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. Double flute design prevents material from clogging the hole, providing rapid stock removal. Fitted with a non-slip shank to prevent slippage. The TCT tip and double flute mean these drill bits are also suitable for use on brick, concrete, stone, slate, wood and hard plastics. Compatible with a standard 10/13mm chuck. Features & 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• Double flute design provides rapid stock removal• Fitted with a non-slip shank to prevent slippage • Also suitable for use on brick, concrete, stone, slate, wood and hard plastics• Compatible with a standard 10/13mm chuckSpec