The Porcelain & tile drill bit is a new generation of carbide drill bits. It has a positive & a negative cut, which makes the drill extremely sharp & allows aggressive drilling. Suitable for all kinds of porcelain, tiles & fine stoneware at low speed: approx. 400
- 600 revolutions per minute. Also very well suited for cordless power drills. There is no centering device & no cooling necessary when using these bits. For drilling holes larger than 5 mm it should be pre-drilled with a 4 mm bit.