[TheForge] Drilling terra cotta

Jeff Harding [email protected]
Wed Apr 17 15:45:00 2002


Thanks Roy;

   Good info, I stand corrected.. and surprised.

   Jeff   ><>


> On Wed, 17 Apr 2002 07:53:48 -0500, Dave Brown wrote:
>
> >The question I have is whether or not the terra cotta will drill
using a
> >regular drill (this works on clay pigeons) or a masonry bit.  Or
will I
> >have to find a diamond abrasive hole cutter for the task?
>
>   I cheated - I asked one of my neighbors who runs a ceramics shop.
>  She uses a regular HSS drill bit for small holes, a short length
> of pipe "with the end roughed up" (technical term there<G>, looks
> like she scored it across the diameter with a file a few times).
>
>   Runs it fast with drill bits, slow with the pipe.
>
>   She also said not to use a masonry bit or any other spade-type,
> the chatter will give you a hole a lot bigger than you wanted in
> terra cotta or fired clay.
>
>
>
> Roy Wilson