RUBI 5924 Drygres - Diamond 8MM

The RUBI DRYGRES diamond drill bit is designed for dry drilling in ceramic, porcelain, natural stone, and other materials. With a cutting diameter of 8 mm (5/16 inch) and a maximum operating speed of 14,000 rpm, this drill bit is ideal for creating precise holes in tiles. It features a round shank type and is compatible with grinders and non-percussive power drills when used with an adapter. The average lifespan varies by diameter, with 25 holes for 6-12 mm and up to 60 holes for larger sizes.