Concrete Tungsten Carbide Drill Bit Size: 8,0mm Length/Working Length: 120/80mm High-efficiency Profi Beton drill for percussion and heavy-duty hammer drilling of natural stone, concrete, brick, and for rotary drilling (no hammer) of ceramics and marble. For drilling into Concrete Natural Stone Brickwork (Masonry) Ceramics (Hammer switched off) Marble (Hammer switched off) PGM tested drills:they live up to their reputation! The drills manufactured by Alpen bear the mark of conformity of thePrfgemeinschaft Mauerbohrer e.V. (PGM), which is granted only to selected manufacturers. Drills which bear this mark are guaranteed to conform to strict criteria regarding the diameter of the blanking die, its symmetrical soldering, and the concentricity of the drills. Therefore only PGM tested tools may be used for drilling holes for anchor connections which are liable to approval.
