> >Pricey little bugger (about $60 in 'plumbing' sizes)
>
> >Dave
> > Neat. =A0I wonder how two teeth would improve it? =A0 =A0 =A0 =A0
It wouldn't necessarily improve it. The one-tooth jobs are just
wonderful for when you're crawling around in a bug-infested crawlspace
and there's only room for a little, low-torque hand drill to run the
pipe through the joists.
When the wood is wet it's a simply HUGE impediment to have a bunch of
teeth on the hole saw.
The single-tooth hole saw compared to a typical shop hole saw is sort
of like the moral superior of a spade or even better an auger drill
bit over a twist drill bit. The factors that matter in the shop aren't
the same factors when you're hunched over in the crawlspace trying to
run that goddamn pipe through the joist :-).
Posted by Wes on June 12, 2008, 10:58 pm
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>It wouldn't necessarily improve it. The one-tooth jobs are just >wonderful for when you're crawling around in a bug-infested crawlspace >and there's only room for a little, low-torque hand drill to run the >pipe through the joists. > >When the wood is wet it's a simply HUGE impediment to have a bunch of >teeth on the hole saw.
I noticed that my brother, a master electrician, uses auger bits to drill joists
and walls
with an electric drill. No spade drills for him and likely for a good reason.
Like cutting metal, punching holes in wood likely has a bit of trade secrets to
it.
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>
>http://www.lenoxtools.com/enUS/Product/ONE_TOOTH_ROUGH_WOOD_HOLE_CUTTER.html
>
>Pricey little bugger (about $60 in 'plumbing' sizes)
>
>Dave