Robertson Screws? Drywall Screws?

[NW Modeling List]

I actually sent this to the wrong list, but still got fantastic responses. 
 Thanks Ed and Ed.

To the writer of the below (my apologies, I am unable to address you by name), 
what made the square drives superior?

Matt Goodman



>

>From: NW Modeling List <nw-modeling-list at nwhs.org>

>To: nw-modeling-list at nwhs.org

>Sent: Thu, October 28, 2010 6:38:45 PM

>Subject: Re: Robertson Screws?  Drywall Screws?

>

>While helping a friend build the benchwork for his Milwaukee layout we started 

>with Philips head drywall screws then switched about 1/4 of the way through to 

>Square drive screws. The Square drives were far superior in my opinion. We also 



>predrilled and countersunk everything. The screws came from a place called 

>McFeely's that specializes in square drives.

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>-----Original Message-----

>From: NW Modeling List <nw-modeling-list at nwhs.org>

>To: NW Modeling <nw-modeling-list at nwhs.org>

>Sent: Thu, Oct 28, 2010 3:37 pm

>Subject: RE: Robertson Screws?  Drywall Screws?

>

>

> I've used nothing but drywall screws of varying lengths - mainly 2" and 2 

>1/2".  Work great, go in easy and a lot cheaper than "normal wood screws".  Also 

>

>less apt to strip the head if you have to change something (if?????).

>

>Ed Svitil

>Norfolk & Western Railway

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>> Date: Thu, 28 Oct 2010 15:37:38 +0100

>> Subject: Robertson Screws? Drywall Screws?

>> To: nw-modeling-list at nwhs.org

>> From: nw-modeling-list at nwhs.org

>> 

>> The Canadians mentioned these on show 24 <grin>. I was scratching my head until 

>>

>>

>> Pierre volunteered the square drive clarification.

>> 

>> Question: Why these over a Phillips head? Both would seem to offer the benefit 

>

>

>> of self-centering of the driver, and, on the surface at least, the Phillips 

>> would seem to have an advantage of a longer lever (the squarehead screws I've 




>> seen have much shorter bearing surfaces than a Phillips.

>> 

>> What gives?

>> 

>> Another question - why not Drywall screws? They have an aggressive thread with 

>

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>> a thin shank, so self thread well. My intuition is that they would also be less 

>>

>>

>> likely to strip in soft material due to the deeper threads. I've typically used 

>>

>>

>> normal wood screws with pilot holes, especially in areas with a high shear 

>>load, 

>>

>> but I have used drywall screws on occasion.

>> 

>> Thanks

>> 

>> Matt Goodman

>> 

>> 

>> 

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