>>         http://zaviation.ca/products/ezgrip/ezgrip.htm


> Sounds like a half-hearted attempt to avoid using a screw/bolt
> extractor,

To me it sounds like a full hearted attempt.
If you HAVE to use an extractor, so be it.
But they are nasty brutish things that always carry some risk of 
secondary effects (albeit less so for the mechanically capable).
A "tool" does not have to be cast from specialist steel - it can be a 
drop of brown goo if it works well.

Do note the testimonials from the US Airforce and Boeing. Not top 
ranked ones, but worth noting.

> A real extractor
> will definitely work if some "friction enhancer" is good enough, and
> for the cases where it's too much for the goo, the extractor will 
> have
> to be the next step anyway.  :)

But I'd very very happily use goo if it worked, in preference to an 
extractor. Less time, no swarf etc, less risk to castings, ... .

> Anyway, here's the MSDS: http://tinyurl.com/s7yso.  It's brown gunk
> with some light abrasive mixed in, made by the same people that make
> PB Blaster (which is actually a decent penetrating lubricant).

Which may tell yuou something about it. But they may have just got 
lucky.

> --Danny, tool snob



        Russell - tool utilitarian.


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