Gold Lifetime Member
Join Date: Jan 2005
Location: 2 Dog Town in West Texas
Re: Drill Bits, cobalt, HSS, Black oxide, titanium ???
If you got the bit broke off into the bolt, you are really in deep as the bit is gonna be harder to get out than the bolt...but you need the hole. IF you can grab any piece of the bolt and I am guessing you cant, grab the remainder bolt with vise grips and heat bolt , then quench with solvent or even water to shrink it.. maybe , just maybe you can contract the bolt enuff to turn it .. Save the HF drill bits for something like wood or plastic..
Sounds like you have the fender out of the way and are working on the body threaded hole? A last resort is to weld a bolt on top and use it as a stud? Slot the fender area and slide fender onto stud,, add shims and tighten nut? Cut off remainder of bolt thread? No? Too much southern engineeing?
TC # 349
Zdld17:69 Z/RS,306, NOR141111, 9N554XXX, 12A, X3G, 59/59,723, AFR 195,CCC282/290HR, TKO 600, BU1122B1E Owner since Dec 1968
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