Atari ST connectors (was: Atari SIO bus connectors found)
cclist at sydex.com
Thu Nov 1 20:13:49 CDT 2007
On 1 Nov 2007 at 22:36, Tony Duell wrote:
> The wookshp manual  I have alongside me gives the removal method as
> drilling a hole down the middle and then using an easy-out. Does that
> term exist across the Pond? It's a tapered tool with a left-hand thread
> on the otuside. Put it down the hole, turn it anticlockwise with a tap
> wrench  and it bites into the sides of the hole and turns the
> shear-head olt anticlockwise too.
Easy-outs, like tap extractors are perfect examples of oxymorons.
I've never found an Easy-out that will remove a really stuck sheared-
off bolt, nor have I found a tap extractor that will remove a broken
I've come to the conclusion that most people who have success with
tap extractors buy really cheap taps that break if you look at them
crosseyed. A good tap, when it breaks is impossible to remove with a
A very slick way to remove a steel bolt or tap that's sheared off in
an aluminum casting (e.g. a hard disk body) is to use nitric acid
and a little heat--the acid doesn't bother the aluminum but eats
enough of the steel to loosen it for removal. I've heard that alum
(I don't know what sort, probably amonium) also works.
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