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Need cement for fastening screw into concerte _ 05-18-2008
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Posted by =?ISO-8859-15?Q?Tekkie=AE?= on May 20, 2008, 7:57 pm
David Nebenzahl posted for all of us...

> On 5/19/2008 1:03 PM letterman@invalid.com spake thus:
>
> > wrote:
> >
> >>What kind of anchors came with the railing?
> >
> > They are called "machine screw anchors".
> >
> > I DID tighten then very tight. In fact I found a few of them were
> > spinning in the concrete when I was tightening them, so I did not put
> > much faith in them right away.
> >
> > I just did a web search to find a photo of these things. Here they
> > are.
> > http://www.concretefasteners.com/anchors-fasteners/machine-screw/index.aspx
>
> That page tells me that a "setting-tool [is] required to set anchor".
> Did you use one?
>
>
>
AND he probably wobbled the drill so the holes are oversized...
--
Tekkie GRIP = Get Rid of Incumbent Politicians

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Posted by Rudy on May 20, 2008, 11:30 pm

>> Hi
>> I need to attach a metal bracket to a concrete wall, Ive drilled holes
>> for the screws, but I dont want to depend on screw tread alone,

Since you have drilled the holes already..look up TAPCON screws or Red Head
Wedge Anchors. Used both..neither will budge
If you INSIST on glue, use concrete epoxy



Posted by DerbyDad03 on May 18, 2008, 8:54 pm
> Hi
> I need to attach a metal bracket to a concrete wall, Ive drilled holes
> for the screws, but I dont want to depend on screw tread alone, I'd
> like to fill the hole with some type of cement then put the screw in.
> Don't know what type is best. =A0Any suggestions?? Thanks

I'm assuming you didn't look at Tap-Con or Pro-Con screws.

The instructions for these screws tell you the correct sized masonry
bit to use based on the size of the screw you choose. No "cement" or
adhesive needed.

If you've already drilled a hole based on you're own judgement, then
I'd suggest a good quality 2 part epoxy (not 5-minute epoxy) with the
proper filler added to thicken it up.

Posted by Norminn on May 18, 2008, 8:59 pm
_ wrote:

>Hi
>I need to attach a metal bracket to a concrete wall, Ive drilled holes
>for the screws, but I dont want to depend on screw tread alone, I'd
>like to fill the hole with some type of cement then put the screw in.
>Don't know what type is best. Any suggestions?? Thanks
>
>
Lead anchor.

Posted by Joseph Meehan on May 18, 2008, 9:03 pm
For most uses you don't need any cement. You should use a system
designed for the application in question. Don't expect ordinary screws to
work, get screw/anchors designed for the material and weight you will need.



> Hi
> I need to attach a metal bracket to a concrete wall, Ive drilled holes
> for the screws, but I dont want to depend on screw tread alone, I'd
> like to fill the hole with some type of cement then put the screw in.
> Don't know what type is best. Any suggestions?? Thanks


--
Joseph Meehan

Dia 's Muire duit




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