There are three tool options to consider when drilling large-diameter holes in thick steel: twist drill bits, hole saws and ... Mag drills can drill holes up to 6" in diameter in thick metal ...

Drilling holes in tile can be tricky, especially if you’re not using drill bits ... 3/16 inch to ½ inch with lengths ranging from 3 inches to 6 inches. Three of the bits are ¼ inch, which ...