Here is an inquiry I received this morning:
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I am trying to find some sources to help us build a wood boring machine that
can drill from 4" up to 10" (rarely larger), mostly our needs call for the
4" ~ 8" diameter range boring up the center of the log lengthwise. Length
of the pole is typically 8' to 12' long. We are trying to find a source for
the machine and drill bits. B&A Manufacturing referred us to you for the
equipment part of our needs. Tree diameter generally calls for needing at
least 4" larger than the diameter of the hole, but usually 6" is better (3"
width of tree leftover all away around the diameter of the hole and the
larger the tree, the larger width of wood needs to remain). So if can
imagine, we may have a 16" diameter tree, 10' long, that calls for a 8"
This is one of the hardest, most dense woods of the world.
Is there a stock machine out there that can do what we are asking, and if so
is that something you can offer? Do you know where we might find one and at
what kind of cost?
Someone had one built that drills it while still leaving the "donut hole"
for lack of a better term still intact so that when it is finally drilled
all the way through, we are left with a wood cylinder in the diameter of the
bit used. Do, if our job calls for a 4" hole, we end up with a wood
cylinder slightly less than 4" in diameter. That is then pulled out of the
inside of the log. We found this to give us the most success in boring out
Please let me know what you can come up with.
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Anyone have any leads for this guy? I can't / won't build a machine of this
caliber but would love to point him in the right direction.
Joe Agro, Jr.
Automatic / Pneumatic Drills: http://www.AutoDrill.com
Multiple Spindle Drills: http://www.Multi-Drill.com