1 Pc ceramic tile hole cutters For Porcelain Tile Granite Marble

These diamond drill bits are designed for the drilling of ceramic tiles, especially porcelain tiles, marble and granite.Diameters of these drill bits are 6-12 mm,and they are perfect for installing bathroom accessories or any type of decoration accessory on ceramic surfaces.

Raizi diamond drill bits are made for dry cutting and be used on power drill, You can use it on angle grinder by using the drill adaptor.the average life is 25 holes.

These dry diamond drill bits contain wax inside. This wax melts while using the drill bit and facilitates cooling and the evacuation of drilling remains (if the wax runs out the drill bit can continue working, only the total loss of the diamond indicates the end of the life of the drill bit),and it have a lateral opening which improves the cooling of the drill and facilitates the removal of solid residues after each drilling. Before further drilling we must ensure that the drill bit is clean and free of any obstruction.

• Place the drill at a 45 degree angle.
• Drilling till the hole start to form.
• Bring the drill up into upright position.
• Continue to drill and swaying the machine along a circle.