Thank you. I’ve never even seen this type of bit before. Okay so this one here should work for drilling into both concrete tile and porcelain tile?
BGTEC Dry Diamond Drill Bits 2pcs 5/16" with Hex Shank for Granite Marble Porcelain Tile Ceramic https://www.amazon.com/dp/B08CV7CF96/ref=cm_sw_r_cp_api_gl_i_YT4FCS4Z2JT37T63NP6B