I always make my own by welding a bit to a piece of drill rod. I did break one one time that I welded. Now I get a buddy who's a pro welder to weld em' up and don't think I could break em' if I tried.Not what you're asking I know but may be your best option.
Quote from: martin9 on January 20, 2021, 06:14:23 PMI always make my own by welding a bit to a piece of drill rod. I did break one one time that I welded. Now I get a buddy who's a pro welder to weld em' up and don't think I could break em' if I tried.Not what you're asking I know but may be your best option.That is sort of what I'm asking as an ALR buddy who is a pro welder making me one up is an ideal outcome.
This should work. 48 inch drill bit. You can get it in size down to 1/4 inch. https://www.drillbitsworld.com/Extra-Length-Drill-Bits-High-Speed-Steel-248.html