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Re: 3/4" x 20 tpi nsc crankshaft thread

That is correct Lee. There is a thread chart in 'Technical' .........

http://www.wdbsa.nl/Threads.htm

NSC (Non standard Cycle) as opposed to the normal 26tpi I guess. But the thread angle is the same. (Whitworth form) Ron

email (option): ronpier@talk21.com

Re: 3/4" x 20 tpi nsc crankshaft thread

I purchased a die nut specifically for thread repair...and works great!!!

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