As a retired Mason Contractor I may be able to help.
What you want to rent, is a Large Hammer Drill.
Available at most rental places, Home Depot rentals have them.
You get a drill with a SDS bit, that is a special type of shank that allows
drilling and turning at the same time.
It also allows the use of a chisel in the Hammer setting.
Start with a drill, and then switch to a chisel and you will make the proper
size, neat hole in less than a half hour.
Renting a diamond boring bit of 1.75" will cost about the same as a new
Alpha, if you can even find one available for renting.
I also suggest a slight upward angle to the hole you make.
Just take it slow and chisel off small bits at a time.
----- Original Message -----
Sent: Wednesday, August 21, 2002 10:06 PM
Subject: [Towertalk] what drill to use ?
> Hi Guys ! I am bringing a 1.5 inch pvc pipe into my house which carries
> coax from the tower to my rig. I have a brick house, does anyone know
> kind of drill bit I should use or where I can get one ? I would like to
> a clean hole in the brick and I will continue with a wood saw to finish
> hole into the house .. thanks
> John KB2HUK
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