"pyotr filipivich" wrote in message
...
"Jim Wilkins" on Mon, 12 Mar 2018 18:25:00
-0400 typed in rec.crafts.metalworking the following:
"pyotr filipivich" wrote in message
. ..
Larry Jaques on Sun, 11 Mar
2018
17:03:16 -0700 typed in rec.crafts.metalworking the following:
On Sat, 10 Mar 2018 07:40:56 -0800, pyotr filipivich
wrote:
Larry Jaques on Fri, 09 Mar
2018
08:00:48 -0800 typed in rec.crafts.metalworking the following:
I bought the kits eons ago, then made my own centering device.
https://www.homedepot.com/p/General-...1014/205585492
They came with brad point bits, so they don't drift so easily.
Trying
to fit 2 boards together with imprecisely drilled dowel holes is
like
herding cats. Jus tain't possible.

Hence the reason I had for wanting a long auger bit. The need
for
through holes on two 3" inch boards.

You can buy long brad point bits. https://is.gd/6aBAEs and other
sources.

Will have to look into those.

I forgot to mention dowel centers. You drill holes in one board,
put
the centers in the holes, then match up the other board to it and
tap
against the points, marking the second board precisely.
https://is.gd/ldqXBh

My problem is: no means to be sure I've the axis of the second
hole aligned with that of the first. So long bits, drill one
long
hole and cutting it in half (or thirds,with the extra hole can be
used
in handles or other projects.)

thanks
--
pyotr filipivich
"With Age comes Wisdom. Although far too often, Age travels
alone."

If the hole is square to the surface a Portalign works well.
https://www.ebay.com/i/162849626344?chn=ps

A more general approach is to lay out and center punch both ends of
both holes in a straight line, then drill with the work resting on
and
aligned by an upright point on the drill press table in line with
the
spindle axis.

My problem is - I don't have a "drill press". I had some, but
can't find them. Argggh.

--
pyotr filipivich
"With Age comes Wisdom. Although far too often, Age travels alone."

Well, if you can't make your own holes you'll have to buy them.
-jsw