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iron_panda

Removing a stripped allen bolt?

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Posted (edited)

Hey guys, I went to put a spacer on my headset today but couldn't get the stem off as one of the allen screws have been stripped :( Just wondering if anyone knows a way of getting it out? I've seen a few suggestions on YouTube but they all seem to be for cars and generally bigger, manageable screws. 

Thanks for any help!

Edited by iron_panda

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Either try to use a grub screw which will be the clean way to do it or drill the bolt completely out and heli coil the stem 

 

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As said above really man ,or cut a slot in the bolt and use a hefty flathead screwrdiver

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I thought you were supposed to drill and tap the bolt with a counter threaded hole, screw in a new counter threaded bolt and crack it that way?

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Like this 

if you are stuck, bet your local bike shop have the right tools for this and could do it for about£20.

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if its flush,then the above advice/video will sort out the problem,But if you have the bolt head exposed ,get a hacksaw ,saw grove deep enough for hefty fla thead screwdriver.......You can do it :) 

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Tap an oversized torx bit into the the allen key head

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Always found the Torx bit method to work the best, just make sure it's in all the way and square.

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On 1/9/2017 at 2:37 PM, Alex Dark said:

Tap an oversized torx bit into the the allen key head

Had a look at the torx bits I have and the largest one is a tiny bit too small for a good fit but thanks for the suggestion! I'm sure I know some one that has a full set of torx bits.

On 1/9/2017 at 1:34 PM, Dave Anscombe said:

if its flush,then the above advice/video will sort out the problem,But if you have the bolt head exposed ,get a hacksaw ,saw grove deep enough for hefty fla thead screwdriver.......You can do it :) 

It's half flush. The stem has a space manufactured out for the bolt to recede into it :(

I think at the risk of scratching and/or damaging the bike I think I'll take it into my local shop and get them to do it.

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