This would be my choice too. (Note my addition in Kerry’s reply) It will make the job a lot easier and you won’t destroy your 3/8” drill.
This would be my choice too. (Note my addition in Kerry’s reply) It will make the job a lot easier and you won’t destroy your 3/8” drill.I would use an auger style bit. Your 3/8 drill isn’t going to work. Rent a (Big Azz) right angle drill similar to what plumbers and electricians use, 1/2 inch.