SOHC.co.uk Forums > CB500/550

fork drain screw bolt sheared

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ka-ja:
Hi,
     The fact it has moved gives hope, if the drilled hole is deep enough, an old engineering trick is to gently tap in a suitably sized file tang and ease it out, but beware with any tapped in extractor not to swell the the screw and make it tighter!           Ken

MikeM:
i saw that review, but there others saying it worked for them ... so i guess try it and see  :-\

tom400f:

--- Quote from: Ewan 500 K1 on March 25, 2014, 08:18:13 AM ---"
They suggested I drilled in to the bolt and use the grabit in the drilled hole. I did that, applied a medium amount of pressure and the end of the grabit sheared off.
"

--- End quote ---

...which is what can easily happen and leaves you in a worse place than when you started. They seem awfully brittle things.

I have had more success with careful drilling successively larger sizes.

MikeM:
the only thing with going bigger is left hand drill bits are not cheap

MikeM:
If i knacker this can i put inserts into aluminium ?

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