Orphan Bolt Thread
John Kunkel wrote:
The stud extending from an original 1940 Ford brake pedal pad measures .525"
and an 18 pitch gauge fits it perfectly. What is the thread?
At a guess I would have suggested 1/4" American National Standard
Straight Pipe thread but it may have been a precursor as I don't think
the American Standards had been introduced in 1940.
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