CMT Orange Tools Diamond Dry Hole Saw 5 Piece Set
Diamond grit edge hole saws have been specially developed for professionals that need to drill in extremely hard materials where it is increasingly difficult to drill with conventional hole saws. Most common uses are for floor and wall tiles (porcelain, gres, quarry) and hard stones (granite, marble) These are filled with cooling wax, perfect for cooling and lubrication. No water needed.
