REFLECTOR: countersinking

[Brian Michalk]

Once you get that, go to Oshkosh, or Sun and Fun.  Go through the 
surplus and used parts guys.  You can find bits for the tool at about $1 
each.  Good bargain for fiberglass guys.  If you are doing steel, you 
might need a fresh bit.

The ones I found looked new.

I also like going through their selection of wire.  Lots of colors and 
sizes.

Jim Agnew wrote:
> It is fully adjustable for depth and will allow you to make each counter 
> sunk hole exactly the same.  It also has a pilot to keep the depression 
> centered.  It is worth the money.
>  
> James F. Agnew Jim_Agnew_2 at Yahoo.Com Tampa, FL Velocity 173 Elite 
> Aircraft Completed & Flying
> 
> 
> ----- Original Message ----
> From: Grigore Rosu <grosu at cs.uiuc.edu>
> To: reflector at tvbf.org
> Sent: Sunday, February 05, 2006 9:45:59 AM
> Subject: REFLECTOR: countersinking
> 
> Hi,
> 
> I'd like to get a countersink and just noticed the note in the
> Velocity manual that aviation countersinks must be 100 degrees, unlike
> non-aviation ones which can be anywhere between 60 and 120 degrees.
> 
> Found one at aircraft spruce,
> http://www.aircraftspruce.com/catalog/topages/microstopcountersink.php,
> but it seems a bit expensive ($40).  Does anybody have any suggestion for
> beginners?  I don't mind buying the one from aircraft spruce if it is
> really good and indispensible.
> 
> Thanks,
> Grigore
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