Enlarge a hole in studs

Posted by DD_BobK on October 14, 2009, 2:47 am

> > how about cutting a @ 2 1/2 inch in a piece of 2x4 and
> > screwing that over the center of the 2 inch hole, and using
> > the 2 1/2 inch hole as a guide..

> This is the standard way of enlarging a hole. =A0I use scrap 3/4"
> plywood as it's less likely to create problems of depth, you can use
> the ubiquitous 1 1/4" drywall screws to attach it, and the plywood
> won't split with repeated use.
> R
> Even better! =A0Problem solved! =A0Thanks RicodJour.

And if oyu want to do the "plywood guide thing" AND reinforce the
studs.......

slap on a pre-drilled piece on plywood on one side & a non-drilled
piec of plywood on the other side.

Make the pieces of plywood ~5.5 x ~14". Center the drilled over the
old hole (or where ever).
glue & screw the plywood to the stud and cut the holes.

You're done & the studs are reinforced as well. :)

cheers
Bob

Posted by Doug Brown on October 14, 2009, 8:20 am

news:cd4e801d-b05e-485c-8fee-
This is the standard way of enlarging a hole. I use scrap 3/4"
plywood as it's less likely to create problems of depth, you can use
the ubiquitous 1 1/4" drywall screws to attach it, and the plywood
won't split with repeated use.

R

Or our friends at Lee Valley have this:
http://www.leevalley.com/wood/page.aspx?c=1&p=52518&cat=1,180,42316

Posted by RicodJour on October 14, 2009, 10:08 am

> Or our friends at Lee Valley have this:http://www.leevalley.com/wood/page=

.aspx?c=3D1&p=3D52518&cat=3D1,180,42316

That's pretty funny, and could be very useful. Since it uses the
original hole, if the center is off you won't be able to tweak the
final hole location. Still, it's a fast and cheap way to fix most
such things.

R

Posted by DerbyDad03 on October 14, 2009, 10:30 am

> news:cd4e801d-b05e-485c-8fee-
> This is the standard way of enlarging a hole. =A0I use scrap 3/4"
> plywood as it's less likely to create problems of depth, you can use
> the ubiquitous 1 1/4" drywall screws to attach it, and the plywood
> won't split with repeated use.
> R
> Or our friends at Lee Valley have this:http://www.leevalley.com/wood/page=

.aspx?c=3D1&p=3D52518&cat=3D1,180,42316

I don't use holes saw too often so I have a question about this line
from the website:

"...mandrel is threaded to accept saws with 1/2" and 5/8" diameter
mounting holes."

The hole saws listed at the Lee valley site don't say anything about
the mounting hole size, but based on the description of the 2
mandrels, it appears that they all have the same size mounting hole.

http://www.leevalley.com/wood/page.aspx?c=3D2&p=3D32276&cat=3D1,180,42316

Does that mean I could buy the Opps Arbor from Lee valley, but would
have to find hole saws with the correct size mounting holes from some
other source?

Posted by RicodJour on October 14, 2009, 10:39 am

> > Or our friends at Lee Valley have this:http://www.leevalley.com/wood/pa=

ge.aspx?c=3D1&p=3D52518&cat=3D1,180,42316

> I don't use holes saw too often so I have a question about this line
> from the website:
> "...mandrel is threaded to accept saws with 1/2" and 5/8" diameter
> mounting holes."
> The hole saws listed at the Lee valley site don't say anything about
> the mounting hole size, but based on the description of the 2
> mandrels, it appears that they all have the same size mounting hole.
> http://www.leevalley.com/wood/page.aspx?c=3D2&p=3D32276&cat=3D1,180,42316
> Does that mean I could buy the Opps Arbor from Lee valley, but would
> have to find hole saws with the correct size mounting holes from some
> other source?

Only the ones with which you usually make your mistakes. ;)

I hadn't picked up on the different thread size requirement. That
cuts way down on the cheapness and convenience quotients.

In any event, that double mounting arbor is interesting, but I'd
REALLY like to see something that would let you drill a smaller hole
after you drilled one too big. Similar to the 2x4 extender attachment
on my circular saw.

R

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Enlarge a hole in studs - Page 3