Jay what vise U using on your mill, and how much was it?
I machined a few copper spiral tops and man does my mill NOT like copper either!
I think that if you made the 1/4 channels then reset your Y axis and X axis a little off, then it will go in and make it wider
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Creator of the Spir@l Block
Longest post ever
http://forums.procooling.com/vbb/showthread.php?s=&postid=43808#post43808
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