why not just do it like we do in our trucks....hammer it down!!!

did i forget to tell you we break lots of things on our trucks too.
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Ouch... wonder how much duller your bit is now.  The black core material in my Vertigo reminds me of iron filings almost.  Makes me wonder if the USBC's decision to change the no metal rule to a maximum density rules has allowed the return of some nasty core filler materials.  

Nick, isn't the core in the OI rather hard as well?  Maybe the bit that was being used when the driller was punching holes in it was dull.

I know the Core Power LRG had a very low density filler between the core and coverstock.  That was a crooked thumbhole until I decided to get it slugged.
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"A word to the wise ain't necessary -- it's the stupid ones that need the advice."  Bill Cosby

Edited on 3/21/2006 7:47 PM

Nick, were you possibly drilling into the division between the two densities in the inner portion of the core?  The difference in denisties would be enough to push the bit into the softer portion of the core and cause the chattering.
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"A word to the wise ain't necessary -- it's the stupid ones that need the advice."  Bill Cosby