Root nut installation using a small air chisel

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Root nut installation using a small air chisel Den 03-28-2008
Posted by Den on March 28, 2008, 6:44 am
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 I've got a heap of M5 root nuts (
http://www.rageem.com.au/Products/Special_Application_Nuts/Buff_root_nuts.jpg )
to install in some enclosures. The plan was to peen them by hand using a
hammer & punch tool into an 8mm hole in 1mm thick sheet steel cabinets.


I was wondering if a small air chisel fitted with an appropriate punch tool
would do the job (without all the hammer pounding)....

Air chisel link: http://www.justtools.com.au/prod3598.htm


Any thoughts or similar experiences? Thanks.




Posted by Jim Wilkins on March 28, 2008, 8:15 am
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> I've got a heap of M5 root nuts (http://www.rageem.com.au/Products/Special=
_Application_Nuts/Buff_root_...)
> to install in some enclosures. The plan was to peen them by hand using a
> hammer & punch tool into an 8mm hole in 1mm thick sheet steel cabinets.
>
> I was wondering if a small air chisel fitted with an appropriate punch too=
l
> would do the job (without all the hammer pounding)....
>
> Air chisel link:http://www.justtools.com.au/prod3598.htm
>
> Any thoughts or similar experiences? =A0Thanks.

When I can't use an arbor press I install them in aluminum by starting
them straight with a screw, then tap them seated with a hammer and
flat block of steel. Sometimes a large C clamp will work.

Jim Wilkins

Posted by Den on March 28, 2008, 8:40 am
Please log in for more thread options

> I've got a heap of M5 root nuts
> (http://www.rageem.com.au/Products/Special_Application_Nuts/Buff_root_...)
> to install in some enclosures. The plan was to peen them by hand using a
> hammer & punch tool into an 8mm hole in 1mm thick sheet steel cabinets.
>
> I was wondering if a small air chisel fitted with an appropriate punch
> tool
> would do the job (without all the hammer pounding)....
>
> Air chisel link:http://www.justtools.com.au/prod3598.htm
>
> Any thoughts or similar experiences? Thanks.

When I can't use an arbor press I install them in aluminum by starting
them straight with a screw, then tap them seated with a hammer and
flat block of steel. Sometimes a large C clamp will work.

Jim Wilkins



Thanks for the Jim, putting them into aluminium is much nicer, unfortunately
I've got a few hundred to install.



Posted by Larry Jaques on March 28, 2008, 9:12 am
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On Fri, 28 Mar 2008 19:44:36 +0900, with neither quill nor qualm,

>I've got a heap of M5 root nuts (
>http://www.rageem.com.au/Products/Special_Application_Nuts/Buff_root_nuts.jpg )
>to install in some enclosures. The plan was to peen them by hand using a
>hammer & punch tool into an 8mm hole in 1mm thick sheet steel cabinets.
>
>
>I was wondering if a small air chisel fitted with an appropriate punch tool
>would do the job (without all the hammer pounding)....
>
>Air chisel link: http://www.justtools.com.au/prod3598.htm

AU living is pricy, isn't it? A very similar gun with 5 chisels goes
on sale in the States for $4.99 on a regular basis. It's normally
$9.99. AAMOF, it's on sale right now. Got any US buddies?
http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=32940

>Any thoughts or similar experiences? Thanks.

My experience is mostly with reseating pemnuts.

I'm guessing that those nuts are chrome-plated brass. If so, build a
proper setting die and weld or screw it to a cheap air chisel shank.
It should do just fine. Be sure to back up the nut with the other half
of the die (or a lot of mass) while setting.

If you're going to be sealing that, maybe a hydraulic press would work
better. It would give you an adjustable seating pressure for a gasket
to work better.

G'luck!

--
Books are the compasses and telescopes and sextants and charts which other
men have prepared to help us navigate the dangerous seas of human life.
--Jesse Lee Bennett

Posted by Don Foreman on March 28, 2008, 1:39 pm
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>I've got a heap of M5 root nuts (
>http://www.rageem.com.au/Products/Special_Application_Nuts/Buff_root_nuts.jpg )
>to install in some enclosures. The plan was to peen them by hand using a
>hammer & punch tool into an 8mm hole in 1mm thick sheet steel cabinets.
>
>
>I was wondering if a small air chisel fitted with an appropriate punch tool
>would do the job (without all the hammer pounding)....
>
>Air chisel link: http://www.justtools.com.au/prod3598.htm
>
>
>Any thoughts or similar experiences? Thanks.

I think so, if it's small enough to be controllable. One of these
might work better than the larger general-purpose air hammers:

http://www.superiorpneumatic.com/cb1.htm






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