Discuss Remove bolt that is snapped of in brickwork? in the Electrical Forum area at ElectriciansForums.net

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For anyone not yet sold on cobalt bits, I drilled a hole, through a drill bit! To prove it's not just some picture I found on the interweb, there's my username in the pics...

3.0mm split point HSS-Co bit into 12mm HSS-G...

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This would be very impressive,if it was on the flutes.....

You have drilled it,in the soft part.....check if you want,using a file.
This is why you can file the pips and scuffs off,that slipping in a chuck causes.....but you don't use a file,for sharpening the same bit :)
 
You got two optomistics because not only did you post twice but it is very OPTOMISTIC seeing as the bolt snapped in the first place. Now if you could use the angle grinder to make a PZ3 then you might stand a chance!
Use angle grinder to cut a slit (north to south) in the bolt and use flat head screwdriver to remove bolt.
 
For anyone not yet sold on cobalt bits, I drilled a hole, through a drill bit! To prove it's not just some picture I found on the interweb, there's my username in the pics...

3.0mm split point HSS-Co bit into 12mm HSS-G...

View attachment 48231
View attachment 48232

Thats cheating!
The shank of a drill is not hardened- try drilling the other end.

EDIT. see someone beat me too it with the hardness comment.
 
That's true, the cobalt bit could only make a small dent before I snapped the bit. Solid carbide drill bit, however.... :p

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Fair play:) you seem like a man with similar interests,to me....

I'm just a little concerned,that they have given you tools and internet access......after what you did,at Hatton Garden....:rolleyes:
 

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