle_t-at-yahoo-dot-com> 

Or just go to www.mcmaster-dot-com. A simple Google search
will also turn out quite a few hits.

Adam


--- Tesla list <tesla-at-pupman-dot-com> wrote:
 > Original poster: "Jim Lux" <jimlux-at-earthlink-dot-net>
 >
 >
 > ----- Original Message -----
 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > To: <tesla-at-pupman-dot-com>
 > Sent: Saturday, November 22, 2003 6:38 PM
 > Subject: Re: copper washers
 >
 >
 >  > Original poster: Mddeming-at-aol-dot-com
 >  >
 >  > When I needed some not too big copper washers, I
 > took a drill press to a
 >  > roll of copper pennies wrapped with electrical
 > tape, wedged into a pipe
 >  > nipple that was screwed into a floor flange that
 > was clamped to the drill
 >  > table. This was done pre-1980, when gov't copper
 > was still mostly copper.
 >  > I'm not sure what new pennies are made of.
 >
 > zinc, with copper plating.
 > However, dimes and quarters are mostly copper.
 >
 >  > For larger washers, try sheet copper tacked to a
 > piece of plywood. Drill
 >  > the center holes with a regular drill then cut
 > the outsides with a hole
 >  > saw, cookie-cutter style. This will eventually
 > kill the hole saw, but you
 >  > can get many cuts before that.
 >
 > Brass grommets may be a good source..
 >
 > Or a chassis punch could cut nice disks out of
 > copper sheeting (hammer might
 > be faster than the draw bolt)
 >
 >  > Most commercial copper washers I've seen are VERY
 > thin.
 >  >
 >  > Hope this helps,
 >  >
 >  > Matt D.
 >  >
 >  >