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Old 10-22-2012, 04:37 PM
deerless deerless is offline
B&C 120 Class
 
Join Date: Oct 2008
Location: Rhode Island
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A thread file is best if you just need to clean up things a little. A tap WILL cut if sent in the hole if it was not the same dim. as the original tool that made the threads. I will make a guess but I figure barrel manfacturers are producing threads in a CNC lathe and not with a tap. Far more control over dimensions and better quality. Good luck....
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