I stumbled on some oddball bolts and was wondering if anyone knows what they were made to be used on. They are 7/16-24 thread. Parkerized, plain head. 1/4" thick and 5/8' hex head.
Thanks, belmont
hennesse wrote:This is an odd thread - finer than fine. This would probably be used in an application that is subject to a lot of vibration.
Most other weirdo bolts and nuts get a Harley number, and they don't list the specifications.
belmont wrote:hennesse, I have several original parts books going back to 1939 and ending in 2001. Harley put an list of fasteners and their description at the beginning of the index pages at the end of the books starting with the change to the "new" part number system in 1949. My hope is that there is someone out there that knows the answer.
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