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RE: how thick steel angle ok for self tapping screws?

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I see it now you need to have #12-24 to have a no. 4 drill point.


From: Mark Pemberton [mailto:markpemberton(--nospam--at)]
Sent: Monday, December 19, 2005 8:08 AM
To: seaint(--nospam--at)
Subject: Re: how thick steel angle ok for self tapping screws?


I've had no trouble up to 1/2" with the right screw drill point.  (I don't remember the number of drill point, but it was something like 4 or 6?)  The erectors said they went in like butter.

"Haan, Scott M POA" <Scott.M.Haan(--nospam--at)> wrote:

How thick of a steel angle can #10 or #12 self-tapping screws be connected to?  I have normally seen people use powder driven fasteners for connecting stud clips to steel angles but have recently seen a detail using self-tapping screws.  It seems like it would be pretty labor intensive screwing deflection clips to a ¼” steel angle.




Scott M Haan




Mark Pemberton, S.E.

Pemberton Engineering
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