It is difficult to see with your photos, but, it appears that your drill was struck as a "single" flake from a cobble; as the "cortex" of the original stone clearly shows. It also does not appear to have any retouching flakes taken from it. The break appears to be fairly recent, but that is hard to determine from a photo. It has a nice shape, and if the break is ancient, it "might" have been used as a drill, but it is not typical of how a "drill" was manufactured. Please don't be offended, I am not trying to be critical, I just want to give you an honest opinion.
oh none takin triplecreek... i know these pics are not good at all..all i have to use right now is my phone. i will try to get some better pics so maybe you can see a little better. i'v been wondering about this piece for a month now. cuz one side of the shaft is not worked at all but the other side is. It does fit perfect but who knows...im new to all this so any help is would be great and thanks for taking the time to responed. headhunter7