Rubi Tools Foragres Drill Bit 4 In.
For drilling of all types of ceramic tiles, especially porcelain tiles, and other wall materials such as marble and granite.
Diamond drill bits to be used with electric drill without hammer.
Capable of cutting around 10 holes in porcelain tiles if used with the correct pressure and water cooling
Body made of steel and bit made of electro deposited diamond.
Lateral opening to improve cooling of the drill bit and to allow the elimination of solid waste produced after the drilling of the hole.