Draper 10091 DBCPS Expert Tct Ceramic Drill Bit, 4mm X 70mm

The Draper Ceramic Series are precise drill bits made from alloy steel with a reinforced carbide tip.
The tungsten carbide tip is self-centring and ultra-tough for reliable cutting performance.
Fitted with a non-slip shank to prevent slippage (sizes 6mm and above).
Suitable for drilling ceramics, soft tiles and non-tempered glass.
Designed for low speeds without the need of a cooling agent.
Compatible with a standard 10/13mm chuck.