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Old 16-11-2020, 21:37   #1
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Removing remains of a steel bolt from titanium

Unfortunately someone used a steel bolt in my titanium exhaust and the damn thing seems to have fused together and snapped off when I tried to remove it. I therefore tried to drill the steel bolt out with a reverse direction drill bit which usually does the job, however sadly in this case it didn't budge so I'm now left with a thin layer of the bolt left in/over threads.

I'm left considering the best approach to get the rest of the bolt out - I'm assuming a tap is the only option, however I'm worried about the tap getting stuck/snapping off in the titanium. Anyone had to deal with something similar and have any suggestions? (Note: there's not enough clearance behind to drill it through and use a bolt/washer so that option is out)
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Old 20-11-2020, 19:02   #2
super rover
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HEAT ,get a blow torch on there you wont get it any other way ,it will have to be hot thats for sure ,but you may just beable to chase whats left of the bolt out the threads
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