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Mechanical properties of screws and nails.

Mechanical properties of screws and nails.

Mechanical properties of screws and nails.

(OP)
I'm trying to find mechanical properties of screws vs. nails to support an arguement. Specifically I need to compare plastic coated utility screws (or deck screws) to galvanized nails. Anybody know where I can go to get property information?

Thanks - Dave

RE: Mechanical properties of screws and nails.

Try the Machinist Handbook?

Kenneth J Hueston, PEng
Principal
Sturni-Hueston Engineering Inc
Edmonton, Alberta Canada

RE: Mechanical properties of screws and nails.

Might try Forest Products Laboratory Handbook.  I believe they are on the web too.  They did a lot of research on your question in the past.
You may need to define "nails" a bit further when you start looking.  There are sveral different shank features that make big differences in hold.
You may need to specify material by species unless you are using a molded wood fiber/resin composite.

Griffy

RE: Mechanical properties of screws and nails.

I have to second the post by griffengm as I've see some papers and references to same on nails and screws. The website of the lab in Wisconsin might be a good place to start.

Look at some specific manufactures websites as I've seen some comparisons of different type screws.  

RE: Mechanical properties of screws and nails.

One has to ask the question, are you interested in the mechanical properties of the steel itself or are you interested in pull-out resistance due to geometry? Screws will ALWAYS outperform nails by a huge margin in that regard since they not only have the radial compression of the wood, but the shear effect of the thread itself as well.

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