Yes it will use them for mine every day
Yes, I use a corded older heavy duty drill & it never fails. There’s power behind those old school tools!
Yes, but, be aware that you will also remove some of the grout between the tiles. I would use a razor blade scraper.
Yes, if the Chuck will close to 1/4".
3/8 is bigger than 1/4 inch the answer is yes it will fit in your 3/8 drill
Anyone all of them depending on how tight small the area is to get into good luck
I would say yes if it will fit in the chuck ?
Yes if you’re careful not to scratch surrounding areas there is grout removing Tools