Quote:
Originally Posted by DieselDoNicely
Tungsten Carbide three sizes one pilot, second larger, really a pilot for the big one, third the size of the stud od (slightly bigger), by stud I mean the threaded section of the bolt that goes into the hub. I tried chiselling and only succeeded in slipping and damaging the wheel. The face of the bolt is the hardest metal I have ever had to drill, even cobalt wouldnt touch it. Untill you drill most of the head off clouting it will get you no where.
DDN
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Have you managed to remove the bolt??