Quote:
Originally Posted by Rockah
Hey Adrian
. The centre holes in all my dovetails seem to be threaded to the same size as the stock piggy back screw that comes with in the top of my main tube rings, and the holes at the extreme ends of the dovetail are unthreaded and can fit anything M6 sized into them - both combinations are a real pain because it seems you have to have an M6 screw with a threading the same of that found in camera threads.
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Camera threads are 1/4" Whitworth and are a different pitch to M6, even though the two are (almost) the same - 1/4"BSW is 6.4mm.
Cheers
Graeme