The Draper Tile and Glass Series are precise drill bits with a spear-shaped tip designed for drilling tiles, ceramics, marble, glass and mirrors. Made from carbon steel with a professionally ground tungsten carbide tip for a faster cut and longer service life. Compatible with a standard 10/13mm chuck. Features and Benefits • Precise drill bits made from carbon steel • Professionally ground tungsten carbide tip for a faster cut • Designed for drilling tiles, ceramics, marble, glass and mirrors • Compatible with a standard 10/13mm chuck Specifications Drill tip angle: N/A Tip material: TCT Flute: N/A Connection: Round shank Construction: Braised : Contents 8 x Tile and glass drill bits - 3.0 x 55mm, 4.0 x 56mm, 5.0 x 57mm, 6.0 x 65mm, 7.0 x 71mm, 8.0 x 71mm, 9.0 x 78mm, 10 x 78mm