Re: 1950 Martin 60 Crankshaft Top Thread Broke

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September 16, 2016 at 3:28 pm #44145
frankr
Participant

    Considering it is an amateur job on the crankshaft, they did a fairly decent job, even if off-center. I’ve seen more than a few done that way. Often the shaft is so hard to drill and tap. Consider just running it.