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Stripped allen head bolt

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Old Apr 15, 2005 | 08:54 PM
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Default Stripped allen head bolt

Just like it says. Anyone got any ideas for removing that sucker?
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Old Apr 15, 2005 | 09:05 PM
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If its a stud just double nut it and tighten then up and use the lower nut to take off the stud that should do the trick.
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Old Apr 15, 2005 | 09:06 PM
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I wish... I can only get to the head. Anyone else?
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Old Apr 15, 2005 | 09:27 PM
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Vise grips? Might take you forever ...

Or an impact screwdriver. Or cut a slit in it with a dremel.

Where exactly is the bolt?
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Old Apr 15, 2005 | 09:31 PM
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The bolt is actually not even on my car, its on the mnotorcycle im tryin' to fix. Its got a rounded head like a machine screw so vice grips are out. I was gonna try the dremel thing but that took forever last time and I just wanted to see if anyone had any other ideas.
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Old Apr 15, 2005 | 09:55 PM
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Originally Posted by 9silverbird8
Just like it says. Anyone got any ideas for removing that sucker?
How about a "twist socket"?
http://www.caseytool.com/twistsockets.html
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Old Apr 15, 2005 | 09:56 PM
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If you had a welder you could weld a nut over the stud and weld through the nut to the stud like a plug weld.
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Old Apr 16, 2005 | 11:03 AM
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You could try an "EZ-Out" bit...something like this:

http://www.sears.com/sr/javasr/produ...id=00952156000
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Old Apr 16, 2005 | 01:18 PM
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http://www.arizonatools.com/catalog/...1038&catId=116

will work


http://www.etoolcart.com/browseprodu...AHN-11135.HTML

is the kit I use

12 pt torx bits can also be pounded i nand used to remove em
I get to deal with lots of stripped allen and torx becasue the germans seem to think they are the cats *** ......................they arent
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Old Apr 16, 2005 | 03:49 PM
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Originally Posted by DynoDR
How about a "twist socket"?
http://www.caseytool.com/twistsockets.html
if you have room around the bolt, then this is perfect
best tool I bought off the matco lady
Originally Posted by tuff
If you had a welder you could weld a nut over the stud and weld through the nut to the stud like a plug weld.
perfect if the is no room, have done this several times
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Old Apr 16, 2005 | 05:14 PM
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Originally Posted by ta12sec
http://www.arizonatools.com/catalog/...1038&catId=116

will work


http://www.etoolcart.com/browseprodu...AHN-11135.HTML

is the kit I use

12 pt torx bits can also be pounded i nand used to remove em
I get to deal with lots of stripped allen and torx becasue the germans seem to think they are the cats *** ......................they arent
Thanks, that looks like it will work perfectly.
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Old Apr 16, 2005 | 09:53 PM
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Originally Posted by ta12sec
I get to deal with lots of stripped allen and torx becasue the germans seem to think they are the cats *** ......................they arent
Give me a hex head any day of the week.
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Old Apr 17, 2005 | 02:37 AM
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well somethigs it works great, but somethings not so much
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Old Aug 14, 2012 | 11:03 PM
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Originally Posted by tuff
If its a stud just double nut it and tighten then up and use the lower nut to take off the stud that should do the trick.
I am in this situation (can't get 12 point ARP head stud out of block) and did what is quoted above (double nut) and it got the stud out. However, now I cannot remove the top nut because the gear wrench that I have in between the two nuts only goes one way (if you are using it to tighten you have to take it off and flip it to loosen) and it is setup to loosen. So i have solved my stud problem but now I have a new problem.

Please help!!!!!

Thanks in advance.

Last edited by jdoyle; Aug 14, 2012 at 11:32 PM.
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Old Aug 15, 2012 | 07:59 PM
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Can you double nut the block side threads and the remove the top nut to release your gear wrench?
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Old Aug 16, 2012 | 10:11 AM
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Every motorcycle owner ought to have a hand impact driver.
They cost about 10-20 bucks and come with a 5/16" hex that
takes Philips (so you can back out those crusty Jap bike
case screws and replace them with Allens) and a 3/8" square
drive head (so you can put an Allen bit on there). A 2# baby
sledgehammer and a little wrist tension, and these suckers
work great. The happer forces the bit into the fastener just
when you need it to.

Not all of them come with the 3/8 square socket bit, watch
for that. The cheap $6.99 Harbor Freight one looks to not,
but I've picked up flea market ones for 5 bucks that did.

http://www.sears.com/shc/s/p_10153_12605_SPM3278860402P
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Old Aug 16, 2012 | 12:15 PM
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Originally Posted by therabidweasel
Can you double nut the block side threads and the remove the top nut to release your gear wrench?
That's a really good idea man. I Wish I would have thought of that. I just threw the studs in a vice and that did the trick.
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Old Aug 16, 2012 | 01:04 PM
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Originally Posted by jimmyblue
Every motorcycle owner ought to have a hand impact driver.
They cost about 10-20 bucks and come with a 5/16" hex that
takes Philips (so you can back out those crusty Jap bike
case screws and replace them with Allens) and a 3/8" square
drive head (so you can put an Allen bit on there). A 2# baby
sledgehammer and a little wrist tension, and these suckers
work great. The happer forces the bit into the fastener just
when you need it to.

Not all of them come with the 3/8 square socket bit, watch
for that. The cheap $6.99 Harbor Freight one looks to not,
but I've picked up flea market ones for 5 bucks that did.

http://www.sears.com/shc/s/p_10153_12605_SPM3278860402P
Hand impact is indispensible with mechanical toys! Hand impact fits in the niche where normal powered impact is an certained overkill!

The nature of combining steel fastener and aluminum, over time, vibration, expansion, contraction and galvanic action will ended up with difficulty in fastener removal.

I have SnapOn, IMO, use good tools to avoid the painfull damage controls!
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Old Aug 17, 2012 | 01:02 PM
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The cool thing about the hand tool is that you're actually
driving the bit into the workpiece just when you need the
seating force to fight cam-out. An impact gun, you can lean
into it but that's still only a hundred or so pounds of in-force
(unless you're sitting on it). But the "impact" is pure rotary.

If the Allen in question is rounded beyond help, another
idea might be to get a slightly oversized Torx bit, call it
expendable and use the hand impact tool to pound it in
and hopefully grab. Maybe bevel the lead face a hair, to
help it in.
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Old Aug 17, 2012 | 02:33 PM
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Originally Posted by jimmyblue
The cool thing about the hand tool is that you're actually
driving the bit into the workpiece just when you need the
seating force to fight cam-out. An impact gun, you can lean
into it but that's still only a hundred or so pounds of in-force
(unless you're sitting on it). But the "impact" is pure rotary.

If the Allen in question is rounded beyond help, another
idea might be to get a slightly oversized Torx bit, call it
expendable and use the hand impact tool to pound it in
and hopefully grab. Maybe bevel the lead face a hair, to
help it in.
So the air impact tools with their rotary action in conjunction with hammer blow/minute are misleading claims?

Not trying to be argumentive, TIA!!
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