[SEL] OTnow homebuilding - now nails rulez

Al Harris al.harris at rustic-engines.com
Sat Dec 20 11:16:51 PST 2008


Crikey, I wish I had a couple more bridges to flog off.

I'm letting go now fellas. ;-) I got a xmas party to get ready for today.

You lot up north there - shorts, thongs, beer, prawn/shrimp on the BBQ - 
ya know. :-)

Cheers,

Al Harris
Summer Clarence Coast NSW Oz

al.harris at rustic-engines.com



William Olson wrote:
> Hi Al,
>
> Friday, December 19, 2008, 11:33:51 PM, you wrote:
>
> AH> So you didn't think much of the professional presentation, the accuracy
> AH> of the data and the obvious amount of research that went into that 
> AH> production. ;-)
>
> AH> Cheers,
>
> AH> Al Harris
> AH> Summer Clarence Coast NSW Oz
>
> AH> al.harris at rustic-engines.com
>
>
>
> AH> Tim Christoff wrote:
>   
>>> That video really doesn't prove much Al, not trying to pick a fight. 
>>> Sheetrock screws are designed for sheetrock into lumber, thats it.  Using
>>> them for anything else and they can and will shear easily.  When watching
>>> that video, the man hit the construction screw in the threaded area.  Yes
>>> it will shear easily there.  That is why you buy construction screws with a
>>> shank that will allow the threads to completly embed in the receiving
>>> lumber and not between the two peices being joined.  The shank will have
>>> greater shear strength then the threaded part.  Nails are also (most of
>>> them) made of softer metal so they will bend or pull before shearing.  You
>>> can take a ring shank nail of a 60D size, that's a hell of a lot bigger
>>> around than a 16D, and shear it in half with just 2 hits of a 22 oz hammer
>>> if the ring part of the nail is not completly embelded in the lumber.  So
>>> there is a large nail that is no better than a smaller screw when not used
>>> properly.  With the proper screw being used, you can put something together
>>> a lot tighter and stronger than you can using nails but you will also pay
>>> for it in the cost of the screws and the time it takes to insert them.
>>>       
>
>   
>>> Tim Christoff
>>> Basehor Kansas
>>>   
>>>       
>
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>    The video wasn't showing the shear strength of the fastener, but the bending force or brittleness of each.  Shear strength would be when you fastened two pieces together and then force one of them laterally to try to shear it off, like when two blades of scissors slide on each other.
>
>   



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