Gallery, Projects and General > How do I??
Removing a hex bolt that has been rounded
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John Hill:
How about some way to stop the socket jumping off?

For example, if the bung is on the bottom of the bike pack some blocks of wood under there until the weight of the bike is holding the socket on,  if the bung is on the side of the bike you might be able to lean the bike against the socket which in turn is being braced by a handy fence post?  

Play it safe and do not let the bike fall over!
Ned Ludd:
Very interesting link that, but I still like the right size spanner or socket as first choice.
I used similar technology to make a tool for removing seized pistons in motor-cycle brake calipers, the harder you turn the harder it grips and once you get the piston turning you can pull too.
Ned
jim:
had the same trouble with my CG125, (i'm putting a sidecar on it :lol:, its a long story)

get the engine warm, give it a "tap" square to the face. then a good tap with a chisel. to turn the cap. mine came undone ok.

they don't need to be done up too tight, if you reuse the cap (i did) with a new o ring on it i just nipped it up and all is well again!


Bourne Bill:
you can try putting a piece of shim stock over the flats on the bolt, and force a socket over it. It has worked for me in the past........
kvom:
Another idea is to weld a good bolt onto the rounded one.
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