Thread: Drilling Canopy
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Old 02-27-2017, 08:30 PM
rvbuilder2002 rvbuilder2002 is offline
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 7,957

Originally Posted by mrhorspwr View Post
As far as using the #40 pilot first. It is dangerous because when u drill the hole up to size, the bit will try to pull itself through to quickly and blow out the back.
That's why it is a good idea to use plexy drill bits (instead of a regular one run into concrete), They cut with zero rake, and wont pull themselves through.
Any opinions expressed in this message are my own and not necessarily those of my employer.

Scott McDaniels
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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