Just a quick question and forgive me if it annoys you, how deep into
the wood should a screw go? A 1/3 of the width of the wood? 2/3s?

Thanks and many regards.

wrote:


Just a quick question and forgive me if it annoys you, how deep into
the wood should a screw go? A 1/3 of the width of the wood? 2/3s?

Thanks and many regards.

Wouldn't that depend on the thickness of the wood? Wouldn't it depend
on what is being attached? I can't think of any "one size fits all"
answer to your question.

Dave

wrote:



Just a quick question and forgive me if it annoys you, how deep into
the wood should a screw go? A 1/3 of the width of the wood? 2/3s?


The correct answer is "deep enough".

All depends on what you're screwing to what. You're looking for a one
size fits all answer and there is no such thing.

Joe Barta

wrote:

Just a quick question and forgive me if it annoys you, how deep into
the wood should a screw go? A 1/3 of the width of the wood? 2/3s?

Thanks and many regards.


You mean thickness? The standard solution is the
screw should be 3 times as long as the thickness
of wood piece it hold. Often not an option.

Maybe you are asking how deep can you screw it
without a bulge in the wood. If so, and you drill
pilot holes, the screw tip should stop about 1/8"
to 1/4" from the wood surface that is visible and
to be finished.

wrote in message
oups.com...


Just a quick question and forgive me if it annoys you, how deep into
the wood should a screw go? A 1/3 of the width of the wood? 2/3s?

Thanks and many regards.


Most screw manufacturers say 1/3 of the screw in the top piece, 2/3's of the
screw in the bottom piece.

Fri, Feb 24, 2006, 4:35pm (EST-3) doth query:
Just a quick question and forgive me if it annoys you, how deep into the
wood should a screw go? snip

All the way.



JOAT
If you have something to say, raise your hand.
Then shove it in your mouth.

actually everything about any screw you can buy is predetermined. I read
Machinerys Handbook. There are pages upon pages of indexes on everything
you could want to know. Its a book about a book. Then its a book. There
are no surprises in fasteners. Its just easier if you can just pick up one
screw that ain't gonna do it and if you have a basic knowledge you can count
the ways to get where you are going. You can shop at HD without moving your
feet. But the calculations! You ask. It gives. Before you can ask. Its
not big onn wood though, there is a bit of info. I'm not looking.



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whats really intersting though isn't recognising that there is a 1/2"
unthreaded shoulder on all screws from e to f lengths, 3/8" before, 3/4"
after, none here, etc. but being about to recognize where the potential
breaks are. Where logic makes a U-turn - it is natural - I sold screws for
a while. This Q isn't rocket science. But you bettter beieve that it is.
You could literaly spend the rest of your life gathering info - and yes, you
would need a genius IQ just to even think about it.



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On 24 Feb 2006 16:35:06 -0800, wrote:

Just a quick question and forgive me if it annoys you, how deep into
the wood should a screw go? A 1/3 of the width of the wood? 2/3s?

Depends on what you're screwing, what kind of wood you're using and
how strong it has to be. For a joint that doesn't need to be very
strong, you'll need less "grab" than a joint that's load bearing.
Screwing into soft wood is different than screwing into hard wood.

The only real answer is "deep enough to do the job".

Brian Henderson wrote:
On 24 Feb 2006 16:35:06 -0800, wrote:

Just a quick question and forgive me if it annoys you, how deep into
the wood should a screw go?

The only real answer is "deep enough to do the job".

I agree. Whenever I screw I bury the wood entir...err...forget it.

JP

A good rule of thumb is that the screw should drive through to about half the thickness of the bottom piece. So a 1" thick piece being screwed to a 2" thick piece should have a 2" screw.

--
For full context, visit https://www.homeownershub.com/woodwo...-go-83202-.htm

On Wednesday, May 5, 2021 at 4:45:06 PM UTC-4, jboisver wrote:
A good rule of thumb is that the screw should drive through to about half the thickness of the bottom piece. So a 1" thick piece being screwed to a 2" thick piece should have a 2" screw.


I need to hang some 1/4€� luan on a 6 x 12 beam. I guess I need a 6€� screw.

Oh...wait...the bottom piece will be the luan. I only need a 1/8€� screw.

On Wed, 5 May 2021 14:29:45 -0700 (PDT), DerbyDad03
wrote:

On Wednesday, May 5, 2021 at 4:45:06 PM UTC-4, jboisver wrote:
A good rule of thumb is that the screw should drive through to about half the thickness of the bottom piece. So a 1" thick piece being screwed to a 2" thick piece should have a 2" screw.


I need to hang some 1/4” luan on a 6 x 12 beam. I guess I need a 6” screw.

Oh...wait...the bottom piece will be the luan. I only need a 1/8” screw.

A 1/2" screw for 1/4" material is bad enough.

On Wed, 05 May 2021 20:33:05 -0400, wrote:

On Wed, 5 May 2021 14:29:45 -0700 (PDT), DerbyDad03
wrote:

On Wednesday, May 5, 2021 at 4:45:06 PM UTC-4, jboisver wrote:
A good rule of thumb is that the screw should drive through to about half the thickness of the bottom piece. So a 1" thick piece being screwed to a 2" thick piece should have a 2" screw.


I need to hang some 1/4” luan on a 6 x 12 beam. I guess I need a 6” screw.

Oh...wait...the bottom piece will be the luan. I only need a 1/8” screw.

A 1/2" screw for 1/4" material is bad enough.

How about "just few nails to tack it in place till the glue dries" for
the luan.

On Wed, 05 May 2021 20:10:52 -0500, Markem618
wrote:

On Wed, 05 May 2021 20:33:05 -0400, wrote:

On Wed, 5 May 2021 14:29:45 -0700 (PDT), DerbyDad03
wrote:

On Wednesday, May 5, 2021 at 4:45:06 PM UTC-4, jboisver wrote:
A good rule of thumb is that the screw should drive through to about half the thickness of the bottom piece. So a 1" thick piece being screwed to a 2" thick piece should have a 2" screw.


I need to hang some 1/4” luan on a 6 x 12 beam. I guess I need a 6” screw.

Oh...wait...the bottom piece will be the luan. I only need a 1/8” screw.

A 1/2" screw for 1/4" material is bad enough.

How about "just few nails to tack it in place till the glue dries" for
the luan.

How about not using luan on a ceiling.

On Wednesday, May 5, 2021 at 8:33:11 PM UTC-4, wrote:
On Wed, 5 May 2021 14:29:45 -0700 (PDT), DerbyDad03
wrote:

On Wednesday, May 5, 2021 at 4:45:06 PM UTC-4, jboisver wrote:
A good rule of thumb is that the screw should drive through to about half the thickness of the bottom piece. So a 1" thick piece being screwed to a 2" thick piece should have a 2" screw.


I need to hang some 1/4€� luan on a 6 x 12 beam. I guess I need a 6€� screw.

Oh...wait...the bottom piece will be the luan. I only need a 1/8€� screw.
A 1/2" screw for 1/4" material is bad enough.

Tom Silva suggests...

"e. To determine the appropriate size screw to use for a project,
take the thickness of the material being attached and pick a
screw thats roughly 2.5x that."

https://www.thisoldhouse.com/2109718...-decode-screws

On 5/5/2021 8:50 PM, DerbyDad03 wrote:
On Wednesday, May 5, 2021 at 8:33:11 PM UTC-4, wrote:
On Wed, 5 May 2021 14:29:45 -0700 (PDT), DerbyDad03
wrote:

On Wednesday, May 5, 2021 at 4:45:06 PM UTC-4, jboisver wrote:
A good rule of thumb is that the screw should drive through to about half the thickness of the bottom piece. So a 1" thick piece being screwed to a 2" thick piece should have a 2" screw.


I need to hang some 1/4€� luan on a 6 x 12 beam. I guess I need a 6€� screw.

Oh...wait...the bottom piece will be the luan. I only need a 1/8€� screw.
A 1/2" screw for 1/4" material is bad enough.

Tom Silva suggests...

"e. To determine the appropriate size screw to use for a project,
take the thickness of the material being attached and pick a
screw thats roughly 2.5x that."

https://www.thisoldhouse.com/2109718...-decode-screws



So a screw into 3/4" material attached to another 3/4" material should
be 1-7/8" long?

LOL

I replied to the first guy, but should have added not longer than 3
times the thickness of the material to be attached.

On Wed, 5 May 2021 14:29:45 -0700 (PDT), DerbyDad03
wrote:

On Wednesday, May 5, 2021 at 4:45:06 PM UTC-4, jboisver wrote:
A good rule of thumb is that the screw should drive through
to about half the thickness of the bottom piece.
So a 1" thick piece being screwed to a 2" thick piece should have a 2" screw.


I need to hang some 1/4” luan on a 6 x 12 beam. I guess I need a 6” screw.
Oh...wait...the bottom piece will be the luan. I only need a 1/8” screw.


Good one.
.... I guess that good-rule-of-thumb
was just pushed into the table saw blade ! :-)
John T.

On 5/5/2021 6:48 PM, wrote:
On Wed, 5 May 2021 14:29:45 -0700 (PDT), DerbyDad03
wrote:

On Wednesday, May 5, 2021 at 4:45:06 PM UTC-4, jboisver wrote:
A good rule of thumb is that the screw should drive through
to about half the thickness of the bottom piece.
So a 1" thick piece being screwed to a 2" thick piece should have a 2" screw.


I need to hang some 1/4€� luan on a 6 x 12 beam. I guess I need a 6€� screw.
Oh...wait...the bottom piece will be the luan. I only need a 1/8€� screw.


Good one.
... I guess that good-rule-of-thumb
was just pushed into the table saw blade ! :-)
John T.

I never heard of any such rule of thumb. Up to a certain
point, I just want my screws short enough that their points
don't protrude. If the bottom piece is thick enough, I
shoot for a screw that's at least twice as long as the
top piece's thickness. So screwing two 1" boards together
I'd go for a 1 3/4" screw. Screwing a 1" board to a 2"
board, a 2" or 2 1/2" screw. IOW, I just try to apply
a little common sense.

On Wed, 5 May 2021 18:55:19 -0600, Just Wondering wrote:

On 5/5/2021 6:48 PM, wrote:
On Wed, 5 May 2021 14:29:45 -0700 (PDT), DerbyDad03
wrote:

On Wednesday, May 5, 2021 at 4:45:06 PM UTC-4, jboisver wrote:
A good rule of thumb is that the screw should drive through
to about half the thickness of the bottom piece.
So a 1" thick piece being screwed to a 2" thick piece should have a 2" screw.


I need to hang some 1/4” luan on a 6 x 12 beam. I guess I need a 6” screw.
Oh...wait...the bottom piece will be the luan. I only need a 1/8” screw.


Good one.
... I guess that good-rule-of-thumb
was just pushed into the table saw blade ! :-)
John T.

I never heard of any such rule of thumb. Up to a certain
point, I just want my screws short enough that their points
don't protrude. If the bottom piece is thick enough, I
shoot for a screw that's at least twice as long as the
top piece's thickness. So screwing two 1" boards together
I'd go for a 1 3/4" screw. Screwing a 1" board to a 2"
board, a 2" or 2 1/2" screw. IOW, I just try to apply
a little common sense.

How do you hang sheetrock? 4/6" screws?

Just Wondering wrote in :
*snip*
Up to a certain
point, I just want my screws short enough that their points
don't protrude.
*snip*

YES! Especially you model railroaders out there. Please don't let that
point protude! Someone might have to maintain your work one day.

Screws are cheap and last forever if you don't use them. If you've got
space, buy 25-lb boxes of the sizes you use most and 5-lb boxes of the ones
you use less frequently. Have the right size on hand and you'll never have
to use the wrong one.

Puckdropper

On 5/5/2021 3:45 PM, jboisver wrote:
A good rule of thumb is that the screw should drive through to about
half the thickness of the bottom piece. So a 1" thick piece being
screwed to a 2" thick piece should have a 2" screw.



Actually the rule of thumb is close to 2/3's of the thickness of the
bottom piece plus the thickness of the top piece.

1" on to 2", use a 2.25 ~ 2.5" screw.

In normal measurements where the 1x is 3/4" and the 2x is 1.5" use a
1.75" screw.

On Thu, 6 May 2021 10:04:07 -0500, Leon lcb11211@swbelldotnet wrote:

On 5/5/2021 3:45 PM, jboisver wrote:
A good rule of thumb is that the screw should drive through to about
half the thickness of the bottom piece. So a 1" thick piece being
screwed to a 2" thick piece should have a 2" screw.



Actually the rule of thumb is close to 2/3's of the thickness of the
bottom piece plus the thickness of the top piece.

OK, again assuming the 6" wall and 1/2" sheetrock, you're going to use
4-1/2" screws? The electrician and plumber aren't going to like you.

1" on to 2", use a 2.25 ~ 2.5" screw.

In normal measurements where the 1x is 3/4" and the 2x is 1.5" use a
1.75" screw.

On Thursday, May 6, 2021 at 12:47:35 PM UTC-4, wrote:
On Thu, 6 May 2021 10:04:07 -0500, Leon lcb11211@swbelldotnet wrote:

On 5/5/2021 3:45 PM, jboisver wrote:
A good rule of thumb is that the screw should drive through to about
half the thickness of the bottom piece. So a 1" thick piece being
screwed to a 2" thick piece should have a 2" screw.



Actually the rule of thumb is close to 2/3's of the thickness of the
bottom piece plus the thickness of the top piece.
OK, again assuming the 6" wall and 1/2" sheetrock, you're going to use
4-1/2" screws? The electrician and plumber aren't going to like you.

If the electrician's and plumber's work is impacted by the hanging of
drywall, then it's their own fault. They missed a step.

https://i.ytimg.com/vi/LiO6RxYomJI/mqdefault.jpg

On Thu, 6 May 2021 10:48:59 -0700 (PDT), DerbyDad03
wrote:

On Thursday, May 6, 2021 at 12:47:35 PM UTC-4, wrote:
On Thu, 6 May 2021 10:04:07 -0500, Leon lcb11211@swbelldotnet wrote:

On 5/5/2021 3:45 PM, jboisver wrote:
A good rule of thumb is that the screw should drive through to about
half the thickness of the bottom piece. So a 1" thick piece being
screwed to a 2" thick piece should have a 2" screw.



Actually the rule of thumb is close to 2/3's of the thickness of the
bottom piece plus the thickness of the top piece.
OK, again assuming the 6" wall and 1/2" sheetrock, you're going to use
4-1/2" screws? The electrician and plumber aren't going to like you.

If the electrician's and plumber's work is impacted by the hanging of
drywall, then it's their own fault. They missed a step.

https://i.ytimg.com/vi/LiO6RxYomJI/mqdefault.jpg


With 4-1/2" screws in a 6" wall there are going to be problems that
aren't the plumber's or electrician's fault. The rocker may not be
around to blame, though.

On Thu, 6 May 2021 10:48:59 -0700 (PDT), DerbyDad03
wrote:

On Thursday, May 6, 2021 at 12:47:35 PM UTC-4, wrote:
On Thu, 6 May 2021 10:04:07 -0500, Leon lcb11211@swbelldotnet wrote:

On 5/5/2021 3:45 PM, jboisver wrote:
A good rule of thumb is that the screw should drive through to about
half the thickness of the bottom piece. So a 1" thick piece being
screwed to a 2" thick piece should have a 2" screw.



Actually the rule of thumb is close to 2/3's of the thickness of the
bottom piece plus the thickness of the top piece.
OK, again assuming the 6" wall and 1/2" sheetrock, you're going to use
4-1/2" screws? The electrician and plumber aren't going to like you.

If the electrician's and plumber's work is impacted by the hanging of
drywall, then it's their own fault. They missed a step.

https://i.ytimg.com/vi/LiO6RxYomJI/mqdefault.jpg
A few sheet-rockers found out the hard way not to cover Merv's
boxes!!! After a few weeks on a project using his magnet box finder
and keyhole saw to find the hidden boxes and numerous warnings he
resorted to the Estwing box finder. When they had to replace repair
about 14 sheets of drywall in a single house they learned how to cut
their drywall to keep the boxes open!!! (a subdivision of 35 or so
good sized homes)

On 5/6/2021 11:47 AM, wrote:
On Thu, 6 May 2021 10:04:07 -0500, Leon lcb11211@swbelldotnet wrote:

On 5/5/2021 3:45 PM, jboisver wrote:
A good rule of thumb is that the screw should drive through to about
half the thickness of the bottom piece. So a 1" thick piece being
screwed to a 2" thick piece should have a 2" screw.



Actually the rule of thumb is close to 2/3's of the thickness of the
bottom piece plus the thickness of the top piece.

OK, again assuming the 6" wall and 1/2" sheetrock, you're going to use
4-1/2" screws? The electrician and plumber aren't going to like you.

1" on to 2", use a 2.25 ~ 2.5" screw.

In normal measurements where the 1x is 3/4" and the 2x is 1.5" use a
1.75" screw.


Yeah I failed to mention that the limit should be triple the thickness
of the material being fastened as long as it is under 2/3's the
thickness of the material being fastened to.