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Posted by Daryl in Oz on Sunday, August 02, 2009 at 09:01:49 :
In Reply to: Re: WTF? 1/2-16 thread posted by Glen Idaho on Sunday, August 02, 2009 at 01:47:29 :
1/4 x 26 and a heap of other odd sizes that nothing else fits are bicycle threads. These are a left-over from the very old days where they often had one set of dies to cut various diameter threads. They were common on older motorcycles both English and American.
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