I found the most amazing little reamer. I didn't know these even existed! I was doing research on beds for my truck build and ran across them on accident. Large holes are hard to drill by hand and I can't get the mag drill in everywhere. All I had to do was drill an 1/4 hole then get the 3/4 inch reamer. Within about 30 seconds I had a 3/4 hole.
I bought an assortment. 9/16, 11/19, and 3/4. They are pricey. The biggest one was like 80 bucks. In my opinion they are worth it. Sometimes holes don't line up right so I always tried to ream it out with a drill bit. Always got caught. Snap your wrist. Bust a bit. No more of that.
The bad thing is they will heat up a drill in a hurry. I can't use it in a cordless Milwaukee drill. They must have a safety built in so they don't burn up. I had to put it in the old Dewalt. That baby was HOT after 1 hole.
This is similar to what I got except with flat spots on the shank, so it won't spin in the drill.
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