[modeleng] Re: How do these work please?

Thanks Ken, and Peter of course. What puzzled me is that while it looks a 
bit like a pin chuck, to grip inside a hole, it would only be of use with a 
through hole, for access to the set screw adjuster, where a nut and bolt 
might be just as easy.

Tony.
----- Original Message ----- 
From: "Ken Strauss" <ken.strauss@xxxxxxxxxxxx>
To: <modeleng@xxxxxxxxxxxxx>
Sent: Sunday, April 22, 2007 3:16 PM
Subject: [modeleng] Re: How do these work please?


> They're very simple. Just a cylinder of steel (?) that has six slits along
> the axis to make fingers. A central hole is drilled and tapped. Inserting 
> a
> flat-head screw expands the fingers. It is easier to see the design if you
> click on "View larger picture" on the eBay listing that you referenced.
>


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