How to drill straight?
On Mar 30, 7:58*am, "Pat" wrote:
In addition, I would like to hear from the engineers in here about the
validity of the above statement. *I do not believe it for a minute. *This
is done quite often and I would be surprised to learn that it compromises
the integrity of the beam. *Unless you meant to say by 1/4 of 1 percent.
|