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Old 01-18-2013, 02:57 PM   #5 (permalink)
Join Date: Aug 2007

the thread between the CCM backs and barrel is also 20 TPI... don't have a thread mic here to check the actual nominal size though... it's right around 7/8" so it's a very good chance it's also 7/8-20 thread. If you're going to make parts to suit or drawings for them you're going to need to measure these sizes correctly with the proper tools.
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