Features Designed for drilling ceramic/porcelain tile, granite, marble and glass Average life between 5 and 10 holes depending on the material Fits standard size 1/2" and 3/8" chuck drills 7/32" - 1/2" diameter: 1,000 RPM max and 1" drilling depth 3/4" - 4-3/4" diameter: 500 RPM max and 11/16" drilling depth For wet use only Details Rubi Tools EASYGRES drill bits are perfect for drilling of stoneware, porcelain tiles, granite, marble and glass. EASYGRES drill bits are perfect for installing bathroom accessories or any type of decoration extra on ceramic surfaces and must always be used water-cooled and with the EASYGRES guide, which allows centering and proper cooling, ensuring high accuracy and the best finishes.
