Which type of bolt is best for securing a metal box to a wall to prevent it being pulled away: Screw Bolt or Anchor Bolt?
And by Screw Bolt I mean this:
And by Anchor Bolt I mean this:
(source: northerntool.com)
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3Depends on what the wall is made of, where you're anchoring to it, what forces the box is going to put on the fastener... We can't give a good answer unless you give us more details about what you're trying to do.– keshlamDec 20, 2014 at 0:36
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So it's going into a brick wall. The box itself, one half is open and the other has a drawer. So I just don't want it to be pulled off.– userMod2Dec 20, 2014 at 0:40
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2How much weight, how much torque when the drawer is extended...? My instinctive response is that the anchor bolt, in an appropriately sized hole, will hold better but a malliable anchor insert used with the screw bolt (or an ordinary sheet-metal screw) might hold as well or better. I used anchors to support the lumber rack, but that was decided "by guess and by golly".– keshlamDec 20, 2014 at 0:47
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If you use the screw bolt with a hammer drill to pre-tap, I'd recommend pushing a small amount of PL into the hole first to both help fill gaps and provide better holding power.– David HoelzerDec 20, 2014 at 2:37
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2Those anchor bolts are for concrete or stone and require a precisely-sized hole, in which case they are very strong. Red clay bricks are too soft and the anchors will pull out. What kind of brick?– Tom RobinsonDec 21, 2014 at 7:11
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1 Answer
I'm old school: I still use lags and shields. They "never" pull out when installed properly.
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I'd tend to agree; I've never put 'em in, but they sure as hell don't like coming out. The fastener shaft usually snaps first before it will dislodge the wedges.– MazuraMar 24, 2015 at 22:32