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Re: OT- bolting things to concrete floors.

To: Daniel Neuman <dneuman@quark.sfsu.edu>,
Subject: Re: OT- bolting things to concrete floors.
From: R Haug <haugchiro@moscow.com>
Date: Thu, 08 Feb 2001 18:45:00 -0800
Daniel Neuman wrote:

> Hello,
>         Hmm, a rotor hammer drill sounds pretty fierce.  I don't suppose a
> black and decker 3/8" hand drill is going to cut it.. What about a pretty
> beefy 1/2" drill that I can borrow from work??
>                 Daniel 69 2000
>                 SF CA
>
> > Daniel,
> > You need a rotor hammer drill and a wedge anchor, also  known as a Redhead.
> > Redhead is a brand name and you can use other brand fasteners. You can rent
> > a rotor hammer drill from most rental yards or borrow one from a friend. You
> > will
> > need to know the size of bolt you are going to use and the size of hole
> > required by
> > the manufacturer of the wedge anchor. You can also rent the bits from a 
>rental
> > yard.
> >
> > First you drill the hole to the proper depth and diameter as required and 
>then
> > you blow
> > out the dust . Then insert wedge anchor by leaving the nut on it and then
> > driving it down in
> > the hole. When you tighten it the wings on it expand and wedge it to the
> > concrete.
> >
> > You can also use an epoxy type anchor , but will be to expensive for what 
>you
> > need.
> >
> > I have personally installed these and also done pull out tests on hundreds 
>of
> > them
> > and they work well . The concrete around them usually fail before they do. I
> > have
> > pulled some using a hydraulic ram up to 36,000 psi without failure.
> >
> > I am going to use a couple on my garage floor to anchor a winch on it to 
>pull
> > cars up from the driveway and in to the garage when the motor is out. Tired 
>of
> >
> > chasing a neighbor down every time I want a car inside.
> >
> > Mike
> > Nowroc
> >
> >
> >
> > Daniel Neuman wrote:
> >
> > > Hello All,
> > >         I want to  bolt a piece of metal working equipment (tube bender)
> > > to my garage floor.  Never done anything like it before can someone please
> > > give me a few pointers??
> > >                 Thanks,
> > >                         Daniel 69 2000
> > >                         SF CA

You will be drilling for a long time without the hammer drill.
Bob

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