On Sat, 09 Oct 2004 15:55:01 GMT, mac davis
wrote:

the forstner would provide a nice flat
bottomed hole to make the plug gluing easier,

You might do this if you were using a large plug and a small
screwhead. It's easier though just to drill and pluge in one pass -
the sizes are usually OK

but you need the tapered
countersink/counterbore for the screw head to seat properly, right?

Only if you care what it looks like. Down the bottom of a hole, the
screw will seat fine and you'll never see any gap or broken fibres
around the edge..

Particularly in softwood, you don't need to countersink either.
There's a Stanley combination drill (taping, clearance and head) which
forms a neatly set screwhead by scribing a circle around it, rather
than countersinking. The countersink is formed by compression alone,
but the scribed circle forms a neat edge.


--
Smert' spamionam