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Author Topic: stripped out wood screws  (Read 5262 times)

1carguy

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stripped out wood screws
« on: September 18, 2010, 11:25:56 AM »
I've found several wood screws in the interior of my 6 year old TT that are stripped out. It's mostly where something is attached into thin (1/4" - 3/8") plywood. Sometimes it's not practical to just install a larger screw so I was hoping that someone has found a better solution. The old toothpick or match trick doesn't work on thin plywood.

tswms

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Re: stripped out wood screws
« Reply #1 on: September 18, 2010, 11:51:50 AM »
There is an old woodworkers trick you might try.  Take several toothpicks , stick them in the hole and break off. then replace the screw.  Better yet dip the toothpicks in epoxy glue, let dry then replace the screw.
Tony
90 Newmar Kontry Star
07 Saturn Ion
Siloam Springs AR (NW)

Gary RV_Wizard

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Re: stripped out wood screws
« Reply #2 on: September 18, 2010, 12:47:00 PM »
A get a small diameter piece of doweling - 1/8" is about right.  If the paneling is real thin, though, this technique does not work real well. Try a screw anchor instead, if you can find one designed for a shallow material. Ask for a "shallow wall anchor". I've also had some success with the screw-in type of drywall anchor.   If there is much stress on the screw, sometimes you have to resort to a toggle bolt instead of a screw.

http://homerepair.about.com/od/interiorhomerepair/ss/wall_fastening.htm

http://www.google.com/products/catalog?hl=en&q=drywall+anchors&client=firefox-a&cid=12170456247053499193&ei=nPqUTOaYF4-IxgWtl4TeDQ&sa=title&ved=0CAcQ8wIwADgA#p

http://en.wikipedia.org/wiki/Screw_anchor
Gary
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Gary Brinck
Summers: Black Mountain, NC
Home: Ocala National Forest, FL

34footer

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Re: stripped out wood screws
« Reply #3 on: September 18, 2010, 12:47:51 PM »
Drill a hole in the plywood, epoxy a dowel in the hole and let dry. Drill a small pilot hole in the dowel, insert your screw.
J
1988 Pace Arrow, 34 feet, Chevy 454
                       So Cal

carson

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Re: stripped out wood screws
« Reply #4 on: September 18, 2010, 01:01:12 PM »
Just a thought...using toothpicks or glued in dowels still depends on 1/4" - 3/8 plywood to carry the load....no change but for a period of time.

  I'll go with Gary's ideas for a long time fix. " Ask for a "shallow wall anchor". I've also had some success with the screw-in type of drywall anchor.   If there is much stress on the screw, sometimes you have to resort to a toggle bolt instead of a screw."

Carson
Carson, 
 West Central Florida
Ex RV'er. (1995 Winnebago Adventurer)
2007 Buick Rendezvous, SUV / CROSSOVER

...Logic works like a charm...

Gary RV_Wizard

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Re: stripped out wood screws
« Reply #5 on: September 18, 2010, 01:22:57 PM »
If you have 3/8" plywood to work with, the dowel or toothpick trick will work. Most RV paneling, however, is more like 3/16" or even 1/8".  Just to flimsy to get a grip on/in.
Gary
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Gary Brinck
Summers: Black Mountain, NC
Home: Ocala National Forest, FL

Lowell

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Re: stripped out wood screws
« Reply #6 on: September 18, 2010, 01:30:30 PM »
If there is much load, the toothpick or dowel won't hold well as all the wood grain fiber goes in the direction of the screw. Then as the screw goes in, it cuts the wood fiber.  It works better if the screw is going into wood across the grain fibers.   Hopefully, you can get a anchor to work.
Lowell

2005 Cherokee28A TT
pulled by 2009 Dodge 1500 Crew Cab 4X4
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Tempe, Arizona

John From Detroit

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Re: stripped out wood screws
« Reply #7 on: September 18, 2010, 03:02:32 PM »
Ah, thought I replied to this,, Now realize it was elsewhere

Molly bolt.. The device expands behind the wall in the hollow space.  If it comes out you will need to do a major re-build job cause though they may go in a hole say quarter inch, they come out like 1-2 inches around.
Nothing adds excitement like something that is none of your business
My Home is where I park it.

1carguy

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Re: stripped out wood screws
« Reply #8 on: September 18, 2010, 07:02:54 PM »
Thanks for the good tips. I just solved my most recent stripped hole for a Cable TV wall plate. I glued a small piece of 3/8 wood (about the size of a nickel and glued it behind the stripped hole. Let it dry, drilled a small pilot hole and it worked like new!

Spoonsize

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Re: stripped out wood screws
« Reply #9 on: September 19, 2010, 09:21:22 AM »
You can do a similar thing for almost any hole. Cut a slot, and slide a rectangle of plywood with glue thru the slot. If you attach a string to the rectangle thru a SMALL diameter pilot hole you can pull the rectangle against the inside of the hole and tie it off to hold it while the glue sets.

tinner12002

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Re: stripped out wood screws
« Reply #10 on: September 19, 2010, 04:29:06 PM »
If your not hanging something real heavy you could use a toggle bolt, has wings that fold on insertion and expand out when on the backside. If you have a foam wall you could probably get them spread out, just have to make sure the bolt isn't longer than your wall is thick.

Johncmr

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Re: stripped out wood screws
« Reply #11 on: September 21, 2010, 12:38:23 PM »
I've had these problems with darned near every one of my trailers.  I've come up with a solution that seems to work, not only for stripped out screws, but for mounting hangers, shelves and what ever to the plywood or paneling. 
I bought several lengths of expanding type anchors, the kind you put in a drilled hole, then run the bolt in until the legs expand against the back-side of the panel, remove the bolt and place it through what-ever you are securing.  They make very short ones that even work on hollow core doors as well as thin paneling.  If, by random chance there's a wooden brace where the hole is, I just oversize the screw and go from there.

johncmr

 

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