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Old 01-04-2008, 04:10 PM   #1
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Drilling into metal studs, do they flex?


I'm working on mounting two LCD tv's at the office. After doing a little research it seems that drilling into the metal studs and using toggle bolts should do the trick. My boss is concerned that when we drill into the stud, it will flex to the point of damaging it or the wall.

Is there any truth to this? I really didn't think it would be a problem.

Thanks a lot!

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Old 01-04-2008, 04:22 PM   #2
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Drilling into metal studs, do they flex?


Use a sharp drill for drilling into metal.

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Old 01-04-2008, 10:38 PM   #3
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Drilling into metal studs, do they flex?


Use self tapping screws...designed for steel studs
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Old 01-05-2008, 12:12 AM   #4
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Drilling into metal studs, do they flex?


Quote:
Originally Posted by Chris Johnson View Post
Use self tapping screws...designed for steel studs
...good advice.

Does steel framing flex? YES.

As advised, use self-tapping fasteners to avoid this.
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Old 01-14-2009, 04:18 PM   #5
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Drilling into metal studs, do they flex?


Yes, you could use self-tapping fasteners, but I prefer drilling holes through the sheetrock and steel stud, then using Hilti 1/4-20 Togglers. Here's a link:
http://www.homedepot.com/webapp/wcs/...egoryID=500218

The problems I have with using self-tapping screws for mounting TVs on walls with sheetrock and steel studs are 1) it is easy to over-tighten (or under-tighten) and therefore not get a good solid hold and 2) since steel studs CAN flex you sometimes can't tell whether you've actually gotten the screw to tap the stud instead of pushing it away and 3) since you aren't drilling a hole you can't see if you've damaged audio/video/electrical lines inside the wall.

I use a good 1/2" drill bit or Unibit to drill a clean hole thru the rock and stud, and then insert the toggler. Proceed very cautiously and drill a small pilot hole first, if needed, to minimize risk of damaging audio/video/electrical/alarm/phone/plumbing/who knows what. Once you've finished the hole, you can look in it, or carefully put a finger or fish tape in it, and confirm that you've got a good area for a toggler and that nothing in the wall has been damaged. Also, make sure you have enough space inside the wall to insert the toggler and to tighten the screw all the way down.
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Old 01-15-2009, 02:19 PM   #6
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Drilling into metal studs, do they flex?


If the studs are heavier gauge (20-16) self drillers would probably be fine as long as what you're hanging isn't very heavy. But if the studs are the light ones used for partitions then I'd go with the toggle's. Try drilling a small hole to test the thickness of the material.

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