Threads on steerer stripped/crushed - solutions? - Bike Forums
stripped thread - Detailed instructions on how to fashion a straight flute tap from an old bolt using only a file and hacksaw - Motor Vehicle Maintenance & Repair Stack Exchange
Three Ways to Fix a Damaged Thread | Insert Tech 101
stripped threads : r/bikewrench
Stripped bolt threads - how did I do it, how do I fix it? | Toyota Tundra Forum