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centering
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10-26-2010, 11:58 AM
modelman
Craftsman
Join Date: Aug 2010
Location: Cullman Al.
Posts: 856
Re: centering
I have heard that 135-degree split point drills do not require center drilling. Is this true? Also I cut mostly alum. on my lathe and it seems to cut better with the tool .020" above center. Does this make any sense? If so-why.
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