Rubi Easy Gres 5/16 in. Drill Bit Set

Diamond Drill Bits to be used with electric drill without hammer. The quality of the diamond allows the drilling of ceramics, porcelain, granite, marble and glass. Ideal to install bathroom accessories and any type of decorative accessories over ceramic surfaces.

• Ideal for drilling ceramics, porcelain and granite
• Designed to be used with electric drill without using a hammer
• Features an early opening that helps in cooling the bit