Re: Brake bleed screw/UFO calipers.

[Wolff <wolff_b@ix.netcom.com>]

Olesen, Allan wrote:
> 
> On Thu, 25 Dec 1997 14:38:41 -0500, you wrote:
> 
> >--- TU(e)V, don't ya' know.  I haven't been able to find a broken
> >screw/stud removal tool  -- but I haven't looked very hard.  Are these
> >things effective?  Do they create much in the way of metal shavings?
> 
> Yes, there is a tool. I do not know the english word for it (the
> Danish word is "ornepik", referring to a specific part of the male pig
> anatomy). However, the tool has a conical male left hand thread, so
> you can drill a hole in the bolt, screw the tool counterclockwise into
> the hole, and unscrew the bolt.
> 

The one time I used a screw extractor on a broken bleeder valve it did
work. Whether this was luck or not, who can say. If the screw extractor
had snapped off, then it would have been impossible to drill because the
extractor is as hard as a drill bit.
Wolff