Reply by Smitty_Cabinetshop

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Posted on Question regarding use of drill press

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15347 posts in 2614 days

#1 posted 05-11-2012 04:49 PM

If the “sometimes it chews up the sides” is shown in the first picture above, it’s blow out resulting from the bit exiting the hole at the bottom of your pieces. Put a piece of junk wood / a sacrificial board under your good stuff and drill through the good stuff normally, but stopping in the junk. If the good is held down firm, that trick should minimize blow out.

Inside hole roughness may be the type of bit you’re using, not sure.

EDIT: Another way to prevent blow out is to drill through until the bit just peaks through the piece, then flip it over and cut from the other side…

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