Engineered with high-quality electroplated diamond tips, this specialty drill bit provides precise drilling through stoneware, porcelain, granite, marble, and glass. The steel body features a lateral opening to improve cooling and facilitate the removal of solid waste for efficient operation.

• High-quality electroplated diamond tips designed for drilling stoneware, porcelain, granite, marble, and glass
• Steel body construction with a lateral opening for improved cooling and efficient removal of solid waste
• Optimized working speed between 400 and 1000 rpm depending on the material being drilled
• Designed for use with electric drills without hammer function; always use water-cooled for best results
• Provides an average life of 10 holes depending on material density
• Supplied in convenient blister packaging