Can a high powered (7amp), corded hammer drill handle tihs?
I have a 7 amp, corded, electric 1/2 Dewalt Hammer Drill.
I made a custom jig to help me tunnel underneath the driveway to put conduit underneath.
I took a 3" diameter piece of pipe that is 6" in length and with a torch/angle grinder I cut 6 large sharp teeth at one end.
On the other end(threaded end) with a combination of bushings/nipples i reduced the 3" down to 1"
Then from the female 1"end of the bushing I attached a 1" Diameter pipe that is 10' long.
Then at the end of the 10' pipe, i welded a piece of 1/2 drill rod (centered) so it will fit in the 1/2 chuck of the drill.
My plan is to tunnel a 3" hole under the driveway which is 10' wide by taking out small amounts at a time, emptying , then repeating.
a) Do you think a drill has enough torque to do this ( Im not plannning on doing this all in one shot, just slow 6" increments)
b) Do you think the 3" steel pipe with teeth will tunnell ok?
Thanks
you will burn it up and remember there is gravel under there. go rent a auger for the day dig a hole big enough for it to lay sideways with the bit and all tape the switch and push with youre feet. thats how the cable company got under my driveway
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