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Old 11-05-2017, 08:27 PM   #11 (permalink)
BURLMAN
 
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Join Date: May 2011
Location: Chattanooga, TN
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I drill (bore) my blanks on my Shopsmith using a PSI pen blank chuck. Using the same drill bit and technique, with square blanks, I can have a centered hole one time, and the very next blank will be off center. Or vice versa. Can't figure it out, but suspect it its something I am doing.
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