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how to screw into concrete

putting up handrails need to be sure screws dont come loose,and rails stay secure

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Posted 2012-07-25T21:27:58+0000  by devoem333 devoem333
 

Hello devoem333, and welcome to the community!

 

There are a few ways to anchor your handrail into concrete. If you happen to have a Hammer Drill, this will make your life so much easier. The Hammer Drill not only rotates but it also goes in & out, so you you don't have to apply pressure as you would with a regular rotating drill. If you have quite a few holes to make and you don't want the expense of a new drill, you can rent it at the Home Depot.

 

One more important thing to mention, don't forget to wear your eye protection, hearing protection, and a dust mask, the fine dust that is created when drilling into concrete can be toxic.

 

Option 1:

The first type of anchor is called a TapCon screw.

TapCon.png

 

These screws use the walls of the hole to hold the screw in place. You first drill the hole where you want the anchor, but make sure you use a specific size as indicated on the package, this is very important, because if the hole is just a hair too big, the screw will not hold. If your looking for a small head anchor, these are the ones you want. 

Tapcon drill.jpgTapcon screw.jpg

 

 

 

Option 2:

This next one is called a Wedge Anchor.

wedgeanchor.jpg

These types of anchors have a wedge at the bottom, as you tighten the nut, the bolt moves upward and the wedge presses against the wall of the hole, making for a very strong hold. Drill the hole to the size indicated on the package, blow out any debris in the hole and tap the the anchor in the, then tighten the nut 3 to 5 turns.

 

redhead_wedge_dia1.gifredhead_wedge_dia2.gifredhead_wedge_dia3.gif

 

If you would like to see a larger variety of anchors go to ITW Brands. There you will find several different types of anchors for a variety of applications.

 

Posted 2012-07-26T14:03:37+0000  by Angelo_HD_CHI

thats what i was looking for!!!!~!! thank you!! I couldnt think of wedge anchor!!you rock

Posted 2012-07-26T18:56:25+0000  by devoem333

Thank you, glad to be of some help!

Posted 2012-07-26T18:58:49+0000  by Angelo_HD_CHI

Go here: http://www.icreatables.com/exterior-home-improvement/concrete-screw.html . This will give you a good demonstration on how to screw into concrete.  Hope this helps.

Posted 2012-07-27T12:26:01+0000  by zelque

Sorry!  Didn't notice your question had been answered, already.  Good luck on your project.

Posted 2012-07-27T12:39:36+0000  by zelque

Will these ideas work on stucko.  I would like to put a flag mount on the outside of my house.

Posted 2012-07-28T02:52:03+0000  by gtp0083

Hello gtp0083, and welcome to the community!

 

Although stucco is a very strong material, it is only an exterior coating to give it a final appearance. So a flag pole bracket would not hold very well if you only went into the stucco, you still need to penetrate into the framing of the home at least 2 inches.

Posted 2012-07-28T14:12:21+0000  by Angelo_HD_CHI
 
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