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RE: ASTM For Headed Anchor Bolts

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Harold,

You are not being "politically correct"...that would be anchor RODS not
anchor BOLTS.  <grin>

Regards,

Scott
Adrian, MI


On Tue, 19 Oct 2004, Harold Sprague wrote:

> Rich,
>
> This is not a problem.  Sometimes it takes a 2x4 between the eyes to
> persuade someone to use headed anchor bolts.
>
> The correct spec for all anchor bolts is ASTM F 1554.  There are many tests
> that show that the hooked anchor bolts do not work reliably.  The maximum
> length that you can get using an A 307 is about 8 inches.  Longer headed
> bolts than 8" will be "hot headed".  But hot heading is expensive for small
> quantities like anchor bolts.
>
> The best way is to draw a detail with a rod threaded on each end with a nut
> on the anchored end with the threads mechanically deformed.  They will take
> a punch and drive it into the threads at the nut interface to "lock" the nut
> to the bolt shaft to form the head.  They can also use all-thread for the
> bolt shaft.  It saves the threading process.
>
> Regards,
> Harold Sprague
>
>
>
>
> >From: richard lewis <rlewistx(--nospam--at)juno.com>
> >Reply-To: <seaint(--nospam--at)seaint.org>
> >To: seaint(--nospam--at)seaint.org
> >Subject: ASTM For Headed Anchor Bolts
> >Date: Tue, 19 Oct 2004 12:33:01 -0500
> >
> >What is the correct ASTM for headed anchor bolts that are commonly
> >available.  I have been using A307.  Is that the right one for anchor
> >bolts?  Is this commonly available?  I'm trying to persuade some of my
> >contractor clients into using headed anchor bolts instead of the 'J'
> >bolts because the tension values are higher.  I have a job right now
> >where the 'J' bolts are "on the job" even though my details show headed
> >bolts and the contractor is telling me how difficult it is to get headed
> >bolts.  I would like to get headed bolts in the range of 12" to 16"
> >overall length if possible.
> >
> >Thanks.
> >
> >Rich
>
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