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Head bolts stripped advice

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Old Apr 14, 2009 | 04:40 PM
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Default Head bolts stripped advice

So I went out and got a 12mm 12pt to fit my head bolts but I stripped them both out any Ideas on how to get these dang bolts out im so tired or doing this i just want it to end!!!!
Old Apr 14, 2009 | 06:51 PM
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Hey man, I had the same exact problem. What I did was went over to walmart and bought a stripped bolt socket. It worked PERFECTLY. I recommend heading over to a local hardware store and ask around until you find one. I think it was like $5
Old Apr 14, 2009 | 07:07 PM
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check out dezod for there exhaust stud removal procedure. should work for you as well.
Old Apr 14, 2009 | 07:17 PM
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Originally Posted by krazykevin
Hey man, I had the same exact problem. What I did was went over to walmart and bought a stripped bolt socket. It worked PERFECTLY. I recommend heading over to a local hardware store and ask around until you find one. I think it was like $5
can you pm me please and let me know what the tool was called and with a number to reach you at i have another question about it as well
Old Apr 14, 2009 | 07:29 PM
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pm'd
Old Apr 14, 2009 | 07:42 PM
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Originally Posted by streetracer99x
Originally Posted by krazykevin
Hey man, I had the same exact problem. What I did was went over to walmart and bought a stripped bolt socket. It worked PERFECTLY. I recommend heading over to a local hardware store and ask around until you find one. I think it was like $5
can you pm me please and let me know what the tool was called and with a number to reach you at i have another question about it as well
hey bro...at hardware stores...like Home Depot...they have actual screw/bolt extractors specifically for this. They even work if the head of the bold/screw is sheared off completely. and they arent very expensive either.
It comes with 2 bits...one to make a clean cone shaped hole in the damaged bold/screw. then you flip it around and it has an extracting head bit that grabs onto the surface hole you just made and pulls it right out using a standard power drill.
Old Apr 14, 2009 | 10:12 PM
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Ok here is a good lesson for those that do not know to get a bolt that is torqued in or in very tightly do not use a 12 pt wrench as the amount of surface space on the wrench is smaller than that of a 6 sided wrench,using a 6 sided wrench will greatly lessen the chance of stripping bolts.This was one of the first things my father taught me when working on cars,he was a mechanic for many years so I listened to everything he said,hope this helps others not strip bolts.
Old Apr 14, 2009 | 10:42 PM
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guys guys guys - its a 12 point INTERNAL head - not like a socket - hard to explain if youve never seen the bolt - using a hex head (otherwise reffered to as a torx bit) WILL strip the head of the bolt - you must use a 12mm 12 point internal wrench bit. He got the right tool second time around but it was already too late Try the bolt extractor but those suckers are in there good - you may have to drill them out - done easiest on a drill press - you can take it to a machine shop to have them do this.
Old Apr 14, 2009 | 10:46 PM
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^hes right



this is what the head bolts look like kinda
Old Apr 14, 2009 | 10:56 PM
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haha i want gold head bolts!!!! but yea thats what they look like - just longer
Old Apr 15, 2009 | 02:14 AM
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aha..........yes the torx would not be good to use for those,there are bolt extractor tools that clanp over the bolt and will leverage it out,not sure what they are called,but Sears used to have them.Torx are 6 points if i remember.....the 12s are a special bit.
Old Apr 15, 2009 | 04:02 AM
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Originally Posted by thendawg
guys guys guys - its a 12 point INTERNAL head - not like a socket - hard to explain if youve never seen the bolt - using a hex head (otherwise reffered to as a torx bit) WILL strip the head of the bolt - you must use a 12mm 12 point internal wrench bit. He got the right tool second time around but it was already too late Try the bolt extractor but those suckers are in there good - you may have to drill them out - done easiest on a drill press - you can take it to a machine shop to have them do this.
X2 you may have to take it to a machine shop to get out and the best thing maybe using left hand drill bits vs using right hand. With left hand drill bits while you are drilling it out if it break loose usually it will pull the whole bolt out.
Old Apr 15, 2009 | 06:56 PM
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Originally Posted by BZinn1
Ok here is a good lesson for those that do not know to get a bolt that is torqued in or in very tightly do not use a 12 pt wrench as the amount of surface space on the wrench is smaller than that of a 6 sided wrench,using a 6 sided wrench will greatly lessen the chance of stripping bolts.This was one of the first things my father taught me when working on cars,he was a mechanic for many years so I listened to everything he said,hope this helps others not strip bolts.
That depends on the 6 and 12 sided wrenches. Sometimes the 12 will grip better. In addition, head bolts tend to be 12 sided [they can be internal like yours, or external like a normal bolt], so you can't necessarily use a 6 point.
But most of the time you are correct.

Originally Posted by thendawg
guys guys guys - its a 12 point INTERNAL head - not like a socket - hard to explain if youve never seen the bolt - using a hex head (otherwise reffered to as a torx bit) WILL strip the head of the bolt - you must use a 12mm 12 point internal wrench bit. He got the right tool second time around but it was already too late Try the bolt extractor but those suckers are in there good - you may have to drill them out - done easiest on a drill press - you can take it to a machine shop to have them do this.
Torx and hex "bits" aren't the same thing. "Hex" bits are allen head bits/wrenches/sockets; torx are different.
And you CAN use a 6 point on the head bolts, I can't tell you how many I've done that way. You just have to be careful and make sure you're straight on.
If you have the right tool you're better off using it, I only point this out because it's relatively hard to find 12 point bits like that, the 6 point are much easier.

I'm not correcting you to be an a$$, it's so you know next time.
Old Apr 15, 2009 | 07:00 PM
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Thanks guys but its to late... I tried everything and I cant get them off someone told me just to weld some metal on the bolt and pull it off that way. Im so confused
Old Apr 15, 2009 | 07:49 PM
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You might have screwed yourself, depending how badly they're damaged.
Headbolts are high quality steel, a bolt remove might not work. Drilling will be a PITA [can be done though], welding a piece of metal might work, but there's a lot of torque on that bolt...

There's nothing wrong with doing things yourself, but sometimes it's better to take it somewhere to get done. :shrug:
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