grain crosstie crusher companies. Need New Grain Mill Homebrew Talk Beer Wine Mead. jul 17, 2021 living free in the 603. jul 16, 2021. 28. when i was using a drill to power mine, it was a 1/2 cordless hammer drill. it would use a full (18v) battery to crush about 2530 of grain. not sure what the shaft size is on the mill you ordered, that will also determine which drill to use.