6/8/10mm Triangular Head Concrete Auger Drill Bit

High performance multi-purpose drill this bit is suitable for various materials, without the need for frequent replacement bit; 

Multi purpose grinding special drilling, ensure rapid production processes;

Reduce the main cutting edge in order to realize the accurate centering. The drill body is composed; chrome steel manufacturing, long service life;

No need destruction of wall tiles;

Instead of the electric hammer drills, the essential tools for fine decoration.