This time its about drilling metal.
I've got an exhaust manifold with a bolt broken in it. I need to drill the thing out - it is about 10mm in the manifold and I think its a 8mm bolt.
I've spent a while on it, but its not happening. Managed to drill a skinny pilot hole, then when full size, nothing much happens. I broke loads of bits so had to stop. I bought some titanium coated ones from the bay of the gay. They drilled very well through a few rivets I had to drill through on something else, but didnt really do much on my broken bolt - made an indentation about 1 or 2 mm after probably about half an hour of drilling and I snapped two of them, so I've only got two left. I really wanna get it done tomorrow, as its the only thing holding me up before I put my alfa back together.
Any suggestions please?
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