Oct 01, 2009 · Posted: Tue Sep 29, 2009 4:56 pm Post subject: Re: hammer mill vs a burr mill: Is a burr mill and a roller mill the same thing?Never heard of a burr mill before roller mill has two rollers that in my experience usually just snap the grain in does a courser job than a hammer mill on advantages are with dairy tle,with a rougher feed texture,you .